- THE UNEXPECTED FORMATION AND STRUCTURE OF 4,6-DIMETHYLTHIENO[3,4-C]THIOPHENE-1(3H)-THIONE
[作者:TICE NATHAN C; PEAK SARAH M; PARKIN SEAN,期刊:Heterocycles, 页码:2229-2237 , 文章类型: Article,,卷期:2010年81-10]
- The reaction of 2,5-dimethylthiophene-3,4-dicarboxaldehye (1) with excess Lawesson's Reagent afforded the unexpected 5,5-fused ring thienothione derivative, 4,6-dimethylthieno[3,4-c]thiophene-1(3H)-thione (2), in good yi...
- AN ENANTIO- AND DIASTEREOCONTROLLED SYNTHESIS OF (-)-SALINOSPORAMIDE A
[作者:SATO YOSUKE; FUKUDA HAYATO; TOMIZAWA MASAKI; MASAKI TOMOHITO; SHIBUYA MASATOSHI; KANOH NAOKI; IWABUCHI YOSHIHARU,期刊:Heterocycles, 页码:2239-2246 , 文章类型: Article,,卷期:2010年81-10]
- The enantio- and diastereocontrolled total synthesis of (-)-salinosporamide A, a potent 20S proteasome inhibitor, was accomplished through organocatalytic aldolization, diastereoselective Claisen condensation, a Rh-catal...
- SYNTHESIS OF NAPHTHO[2,3-b]- AND NAPHTHO[1,2-b]-FUSED THIENO[2,3-d][1]BENZOXEPINS AND THIENO[2,3-d][1]-BENZOTHIEPINS
[作者:LANDEK IVANA OZIMEC; PESIC DIJANA; TROJKO RUDOLF; BOGDANOVIC MAJA DEVCIC; MERCEP MLADEN; MESIC MILAN,期刊:Heterocycles, 页码:2269-2290 , 文章类型: Article,,卷期:2010年81-10]
- Synthesis of four novel classes of structurally related fused hetero-pentacyclic compounds, naphtho[2,3-b]thieno[2,3-d][1]benzothiepins (Ia), naphtho[1,2-b]thieno[2,3-d][1]benzothiepins (IIa), naphtho[2,3-b]thieno-[2,3-d...
- REARRANGEMENT OF 2-(2,5-DIOXOPYRROLIDIN-1-YL)GUANIDINE: AN EFFICIENT SYNTHESIS AND STRUCTURE OF 3-(5-AMINO-1H-1,2,4-TRIAZOL-3-YL)PROPANOIC ACID AND DERIVATIVE
[作者:CHERNYSHEV VICTOR M; CHERNYSHEVA ANNA V; STARIKOVA ZOYA A,期刊:Heterocycles, 页码:2291-2311 , 文章类型: Article,,卷期:2010年81-10]
- The reaction between aminoguanidine and succinic acid in water under acid catalysis yields a mixture of guanyl- and digyanylhydrazides of succinic acid, which turns into a poorly separable mixture of 3-(5-amino-1H-1,2,4-...
- OZONOLYSES OF ISOPHORONE AND OF 3-METHYL-2-CYCLOHEXEN-1-ONE AND SUBSEQUENT REACTIONS OF THE RESPECTIVE OZONIDES TO AFFORD DI-, TRI- AND TETRAOZONIDES
[作者:JUNG IN CHAN; SHEIKH SAD ALAM; JON BYONGMUN; LI WEI; GOO BONSUK; JEONG INSOO,期刊:Heterocycles, 页码:2323-2334 , 文章类型: Article,,卷期:2010年81-10]
- Ozonolyses of isophorone (1a) and 3-methyl-2-cyclohexen-1-one (1b) in pentane, followed by treatment of the ozonolyses products with O-methyl-hydroxylamine afforded the ozonides 3,3,5-Trimethyl-6,7,8-trioxabicycle[3.2.1]...
- AN EFFICIENT SYNTHESIS OF NEW THIAZOLE BASED HETEROCYCLES
[作者:MABKHOT YAHIA N; KHEDER NABILA A; FARAG AHMAD M,期刊:Heterocycles, 页码:2369-2376 , 文章类型: Article,,卷期:2010年81-10]
- Synthesis of new aminopyrazole, pyrazolo[3,4-d]-1,2,3-triazine, 1,3,4-thiadiazole, thiophene and 1,2-dihydropyridine derivatives containing thiazole template has been carried out by simple, efficient and good yielding ro...
- NEW PRENYLATED XANTHONE FROM THE BRANCH OF GARCINIA COSTATA
[作者:NUANGNAOWARAT WARRAPHONG; PHUPONG WORRAPONG; INTEREYA KAMOLPHAN; ISAKA MASAHIKO,期刊:Heterocycles, 页码:2377-2384 , 文章类型: Article,,卷期:2010年81-10]
- A new triprenylated xanthone, costatin (1), together with five known xanthones (2-6), was isolated from a branch of Garcinia costata (Guttiferae). The structure was elucidated on the basis of spectroscopic data. All xant...
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