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Table of ContentsContributions of professor Masatomo Hamana in heterocyclic chemistry : research life of a scientist in heteroaromatic N-oxide chemistry Asymmetric synthesis of piperidine alkaloids utilizing diastereoselective reaction of 1,3-oxazolidine with Grignard reagents Synthesis of 5-arylthio-3-methyl-L-histidine, a model for the starfish alkaloid imbricatine A synthetic model approach to the sugar moiety of bleomycin Spin-spin coupling between fluorine and aromatic protons of 3-fluoroquinoline : dependence on the electronic structure of the ring nitrogen Regioselective allylation to a tetrahydroisoquinoline A synthesis of 5-silacyclotriveratrylenes Structure and redox reactions of tricyclic pyridinium N-imines Synthesis of trifluoromethylated tetrahydropyrans from ene reaction products of trifluoromethyl ketones : synthesis of fluorine analogs of a sesquiterpene On the synthesis of N-substituted 5-oxoperhydro-1,4-oxazepines from N-substituted 1,2-aminoethanols : a dichotomy of reaction pathways Enantiocontrolled synthesis of the C₉-₂₇ segment of milbemycin K from (R)- and (S)-epichlorohydrins Chelation controlled aldol reaction of tetronic acid dianion with ketones Total synthesis of (+)-menthofuran A simple synthesis of a phytoalexin, methoxybrassinin Preparation of cyclic α-hydrazino acids through N-acylhydrazonium intermediates Synthesis of 1-fluoro-1-demethylmesoporphyrin-Ⅸ Anionic hetero[3,3]rearrangement : N-acyl-N'-enylhydrazines to pyrrolidinones Diastereoselective cyclization of ω-formylated allylsilanes into bicyclic α-methylene-γ-butyrolactones : a facile synthesis of p-menthanolides Structures of sterically encumbered 1,9-bis(arylthio)dibenzothiophenes and detection of their dithia dications in concentrated sulfuric acid by ¹H-nmr Use of 1,3-dioxin-4-ones and their related compounds in synthesis part 35 : synthesis of optically pure fluoromalonamic acids by means of asymmetric fluorination of chiral 1,3-oxazine-4,6-diones Reactions of hexachlorocyclotriphosphazene with N-methyl-1,3-diaminopropane : isolation of spirocyclic and not intermolecular bridged products Synthesis of iridolactones isolated from silver vine Synthesis of Na-methoxyindole and Na-methoxyoxindole alkaloids having yohimbine skeleton A tandem Cope-Claisen rearrangement reaction of meso-3,3'-diphenylleucoisoindigos New condensing reagents : thiophosphorus compounds activated by 2-oxazolone and 2-benzoxazolinone heterocycles Synthesis of sulfonamido oligo-N-methylpyrrolecarboxamide derivatives and their photochemical DNA cleaving activities A new approach to 5-arylpyrrolidin-2-ones via 5-endo-trig radical cyclization of α-halo- or α-thio-substituted N-(1-arylethenyl)acetamides Synthesis of (6S,8R)-6-(1'-hydroxyethyl)carbapenem, a thienamycin type Synthesis of 7-substituted indolo[3,2-b]quinoline derivatives Short-step synthesis of rutecarpine and tryptanthrin via intramolecular aza-Wittig reaction A novel synthesis of 4-methyl-, 4-oxo-, and 4-amino-3-(3-methyl-5-isoxazolyl)pyridine derivatives via N-silyl-1-aza-allyl-anion Synthetic approaches to phorbols via the intramolecular nitrile oxide cycloaddition : stereocontrol of the B-C ring junction 1-(2-oxazolinyl)indoles Reaction of aromatic N-oxides with dipolarophiles ⅩⅦ : cycloaddition behavior of allenes toward pyridine N-oxides and formation of azetidine-type cycloadduct Oxidation of amines with 4a-FIEt-OOH : an enzyme model of FAD-containing