SYNTHESIS OF NEW HETEROCYCLES WITH DICOORDINATED PHOSPHORUS - 3-SUBSTITUTED THIAZOLO[3,2-D][1,4,2]DIAZAPHOSPHOLE AND ITS 5,6-DIHYDRO AND BENZO DERIVATIVES

被引:0
作者
BANSAL, RK [1 ]
MAHNOT, R [1 ]
SHARMA, DC [1 ]
KARAGHIOSOFF, K [1 ]
机构
[1] UNIV MUNICH,INST ANORGAN CHEM,W-8000 MUNICH 2,GERMANY
来源
SYNTHESIS-STUTTGART | 1992年 / 03期
关键词
D O I
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The 3-substituted 2-aminothiazolium bromides 1-3 undergo cyclocondensation with phosphorus trichloride in acetonitrile in the presence of triethylamine to give the 3-substituted 5,6-dihydrothiazolo[3,2-d][1,4,2]diazaphospholes 4, thiazolo[3,2-d] [1,4,2]diazaphosphole 5 and its benzo derivatives 6. The products are characterized by P-31, H-1 and C-13 NMR spectra. Dimethyl sulfate alkylates 5 at N-7.
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页码:267 / 269
页数:3
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