A facile access to benzo[d]thiazole-2(3H)-thiones and benzo[d]thiazol-2(3H)-ones has been developed through a temperature-controlled intermolecular [3 + 2] annulation of N,N-disubstituted arylhydrazines with CS2 in the presence of DMSO. This protocol can obviate the prefunctionalization of the starting materials. This direct C–S/C–N bond formation reaction was performed in the absence of any external
通过温度控制的 N,N 分子间 [3 + 2] 环化,开发了一种容易获得苯并[ d ]噻唑-2(3 H )-硫酮和苯并[ d ]噻唑-2(3 H )-酮的方法-在DMSO存在下用CS 2二取代的芳基肼。该协议可以避免起始材料的预功能化。这种直接的 C-S/C-N 键形成反应是在没有任何外部催化剂、过渡金属、碱、配体和氧化剂的情况下进行的,具有高步骤经济性。
Michael and Mannich reactions with benzothiazole-2-thiol
作者:Adel F. Halasa、George E. P. Smith
DOI:10.1021/jo00804a006
日期:1971.3
Anthelmintic quaternary salts. III. Benzothiazolium salts
作者:David L. Garmaise、Gerard Y. Paris、Jacqueline Komlossy、C. H. Chambers、R. C. McCrae
DOI:10.1021/jm00301a008
日期:1969.1
Reed et al., Journal of the Chemical Society, 1939, p. 473,475
作者:Reed et al.
DOI:——
日期:——
KOZAK R. A.; ROZHKOVA N. K.; YUSUPOV M. M., UZB. XIMIYA ZH., UZB. XIM. ZH., 1979, HO 6, 47-50