monooxygenase A synthesis of a new type heterocyclic compound using Diels-Alder cycloaddition of 2-methylene-1,2-dihydropyridines Triazolopyridines part 12 : a new synthesis of indolizines from triazolopyridinium ylides Preparation of heteroarenecarbonitriles by reaction of heteroarene N-oxides with trimethylsilyl cyanide in the presence of DBU A synthetic approach to (±)-O-methylclavizepine : an alternative synthesis of C-norcularine Two complex flavonoids in the farinose exudate of Pityrogramma calomelanos Synthesis of 2-indolyl-1,4-benzodiazepin-5-ones utilizing a Mannich type cyclization Palladium-catalyzed cross-coupling reactions of chloropyrazines with aromatic heterocycles Formation of 2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-ones from ethyl 3-anilino-2-(2-tert-butyl-2H-tetrazol-5-yl)acrylates Syntheses and absolute configurations of optically pure 4-isopropyl-N-tosyl-1,3-oxazolidines Synthesis of a naturally occurring benzocyclobutene, muscomosin Thermal reaction of benzimidazolium N-allylides Synthesis and neuroexcitatory activity of some acromelic acid analogs Synthesis and biological evaluation of functionalized epoxides structurally related to the carbapenem family Elucidation of the reaction path for the nitrosation of 2- and 4-methylpyridine 1-oxides with alkyl nitrite in liquid ammonia Tetracyanoquinodimethanes fused with 1,2,5-thiadiazole and pyrazine units Synthesis of (±)-tetrahydropseudodistomin, a hydrogenation product of antineoplastic alkaloids, pseudodistomins A and B Syntheses of (+)- and (-)-mellein utilizing an annelation reaction of isoxazoles with dimethyl 3-oxoglutarate Reaction of dehydroellagitannins with L-cysteine methyl ester Ozonolysis of 1-substituted imidazoles A synthesis and an X-ray analysis of 2'-C-, 3'-C- and 5'-C-methylsangivamycins Mass spectrometry of prenylated flavonoids Development of modified chiral dioxolane bisphosphine ligands and their use in efficient asymmetric synthesis of naturally occurring lignans Oligomeric hydrolyzable tannins : their ¹H nmr spectra and partial degradation
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Table of ContentsZinc mediated reduction of bromohydrins in azetidinones and penems : application to the synthesis of FCE 22891 Reaction of 7-substituted 4-hydroxyl-1,4-benzoxazine-3-ones in strongly acidic media Decomposition of 7-nitro-2,4-dihydroxy-1,4-benzoxazin-3-one in aqueous solutions Oxidative cyclization of trifluoroacetylated aldehyde dimethylhydrazones : a new convenient synthesis of trifluoromethylated oxadiazine derivatives A facile synthesis of 2,4-oxazolidinediones Preparation of tetrahydroisoquinolines from N-(tert-butoxycarbonyl)-2-methylbenzylamines A total synthesis of (-)-physostigmine Proximity effect in the hydrogen-deuterium exchange and deethoxycarbonylation of peri-substituted naphthalene with the 1,2,3-triazole ring Synthesis and properties of pyrimido[4,5-b][1,4]oxazin-7-one derivatives : a novel heterocyclic system The pyrrolizidine alkaloids from Senecio racemosus Synthesis of (Z)-3-butylidene-6,7-dihydroxyphthalide Pyrazoles and isoxazoles derived from 2-hydroxyaryl phenylethynyl ketones : synthesis and spectrophotometric evaluation of their potential applicability as sunscreens Diastereoselectivity in the reaction of 3-methyl-5-(methyl- or phenyl)isoxazol-4-yllithium and α,α'-dimethylcycloalkanones Heterocyclic rearrangements : the rearrangement of 3-aroylaminoisoxazoles into 2-aroylaminooxazoles A novel