ADDITION-REACTION OF PHENYL ISOCYANATE AND PHENYL ISOTHIOCYANATE TO PARTIALLY CYCLIC 1,3-DIAZA-1,3-BUTADIENES - SYNTHESIS OF ANNULATED 1,3,5-TRIAZINE-2,4(1H,3H)-DIONES AND 1,3,5-TRIAZINE-2,4(1H,3H)-DITHIONES

被引:4
作者
ABDELRAHMAN, MA
机构
[1] Department of Chemistry, Faculty of Science, Sohag University, Sohag
关键词
D O I
10.1246/bcsj.66.510
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Annulated 1,3,5-triazine-2,4(1H,3H)-diones and -2,4(1H,3H)-dithiones (8 and 9) are synthesized by a 4pi+2pi cyclodimerization of heterocyclic heterocurnulenes (6 and 7). These heterocumulenes are generated from partially cyclic 1,3-diaza-1,3-butadienes (1a-c) by means of a 2pi+2pi cycloaddition reaction with phenyl isocyanate or phenyl isothiocyanate and followed by dissociation of the resulting cycloadducts (1,3-diazetidinones (3) and 1,3-diazetidithiones (4)).
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页码:510 / 512
页数:3
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