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论文类型： 期刊论文

发表时间： 2014-02-07

发表刊物： ORGANIC LETTERS

收录刊物： PubMed、SCIE、Scopus

卷号： 16

期号： 3

页面范围： 764-767

ISSN号： 1523-7060

摘要： Bronsted acid catalyzed cyclization reactions of 2-amino thiophenols/anilines with beta-diketones under oxidant-, metal-, and radiation-free conditions are described. Various 2-substituted benzothiazoles/benzimidazoles are obtained in satisfactory to excellent yields. Different groups such as methyl, chloro, nitro, and methoxy linked on benzene rings were tolerated under the optimized reaction conditions.