synthesis of azaacridones using 1,4-dipolar aryne cycloadditions Use of mercaptoacetaldehyde dimer in a novel thienoannelation sequence : a short synthesis of ticlopidine New acridone alkaloids from Citrus yuko Synthesis of ring-enlarged cyclobut-A and cyclobut-G analogues as HIV inhibitors : part 4 Tangutisine, a new diterpenoid alkaloid from Aconitum tanguticum (maxim.) Stapf, W. T. Wang Selective functionalization of 2,2'-bithiophenes Synthesis of 2,5-disubstituted 3-(4-chlorobenzoyl)-2,3-dihydro-2-methyl-1,3,4-thiadiazole derivatives Metabolic formation and chemical synthesis of 5,6-cyclopenteno-4,11-dihydro-3H-pyrido[3,2-a]carbazol-3-one, the major intestinal bacterial metabolite of the pyrolysis mutagen 5,6-cyclopenteno-11H-pyrido[3,2-a]carbazole (Lys-P-1)
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Table of ContentsA new method for selective protection of two hydroxyl groups in carbohydrates, glycals in particular The practical method for the preparation of iridoid aglycons from their glycosides Nitrogen bridgehead compounds part 82 : an unexpected ring transformation of 6-hydrazono-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylates Cimiciduphytine : a new dimeric indole alkaloid from Haplophyton cimicidum (Apocynaceae) Diels-Alder reactions under molecular sieve catalysis : enhancement of reactivity in cyclization reactions with N-benzoylindole-2,3-quinodimethane to functionalized carbazoles Secondary metabolites by chemical screening 14 : transformation of elaiophylin in subunits of naturally occurring acid ionophores : synthesis, anticoccidial activity and studies concerning the ionophoric properties Total synthesis of euryfuran via two sequential furan ring transfer reaction An efficient and convenient route to spiro-fused γ-butyro- and δ-valerolactones Thermal and photochemical investigation of the reaction of indole-2,3-dione with pyrazolone Synthesis of chiral indolizines as bicyclic ergoline analogues Synthesis and beta-lactamase inhibitory activity of 2,2-bis(monosubstituted) methylpenicillin sulfones Heterocyclization reactions of chlorosulfonyl isocyanate with ethyl 3-oxo-2-(arylhydrazono)butanoates Stereoselectivity in the preparation of indolo[2,3-a]quinolizidine Nb-metho-salts An unusual condensation of pyrimidinones : synthesis of bipyrimidinones and bipyrimidinylmethane Heterocyclic rearrangements : a semiempirical study of a degenerate rearrangement in the 1,2,4-oxadiazole series A novel dithiophthalide synthesis Retro-Diels-Alder fragmentation of coumaronochromones and complete assignments of ¹³C nmr data for lupinalbin A and ayamenin B Oxidative nitration and bromination of berbin-8-one Reactions of 3-substituted quinoline 1-oxides with acylating agents A facile synthesis of (S)-O-benzylglycidol Some aspects of the chemistry and biological activity of artemisinin and related antimalarials
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Table of ContentsPalladium catalyzed reactions of unsaturated carbohydrates : a route to C-glycosides The synthesis of chiral allylsilanes, spiroketals and dioxaspiro-compounds Synthetic studies on Podophyllum lignans : tributyltin hydride-induced radical cyclization and intramolecular Heck reaction of α-benzylidene-β-(o-bromobenzyl)-γ-lactones Reductive photocyclization of α-methylthio- and α-arylthioenamides Three new Diels-Alder type adducts from the roots of Sorocea bonplandii Baillon Studies on aconitum species ⅩⅣ : deoxygenation of pseudokobusine to kobusine