Efficient synthesis of thiazoloquinazolinone derivatives

被引:54
作者
Alexandre, FR
Berecibar, A
Wrigglesworth, R
Besson, T
机构
[1] Univ Rochelle, UFR Sci Fondamentales & Sci Ingenieur, Grp Chim Organ, Lab Genie Prot & Cellulaire,EA3169, F-17042 La Rochelle 1, France
[2] PFIZER, Global Res & Dev, Fresnes Labs, F-94265 Fresnes, France
关键词
thiazoloquinazolinones; quinazolines; 4,5-dichloro-1,2,3-dithiazolium chloride; microwave-assisted chemistry;
D O I
10.1016/S0040-4039(03)01026-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An original route to the rare 8H-thiazolo[5,4-f]quinazolin-9-one 1 and the novel 7H-thiazolo[4,5-h]quinazolin-6-one 2 is described. Access to the regioisomers was realized by fusion of a thiazole and a quinazoline ring via Appel's salt chemistry. Thermal reactions were carried Out using a focused microwave reactor. reducing the overall time of the multi-step synthesis. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:4455 / 4458
页数:4
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