作者:Toshiro Harada、Yoshinao Tamaru、Zen-ichi Yoshida
DOI:10.1246/cl.1979.1353
日期:1979.11.5
A new method converting thioamides to the synthetically useful precursor, 2-substituted dihydro-1,3-oxazine, is described, in which the corresponding S-methyl thiouronium salts are refluxed with 4-amino-4-methyl-2-pentanol in tBuOH or CH2Cl2 to give the products in high yields.