3,1-BENZOXAZIN-4-ONES, 3,1-BENZOTHIAZIN-4-ONES AND N-ARYLCYANOTHIOFORMAMIDES

被引:31
作者
BESSON, T
EMAYAN, K
REES, CW
机构
关键词
D O I
10.1039/c39950001419
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Anthranilic acid and 4,5-dichloro-1,2,3-dithiazolium chloride 1 give the delicate dithiazoloimino carboxylic acid 8 which on mild thermolysis gives 2-cyano-3,1-benzoxazin-4-one 6 and with triphenylphosphine gives 2-cyano-3,1-benzothiazin-4-one 7, both quantitatively; in general N-aryliminodithiazoles 2 with triphenylphosphine give the corresponding cyanothioformanilides 3, providing a route to these compounds from anilines in two mild steps.
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页码:1419 / 1420
页数:2
相关论文
共 7 条
[1]   SYNTHESIS AND REACTIONS OF 4,5-DICHLORO-1,2,3-DITHIAZOLIUM CHLORIDE [J].
APPEL, R ;
JANSSEN, H ;
SIRAY, M ;
KNOCH, F .
CHEMISCHE BERICHTE-RECUEIL, 1985, 118 (04) :1632-1643
[2]  
ENGLISH RF, 1989, THESIS U LONDON
[3]   DESIGN AND SYNTHESIS OF 4H-3,1-BENZOXAZIN-4-ONES AS POTENT ALTERNATE SUBSTRATE-INHIBITORS OF HUMAN-LEUKOCYTE ELASTASE [J].
KRANTZ, A ;
SPENCER, RW ;
TAM, TF ;
LIAK, TJ ;
COPP, LJ ;
THOMAS, EM ;
RAFFERTY, SP .
JOURNAL OF MEDICINAL CHEMISTRY, 1990, 33 (02) :464-479
[4]   POLYSULFUR-NITROGEN HETEROCYCLIC CHEMISTRY [J].
REES, CW .
JOURNAL OF HETEROCYCLIC CHEMISTRY, 1992, 29 (03) :639-651
[5]  
Sainsbury M, 1984, COMPREHENSIVE HETERO, V3, P995
[7]   4H-3,1-BENZOTHIAZIN-4-ONES FROM DITHICARBOXYLIC ESTERS AND ORTHO-AMINOBENZOIC ACID [J].
THIEL, W .
JOURNAL FUR PRAKTISCHE CHEMIE-CHEMIKER-ZEITUNG, 1992, 334 (01) :92-94