A New Route for the Convenient Synthesis of 5-Acylamino-3,6-diarylperhydro-2- thioxo-1,3-thiazin-4-ones
作者:L. D. S. Yadav、Sangeeta Sharma
DOI:10.1055/s-1992-26259
日期:——
Michael-type addition of N-aryldithiocarbamic acids 2a-c to 4-arylidene-5-oxazolones 1a-c followed by ring transformation of the resulting Michael adducts 3a-i yielded new 5-acylamino-3,6-diarylperhydro-2-thioxo-1,3-thiazin-4-ones 4a-i in one pot.
将 N-芳基二硫代氨基甲酸 2a-c 与 4-芳基亚甲基-5-恶唑酮 1a-c 进行迈克尔式加成,然后将得到的迈克尔加成物 3a-i 进行环转化,就能在一锅内生成新的 5-酰氨基-3,6-二叔基全氢-2-硫酮-1,3-噻嗪-4-酮 4a-i。