A convenient synthesis of 3-alkyl-2,3-dihydro-2,4-dioxo-6-phenyl-, 3-alkyl-2,3-dihydro-4-oxo-6-phenyl-2-thioxo-, and 3-alkyl-2-arylimino-2,3-dihydro-4-oxo-6-phenyl-4<i>H</i>-1,3-thiazines
作者:Sung Hoon Kim、Yong Hoon Ra、Yoon Young Lee、Kyongtae Kim、Joong Hyup Kim
DOI:10.1002/jhet.5570310611
日期:1994.11
the reaction mixture with triethylamine gave 3-alkyl-2,3-dihydro-4-oxo-6-phenyl-2-thioxo- 4, 3-alkyl-2,3-dihydro-2,4-dioxo-6-phenyl-4H-1,3-thiazines 5, respectively in good to excellent yields. Similarly treatment of compounds 3 with N-arylimidoyl dichloride in benzene at room temperature gave 3-alkyl-2-arylimino-2,3-dihydro-4-oxo-6-phenyl-4H-1,3-thiazines 6 in excellent yields. The reactions of compounds
1-烷基氨基-1-烷基硫-3-苯基丙烯-3-硫酮3与硫光气和光气在甲苯中的反应,然后用三乙胺处理反应混合物,得到3-烷基-2,3-二氢-4-氧代- 6-苯基-2-硫代-4-,3-烷基-2,3-二氢-2,4-二氧代-6-苯基-4 H -1,3-噻嗪5分别具有良好至优异的产率。类似地处理化合物3与Ñ -arylimidoyl在室温下在二氯化苯,得到3-烷基-2-芳基亚氨基-2,3-二氢-4-氧代-6-苯基-4- ħ -1,3-噻嗪6以优良产率。化合物3与草酰氯在甲苯中的反应也得到5 丰产。