- SYNTHESIS OF A NOVEL NON-BENZENOID QUINONE, 3,10-DIHYDRO-2,4-DIMETHYL-7,13-METHANOCYCLOHEPTA[11]-AN NULENE-3,10-DIONE, FROM 8H-7,9-BIS(METHOXYCARBONYL)-5,11-METHANO[11]ANNULENO[c]FURAN-8-ONE
[作者:KURODA SHIGEYASU; MATSUMOTO NAOKO; ZHANG YANMEI; MIYATAKE RYUTA; FUJIWARA YURIE; ODA MITSUNORI,期刊:Heterocycles, 页码:1541-1547 , 文章类型: Article,,卷期:2012年86-2]
- 8H-7,9-Bis(methoxycarbonyl)-5,11-methano[11]anuleno[c]furan-8-one (3) undergoes [4+3] cycloaddition with an oxyallyl species generated from 2,4-dibromo-3-pentanone in the presence of KI and copper, followed by dehydratio...
- PREPARATION OF D-CYCLOSERINE AND C-13-LABELED D-CYCLOSERINE
[作者:THACKER NATHAN C; MOLNARTOTH JUDIT; MISKA JUDY L; BARLETTA RAUL G; TAKACS JAMES M,期刊:Heterocycles, 页码:1575-1582 , 文章类型: Article,,卷期:2012年86-2]
- D-Cycloserine (DCS), a second stage drug for the treatment of tuberculosis, is synthesized in 19.8% overall yield from DL-serine methyl ester. This synthetic route gives both enantiomers of cycloserine via a corrected an...
- BIOMIMETIC SYNTHESIS OF CHROBISIAMONE A FROM CASSIA SIAMEA
[作者:TOMIZAWA YUICHIRO; DEGUCHI JUN; ISHIKAWA TOKIO; HONDA TOSHIO; MORITA HIROSHI,期刊:Heterocycles, 页码:1597-1601 , 文章类型: Article,,卷期:2012年86-2]
- Chrobisiamone A (1), an unique chromone dimer from leaves of Cassia siamea Lam. (Leguminosae), was synthesized from 5-acetonyl-7-hydroxy-2-methylchromone (2) in 4 steps through biomimetic Michael addition.
- NEW INDOLE ALKALOIDS FROM ALSTONIA MACROPHYLLA
[作者:DEGUCHI JUN; SHOJI TOMOKAZU; HIRASAWA YUSUKE; RAHMAN ABDUL; SHIROTA OSAMU; MORITA HIROSHI,期刊:Heterocycles, 页码:1603-1610 , 文章类型: Article,,卷期:2012年86-2]
- Alkaloidal investigations of Alstonia macrophylla led to the isolation of a new 3-alkylpyridinium-indole-2-carboxylate scaffold alkaloid, N(1)-demethyl-7-methoxyikirydinium A (1) and a yohimbane-type alkaloid, 10-methoxy...
- SYNTHESIS OF 1,4-PHOSPHASILACYCLOHEXA-2,5-DIENES BEARING HYDROGEN OR CHLORINE ATOMS ON THE SILICON ATOMS
[作者:MIZUHATA YOSHIYUKI; MORIKAWA SATOSHI; TOKITOH NORIHIRO,期刊:Heterocycles, 页码:1621-1635 , 文章类型: Article,,卷期:2012年86-2]
- 2,3,5,6-Unsubstituted 1,4-phosphasilacyclohexa-2,5-dienes bearing a functional group on the silicon atom were synthesized via the corresponding stannacycle. The structures of newly synthesized silacyclic compounds were d...
- SYNTHESIS AND STABILITY OF 3-HYDROXYANAGRELIDE, A BIOLOGICALLY POTENT METABOLITE OF ANAGRELIDE
[作者:SCOTT RICHARD B; DOWNEY KRISTIN M; HEALY KEITH P; HENDERSON ALISTAIR P; ROBINSON CLAIRE L; CLEGG WILLIAM; HARRINGTON ROSS W; FRANKLIN RICHARD; GOLDING BERNARD T,期刊:Heterocycles, 页码:1637-1646 , 文章类型: Article,,卷期:2012年86-2]
- Metabolism of 6,7-dichloro-1,5-dihydroimidazo[2,1-b]quinazolin-2-one (anagrelide), a drug for treating essential thrombocythemia, gives 6,7-dichloro-3-hydroxy-1,5-dihydroimidazo[2,1-b]quinazolin-2-one (3-hydroxyanagrelid...
- SYNTHESIS OF A LIBRARY OF 1,5,2-DITHIAZEPINE 1,1-DIOXIDES. PART 1: A ONE-POT SULFONYLATION/THIA-MICHAEL PROTOCOL
[作者:ZANG QIN; ZHOU AIHUA; JAVED SALIM; MAITY PRADIP K; KNUDTSON CHRIS A; BI DANSE; HASTINGS JARED J; BASHA FATIMA Z; HANSON PAUL R,期刊:Heterocycles, 页码:1661-1674 , 文章类型: Article,,卷期:2012年86-2]
- A novel one-pot sulfonylation/intramolecular thia-Michael protocol is reported for the synthesis of 1,5,2-dithiazepine 1,1-dioxides. Sulfonylation between cysteine ethyl ester/cysteamine and 2-chloroethanesulfonyl chlori...
- SYNTHESIS OF A LIBRARY OF 1,5,2-DITHIAZEPINE 1,1-DIOXIDES. PART 2: ROUTES TO BICYCLIC SULTAMS
[作者:ZANG QIN; JAVED SALIM; ZHOU AIHUA; KNUDTSON CHRIS A; BI DANSE; BASHA FATIMA Z; HANSON PAUL R,期刊:Heterocycles, 页码:1675-1688 , 文章类型: Article,,卷期:2012年86-2]
- The synthesis of a library of bicyclic sultams incorporating the 1,5,2-dithiazepine 1,1-dioxide moiety is reported. Following scaffold synthesis via a one-pot sulfonylation/intramolecular thia-Michael protocol, several a...
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