A new and efficient synthesis of 4-arylimidazolidin-2-ones New synthetic derivatives of aconitine, delphonine and N-deacetyllappaconitine Triethylamine, ethanol : mediated disciplined reactions of S-benzylisothiouronium chloride with unsaturated 2-oxazolin-5-ones : synthesis of (Z)-2-amino-4-arylmethylene-2-imidazolin-5-ones, 5-benzoylamino-2-benzylthio-6-oxo-4,4-spirocyclohexyl-1,4,5,6-tetrahydropyrimidine, and their structure An intramolecular 1,3-dipolar cycloaddition approach to 5,6,7,8-tetrahydro-4-ethoxy-6-hydroxymethyl-2-pivaloylamino-5-deazapteridin-5(8H)-one, a potentially useful intermediate to 5-deaza- and 5,10-dideaza-5,6,7,8-tetrahydrofolic acid analogs Synthetic studies on indole alkaloids Ⅳ : studies of N-phenylsulfonyl-2-methylindoles on intramolecular cyclizations A convenient synthesis of adenosine 3',5'-cyclic phosphate (cAMP) benzyl and methyl triesters Components of the root bark of Morus insignis Bur. 2 : structures of four new isoprenylated xanthones, morusignins E, F, G, and H Isolation of dihydroavicine and rhetsinine from Zanthoxylum budrunga : the revision of ¹H and ¹³C nmr spectral assignments for sanguinarine Acid catalyzed photoreaction of 5-chloro-1,3-dimethyluracil with substituted benzenes A new synthesis of N-tosylindole from Aniline via ortho-substituted N-tosylanilides Synthesis of 4-(tributylstannyl)pyridazines by inverse electron-demand Diels-Alder reaction of 1,2,4,5-tetrazines with tributylstannylacetylenes Marine, nitrogen-containing heterocyclic natural products : structures and syntheses of compounds containing indole units
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Table of Contents5-bromomethyl-2-iminotetrahydrofuran hydrobromide : a useful cyclic imidate in the synthesis of benzazole-fused heterocycles Photochemical reactivity of halofuran and halothiophene derivatives with benzimidazole Heterocycles from nitrile imines part Ⅲ : substituent effect on ring-chain tautomerism of 1,2,3,4-tetrahydro-s-tetrazines Synthesis of novel 5-mercapto-s-triazolo[3,4-c]-as-triazino[5,6-b]indoles and their Mannich bases The studies of carbenoid reactions of α-O-allyl- or α-N-allyl-α'-diazopropanone derivatives catalyzed by various metal ions Reactions with coumarins : synthesis of several new annelated pyridine and pyrrolylcoumarin derivatives Synthesis of the alkaloids (±)-deplancheine and flavopereirine Addition reactions of 8-aryliminotropones with carbon disulfide to give thiazolidine-2-thione and 4-thiazoline-2-thione derivatives Acid-base properties of 4-substituted indoles Stereoselective bridging of tetrahydro-1,5-benzodiazepines The natural occurrence and partial synthesis of 1α,4(S),6β,14α,16β-19,20-didehydro-1,6,14,16-tetramethoxy-4-[[[2-(3-methyl-2,5-dioxopyrrolidinyl)benzoyl]oxy]methyl]aconitane-7,8-diol : concerning anhweidelphinine A highly stereoselective synthesis of (±)-normalindine Practical synthesis of 3-amino-5-tert-butylisoxazole from 4,4-dimethyl-3-oxopentanenitrile with hydroxylamine A new synthesis of Precocene Ⅱ and Precocene Ⅲ based on the photo-fries rearrangement of a sesamol ester Stereostructure of (-)-multiflorine N-oxide : a new lupin alkaloid from Lupinus hirsutus Reductive cleavage of isoxazolo[3,4-d]pyridazinones : a synthetic approach to various 4,5-functionalized 3(2H)-pyridazinones 5-hydroxy-1,3-oxazin-6(6H)-ones from 6-aza-1,5-dioxa-spiro[2.4]hept-6-en-4-ones Structure of bisclausarin, a new bicoumarin from Citrus plant Synthesis of 11β-hydroxy erythrina alkaloid, erythrartine, and its O-acetate (erythrascine?) [4+2] cycloaddition reaction of N-ethoxycarbonyl-2-[(1-trimethylsiloxy)vinyl]pyrrole with acetylenic carboxylates Synthesis of saframycins Ⅶ : the synthesis of novel renieramycin congeners
