N-Heterocyclic Carbene-Catalyzed Domino Ring-Opening/Redox Amidation/Cyclization Reactions of Formylcyclopropane 1,1-Diesters: Direct Construction of a 6−5−6 Tricyclic Hydropyrido[1,2-<i>a</i>]indole Skeleton
作者:Ding Du、Linxia Li、Zhongwen Wang
DOI:10.1021/jo900650h
日期:2009.6.5
Catalyzed by N-heterocycliccarbenes (NHCs), domino ring-opening/redox amidation/cyclization reactions of the readily available formylcyclopropane1,1-diesters with 2-chloro-1H-indole-3-carboaldehydes were reported. This methodology provides an efficient and direct construction of a 6−5−6 tricyclic hydropyrido[1,2-a]indole skeleton, which can be potentially applied for the synthesis of several types
据报道,在N-杂环卡宾(NHC)的催化下,易得的甲酰基环丙烷1,1-二酯与2-氯-1 H-吲哚-3-碳醛的多米诺开环/氧化还原酰胺化/环化反应得到了报道。该方法学提供了一种有效的直接构建6-5-6三环氢吡啶并[1,2- a ]吲哚骨架的方法,可潜在地用于合成几种类型的多环吲哚生物碱。
1H-Pyrimido[4,5-b]indole derivatives, their preparation and therapeutic use
申请人:Froissant Jacques
公开号:US20080125410A1
公开(公告)日:2008-05-29
The invention concerns compounds of general formula (I):
Wherein n, X, Y, R
1
and R
2
are as defined herein. The invention also concerns a method for preparing the compounds and their therapeutic use.
A cascade deprotonation/intramolecular aldol reaction of α-carbonyl sulfonium ylides with 2-mercaptoindole-3-carbaldehydes and 2-mercaptobenzaldehydes to access thieno[2,3-<i>b</i>]indoles and benzothiophenes
The first catalyst-free cascade deprotonation/intramolecular aldol reaction of α-carbonyl sulfoniumylides with 2-mercaptoindole-3-carbaldehydes and 2-mercaptobenzaldehydes was developed. A series of thieno[2,3-b]indoles and benzothiophenes were smoothly obtained in high to excellent yields. The salient features of the protocol include catalyst-free conditions, an environment-friendly solvent, broad
开发了第一个无催化剂的α-羰基sulf烷基化物与2-巯基吲哚-3-甲醛和2-巯基苯甲醛的级联去质子/分子内羟醛反应。可以高收率或优异收率顺利获得一系列噻吩并[2,3- b ]吲哚和苯并噻吩。该方案的显着特征包括无催化剂条件,环境友好的溶剂,广泛的底物范围和大规模合成。
FAAH INHIBITORS
申请人:Sprott Kevin
公开号:US20090118503A1
公开(公告)日:2009-05-07
Indole derivatives that are useful for treating pain, inflammation and other conditions are described. Certain of the compounds are benzyl derivatives and others are benzoyl derivatives. The compounds are substituted at least at the 3 position of the indole.