Domino-Knoevenagel-hetero-Diels-Alder reactions: an efficient one-step synthesis of indole-annulated thiopyranobenzopyran derivatives

被引：37
|
作者：
Majumdar, K. C. [1 ]
Taher, Abu [1 ]
Ray, Krishanu [1 ]
机构：
[1] Univ Kalyani, Dept Chem, Kalyani 741235, W Bengal, India
来源：
TETRAHEDRON LETTERS | 2009年 / 50卷 / 27期
关键词：
Domino-intramolecular; Knoevenagel-hetero-Diels-Alder reactions; O-Allylated salicylaldehydes; 1-Methylindoline-2-thione; One-step synthesis; SEQUENTIAL CLAISEN REARRANGEMENT; ARYL RADICAL CYCLIZATION; REGIOSELECTIVE SYNTHESIS; SIGMATROPIC REARRANGEMENT; FUSED INDOLES; TELEOCIDIN-B; OLIVORETIN-A; ANALOGS; SULFUR; ACID;
D O I：
10.1016/j.tetlet.2009.04.054
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Rapid one-step synthesis of hitherto unreported indole-annulated pentacyclic heterocycles containing oxygen, nitrogen, and sulfur has been described by domino-Knoevenagel-hetero-Diels-Alder reaction. The reaction sequence provides a route to the synthesis of a novel type of polyheterocycles in excellent yields with high stereoselectivity. (c) 2009 Elsevier Ltd. All rights reserved.
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页码：3889 / 3891
页数：3
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