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Table of ContentsFischer reaction of 1-acetyl-3-oxo-2,3-dihydroindole and 1-(p-toluenesulfonyloxy)-3-oxo-2,3-dihydroindole Radical carbamoylation of 1,2,3-triazinium 2-dicyanomethylides Synthesis of dehydrodeoxypodophyllotoxin cyclic ether via allene intramolecular cycloaddition strategy and evaluation of its cytotoxicity A novel approach to quaternary substituted chiral cyclobutanes : a formal enantioselective total synthesis of 1,3-dioxole pheromone, (-)-frontalin Synthesis of carbocyclic oxetanocin analogues as potential anti-HIV agents : part 3 Ergot alkaloids : the first and five step total syntheses of (-)- and (+)-6,7-secoagroclavines, and the syntheses of (-)- and (+)-6-nor-6-propyl-6,7-secoagroclavines ((-)- and (+)-KSU 1415) Asymmetric synthesis ⅩⅩⅤ : diastereoselective synthesis of indolizidinediol alkaloid analogs A facile synthesis of dl-sedamine and dl-allosedamine Pyridazine derivatives and related compounds part 5 : pyrazolo[3,4-c]pyridazine : synthesis and some reactions Pyridazine derivatives and related compounds part 6 : synthesis of triazolo[3',4':5,1]pyrazolo[3,4-c]pyridazine, pyrido[2',1':3,2][1,2,4]triazolo[5',1':5,1]pyrazolo[3,4-c]pyridazine and naphtho[2,1-e]pyridazino[3',4':3,4]pyrazolo[5,1-c][1,2,4]triazine derivatives Synthesis of 1,3-diaryl-1,3-dihydro-4,5-dioxo-2-thioxofuro[2,3-d]pyrimidines and 1,3-diaryl-1,3-dihydro-2-thioxo-5-(thiazol-4-yl)-2H,5H-pyrimidine-4,6-diones Regiochemical study in the Diels-Alder reaction of 2-azaanthraquinon-3-ones First synthesis of (+)-septorine Reactions of cyclohexyl and aryl pyrazinyl sulfoxides with trifluoroacetic anhydride Cobalt-mediated alkylation of siloxy furans Stereoselective syntheses of spicy components in peppers Electron impact mass spectra of some 2'-,3'- and 4'-substituted thiophene-2- and 3-carboxanilides Structure and stereochemistry of divaricine, a new bisindole alkaloid from Strychnos divaricans Ducke. Preparation of a series of oligo[thiophene-2,5-diyl]vinylenes Fused imidazophenothiazines : studies on the Bernthsen thionation of 1-methyl-6-(p-tolylamino)benzimidazole and 2-methyl-1-phenylbenzimidazole Effective synthesis of 7-benzylidenefuro[3,4-b]pyridin-5-one
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Table of ContentsPhotoinduced fragmentation of pyrido[2,1-f]-as-triazinium-4-olate and its benzologue : a contribution to the mechanism of curtius rearrangement A new entry to [2.3.4]cyclazines Novel synthesis of thianonanam using sulfur dichloride as a sulfur transfer reagent Synthetic applications of 2-(1,3-dithian-2-yl)indoles Ⅲ : a new route to tetracyclic [ABCD] intermediates in the synthesis of Aspidosperma indole alkaloids On the reaction of 2,2,6,6-tetramethyl-3,5-heptanedione ("dipivaloylmethane") with oxalyl chloride A convenient preparation of sterically crowded 1,9-disubstituted dibenzothiophenes and 3,3'-disubstituted diaryl sulfides Role of heterocycles on the stereoselective reactions of α-sulfinyl carbanions using optically active 2-pyridylmethyl p-tolyl and 2-(N-methylimidazolyl)methyl p-tolyl sulfoxides with aldehydes Regio- and chemoselective alkylation of 2,3-dialkylindoles : a convenient preparation of 2,3,3-trialkyl-3H-indoles