PHOSPHORUS-SUBSTITUTED N,N'-DIMETHYLTHIOUREA COMPOUNDS .3. ASYMMETRICALLY BISPHOSPHORYLATED DERIVATIVES

被引：5

作者：

GRUBER, M ^{[1
]}

SCHMUTZLER, R ^{[1
]}

SCHOMBURG, D ^{[1
]}

机构：

[1] GESELL BIOTECHNOL FORSCH MBH, MASCHERODER WEG 1, W-3300 BRAUNSCHWEIG, GERMANY

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1993年 / 80卷 / 1-4期

关键词：

N; N'-DIMETHYLTHIOUREA; INTRAMOLECULAR P-P INTERACTION; FLUORIDE-ABSTRACTION; X-RAY;

D O I：

10.1080/10426509308036894

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The unsymmetrically bisphosphorylated N,N'-dimethyl thiourea derivatives, 2, 3 and 5 were synthesized and investigated by H-1, C-13, F-19, and P-31 n.m.r. spectroscopy. It is concluded from the n.m.r. investigation that there is a phosphorus-phosphorus through-space interaction in these compounds. A single-crystal X-ray diffraction study conducted on N-(dimethylphosphino)-N'-(diphenylphosphino)-N,N'-dimethyl thiourea, 3 revealed a short non-bonding PP distance of 300 pm. Abstraction of a fluoride ion from Ph2P-N(Me)-C(:S)-N(Me)PF2, 2 with phosphorus pentafluoride has generated an unusual PP-bonded heterocyclic cation as a hexafluorophosphate salt, [Ph2P-N(Me)-C(:S)-N(Me)PF]+ PF6-, 8.

引用

页码：205 / 217

页数：13

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