Synthesis of 2-substituted-benzothiazoles by palladium-catalyzed intramolecular cyclization of o-bromophenylthioureas and o-bromophenylthioamides

被引：188

作者：

Benedí, C

Bravo, F

Uriz, P

Fernández, E

Claver, C

Castillón, S

机构：

[1] Univ Rovira & Virgili, Dept Quim Anal & Quim Organ, Tarragona 43005, Spain

[2] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, Tarragona 43005, Spain

来源：

TETRAHEDRON LETTERS | 2003年 / 44卷 / 32期

关键词：

D O I：

10.1016/S0040-4039(03)01469-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

2-Amino-, and 2-alkyl-benzothiazoles have been efficiently prepared by palladium catalyzed cyclization of o-bromophenylthioureas and o-bromophenylthiamides. Results were best with the Pd-2(dba)(3)/monophosphine catalytic system. (C) 2003 Elsevier Ltd. All rights reserved.

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页码：6073 / 6077

页数：5

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