3,4-Dihydro-2H-1,3,5-thiadiazines substituted at the 3 and 6 positions were synthesized by treatment of N-substituted N,N-bis(1H-1,2,3-benzotriazol-1-ylmethyl)-amines with thioamides and zinc bromide in dry CH2Cl2 at room temperature for 48-60 h in 48-80% yields.
Synthesis of 3,4-Dihydro-2<i>H</i>-1,3,5-thiadiazines
作者:Alan R. Katritzky、Anatoliy V. Vakulenko、Yong-Jiang Xu、Peter J. Steel
DOI:10.1021/jo020033s
日期:2002.7.1
3,4-Dihydro-2H-1,3,5-thiadiazines substituted at the 3 and 6 positions were synthesized by treatment of N-substituted N,N-bis(1H-1,2,3-benzotriazol-1-ylmethyl)-amines with thioamides and zinc bromide in dry CH2Cl2 at room temperature for 48-60 h in 48-80% yields.