Synthesis of two new thiazole-containing oligopeptides as potential DNA minor groove binding analogs of Netropsin Cyclotriphosphazene linked tetraphenylporphyrins Preparation of crown ethers with isoxazolyl-lariats : homologation of isoxazole aldehydes, and a critical comparison of lariat functional moieties for lanthanide extraction Reissert compound studies ⅬⅩⅢ : preparation of Reissert compounds using diethylaluminum cyanide Synthesis of N-alkyl-N'-(4-diazo-5-pyrazolyl)ureas and their conversion into pyrazolo[3,4-d][1,2,3]triazole and pyrazolo[3,4-d]oxazole derivatives Efficient alkylation and acylation of pyrazine 1-oxides Reaction of alkyl radicals with γ-pyron derivatives, 2-methoxycarbonylchromone and dimethyl chelidonate Marine, nitrogen-containing heterocyclic natural products : structures and syntheses of compounds containing quinoline and/or isoqiunoline units The role of lone pair interactions in the chemistry of the monosaccharides : stereo-electronic effects in unsaturated monosaccharides
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Table of Contents1,3,2-biphenyldioxaborepin (2,2'-biphenoxyborane) as a new hydroborating agent : directive effects in the hydroboration of the alkenes and alkynes Synthetic studies on aplysiatoxin : intramolecular ester formation from 3-acetoxyfuran derivative via oxidative ring opening reaction Structural determination of the ozonides derived from mono-substituted alkenes Simple syntheses of 1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline and 5-hydroxy-4-nitroindole (synthetic study for indoles having a nitrogen containing functional group at the 4-position) Synthesis of and nucleophilic addition reactions to an 8-ethenyl-1,2,4-triazolo[4,3-a]pyrazine derivative Preparation of substituted, annulated benzimidazoles via benzyne mediated cyclization Synthesis and stereochemical study of (±)-(2R*,11bS*)-9,10-dimethoxy-1,3,4,6,7,11b-hexahydrospiro[benzo[a]quinolizine-2,5'-oxazolidine]-2',4'-dione Alkali metal fluoride promoted generation of nitrile oxides from hydroximoyl chlorides A convenient new synthesis of 17-azasteroids : preparation of some novel N-chloro-17-aza- and N-chloro-17a-aza-17a-homosteroids as potential affinity labels and enzyme inhibitors Easy preparation of indoloquinolizidine enamines Revised structures of albanins D and E, geranylated flavones from Morus alba Sodium dithionite reduction of 1-[2-(3-indolyl)ethyl]pyridinium salts : formation of a 1,2-dihydropyridine derivative via the corresponding 1,4-dihydropyridine derivative Synthesis of (-)-galantinic acid from D-ribonolactone Meldrum's acid in organic synthesis
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Table of ContentsBicyclic ketals : a tandem oxymercuration-solvomercuration protocol Thallium selective 6-methylpyrimidine-2,4(1H,3H)-dione based podands A convenient, one-pot azulene synthesis from 2H-cyclohepta[b]furan-2-ones with vinyl ether and its analogues Ⅲ : orthoesters as a reagent Preparation of 1-hydroxyindole derivatives and a new route to 2-substituted indoles Acid-catalyzed photoreaction of 6-chloro-1,3-dimethyluracil in benzene : synthesis of cyclooctapyrimidine-2,4-dione Bridgehead nitrogen heterocycles part Ⅲ : synthesis of fused heterocycles from 3-(2,4-dichlorophenyl)-5-mercapto-1,2,4-s-triazoles Bridgehead nitrogen heterocycles part Ⅳ : reactions of 3-acyl/aroyl-5-(2,4-dichlorophenyl)-1,3,4-oxadiazol-2(3H)-ones with diamines The synthesis of β-lactones and β-lactams