1,4-Addition reactions of lithium enolates to .alpha.,.beta.-unsaturated thioamides
作者:Yoshinao Tamaru、Toshiro Harada、Zenichi Yoshida
DOI:10.1021/ja00499a062
日期:1979.2
HARADA T.; TAMARU Y.; YOSHIDA Z., TETRAHEDRON LETT., 1979, NO 37, 3525-3528
作者:HARADA T.、 TAMARU Y.、 YOSHIDA Z.
DOI:——
日期:——
HARADA TOSHIRO; TAMARU YOSHINAO; YOSHIDA ZEN-ICHI, CHEM. LETT., 1979, NO 11, 1353-1356
作者:HARADA TOSHIRO、 TAMARU YOSHINAO、 YOSHIDA ZEN-ICHI
DOI:——
日期:——
SYNTHESIS OF DIHYDRO-1,3-OXAZINES FROM THIOAMIDES
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.