- Synthesis of 5-Aryl and 5-Amidocamptothecins
[作者:MERUVA SURESH BABU; RAGHUNADH A; KUMAR N ANIL; KUMAR U K SYAM; DEV R VASU; DUBEY P K,期刊:Journal of Heterocyclic Chemistry, 页码:540-548 , 文章类型: Article,,卷期:2011年48-3]
- A variety of 5-aryl-(20S)-camptothecinderivatives were synthesized by the reaction of 5-hydroxy-(20S)-camptothecin with aromatic hydrocarbons under Friedel-Craft reaction conditions in moderate to good yield as diastereo...
- Synthesis of New Vinylpyridinium Salts
[作者:POSADA PALOMA; BRANA MIGUEL F; VILLARINO ANTONIO L; DOMINGUEZ VICENTE; ORTUNO ISMAEL; MARTINEZ CARMEN,期刊:Journal of Heterocyclic Chemistry, 页码:549-554 , 文章类型: Article,,卷期:2011年48-3]
- This article reports the reactions of salts of 4-ureylmethylpyridinium and 4-ethoxycarbonylaminomethylpyridinium with carbonylic compounds, performed with the aim of obtaining new vinylpyridinium salts. These reactions c...
- Reaction of Cyclic Imidates with alpha,beta-Unsaturated Esters: Synthesis of New Pyrrolo[2,1-b]-1,3-oxazine and Pyrido[2,1-b]-1,3-oxazine Derivatives
[作者:IHARA SHOGO; SOMA TAKASHI; YANO DAIGO; AIKAWA SHUNICHI; YOSHIDA YASUHIKO,期刊:Journal of Heterocyclic Chemistry, 页码:577-581 , 文章类型: Article,,卷期:2011年48-3]
- The cycloaddition reaction of cyclic imidates, 2-benzyl-5,6-dihydro-4H-1,3-oxazines 1a-f, with dimethyl acetylenedicarboxylate 2, trimethyl ethylenetricarboxylate 4, or dimethyl 2-(methoxymethylene) malonate 6 afforded n...
- Synthesis of New 1-Phenylthieno[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one Derivatives
[作者:SONG YANGHEON; SON HOON YOUNG,期刊:Journal of Heterocyclic Chemistry, 页码:597-603 , 文章类型: Article,,卷期:2011年48-3]
- A series of novel 1-phenylthieno[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one derivatives 5 and 6 were synthesized by oxidative cyclization of thienopyrimidinonyl hydrazones using iodobenzene diacetate.
- Facile One-Pot Synthesis of [1,2,4]Triazolo[3,4-b][1,3,4]thiadiazines and 3,7-Dimethyl-4H-[1,2,4]triazino[3,4-b][1,3,4]thiadiazin-6-one Using Heteropolyacid Catalysts
[作者:MOTAMEDI RADINEH; MONFARED AAZAM; NEZAMABADI ZOHRE GHAHGHAI; BAMOHARRAM FATEMEH F,期刊:Journal of Heterocyclic Chemistry, 页码:604-607 , 文章类型: Article,,卷期:2011年48-3]
- [1,2,4]Triazolo[3,4-b][1,3,4] thiadiazines 2a-f and 3,7-dimethyl-4H-[1,2,4] triazino[3,4-b][1,3,4]thiadiazin-6-one 4 were synthesized by one-pot cyclocondensation reaction with alpha-chloroacetonitrile and alpha-haloketo...
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