CYCLIC MESO-IONIC COMPOUNDS .19. REACTION OF 5-ETHOXY-1,2,3,4-TETRAZOLIUM AND 5-ETHOXY-1,2,3,4-THIATRIAZOLIUM TETRAFLUOROBORATES WITH NUCLEOPHILES - PREPARATION OF 1,2,3,4-TETRAZOLIUM AND 1,2,3,4-THIATRIAZOLIUM-5-DICYANOMETHYLIDES

被引：26

作者：

HANLEY, RN ^{[1
]}

OLLIS, WD ^{[1
]}

RAMSDEN, CA ^{[1
]}

SMITH, IS ^{[1
]}

机构：

[1] UNIV SHEFFIELD,DEPT CHEM,SHEFFIELD S3 7HF,S YORKSHIRE,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1979年 / 03期

关键词：

D O I：

10.1039/p19790000744

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reaction of 5-ethoxy-1,2,3,4-tetrazolium (4) and 5-ethoxy-1,2,3,4- thiatriazolium tetrafluoroborates (6) with malononitrile and triethylamine gives the meso-ionic 1,2,3,4-tetrazolium- and 1,2,3,4-thiatriazolium-5- dicyanomethylides (5) and (7) which are new classes of meso-ionic heterocycle. The meso-ionic 1,2,3,4-tetrazoles (8) and (9) form 1,2,3,4-tetrazolium tetrafluoroborates which react with aqueous sodium sulphide giving the formazans (11) and (13).

引用

页码：744 / 746

页数：3

共 17 条

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[J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1978, (06): : 600 - 604
[8] HANLEY RN, 1976, J CHEM SOC CHEM COMM, P307, DOI 10.1039/c39760000307
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