from malonates and malonamides Reaction mechanism and structure of new heterocycles via 1,4-dipolar cycloaddition of imidazo[2,1-b]thiazolium-betaine Reaction of N-benzoyl-4,7-phenanthrolinium salt with trimethyl phosphite and crystal structure of dimethyl N,N'-dibenzoyl-3,4,7,8-tetrahydro-4,7-phenanthroline-3,8-diphosphonate Phosphorus heterocycles part Ⅰ : synthesis of thiadiazaphosphol-2-ones and thiadiazaphosphol-2-thiones Cycloaddition of 1-methoxy-3-trimethylsilyloxybutadiene with halogenated carbonyl compounds Synthesis and E/Z stereoisomerism of 6-carbaldoxime derivatives of pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-dioxide Studies on hindered phenols and analogues 4 : formation of 3,9-dioxabicyclo[4.3.1]decanes and its application for antidiabetic agents Three new phenolic metabolites from Penicillium species Biosynthesis of some curvularin-type metabolites by a hybrid strain ME 0005 derived from Penicillium citreo-viride B. IFO 6200 and 4692 Reaction of chloro derivatives of 10-benzyl- and 10-(4'-fluorobenzyl)phenothiazines with nitriles and amines under aryne-forming conditions Quinolizidines ⅩⅩⅨ : preparation of (-)-dihydrocorynantheol Prototropic tautomerism of heteroaromatic compounds
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Table of ContentsStudies with plant cell cultures of Podophyllum peltatum L. Ⅰ : production of podophyllotoxin, deoxypodophyllotoxin, podophyllotoxone, and 4'-demethylpodophyllotoxin Diastereoselective synthesis of 2,6-disubstituted 3-hydroxy piperidine derivatives by an application of radical cyclization New entry to diastereoselective synthesis of β,γ-disubstituted γ-lactones : application to "self-immolative" enantioselective synthesis of 5-alkylbutenolides Thiyl radical induced cyclization of dienylamides for lactam synthesis The synthesis of new heteropolycyclic quinolone by twofold photocyclization : methoxycarbonylnaphtho[2",1": 2',3'-b]thieno[4',5': 2,3]thieno[5,4-c]quinolin-6(5H)-one Alternative routes to vincamine One step synthesis of bicycloalkapyrazines using dinitriles with low-valent titanium A practical synthesis of isotopically labelled 1-(4-isothiocyanatophenyl)-4-(t-butyl)-2,6,7-trioxabicyclo[2.2.2]octane, a probe for the benzodiazepine receptor coupled chloride ionophore One-pot synthesis of new unsymmetrical β-heteroaryl-o-divinylbenzenes Conversion of 2-iodoaniline into (Z)-3-methylene-2,3-dihydroindole derivatives Reaction of α-bromoacetophenone phenylsulfonylhydrazones : a new synthetic route to 2-arylimidazoisoquinolines and -quinolines 10,11-epoxy-3-methyl-1,2,3,4-tetrahydro-4a,10b-propanobenzo[f]isoquinolin-12-ones : a novel type of opioid analgesics : synthetic approach and structure elucidation Synthesis of fused aminotetrahydrocarbazole compounds Copper (Ⅰ) iodide-promoted cyclization of enaminones : synthesis of 1,2,3,4-tetrahydro-4-oxo-β-carbolines Synthesis of halohydroxypyrazines and their synthetic utility Enaminones in the preparation of 1,2-diazetidin-4-ones Studies on the alkaloids from Aconitum karakolicum Rap. Phthalide dimers from Ligusticum chuangxiong Hort. Transition metal-diene complexes in organic synthesis, part 9 : first total synthesis of carbazomycinal Synthesis of 2',3'-didehydro-2',3'-dideoxynucleosides utilizing coupling reactions between nucleic bases and phenylthio-substituted 2,3-dideoxyribose Regioselective hydride reduction of 2-(N-cyanoimino)thiazolidine derivatives
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