Reactions of [CpM(CO)3]2 (M = Mo, W) with Ph3SnSR: formation of CpM(CO)3(SnPh3) and CpM(CO)2(κ2-SR) via Sn–S bond cleavage
作者： Md Rafique Al-Mamun , Shishir Ghosh , Shariff E Kabir , Jagodish C Sarker , Graeme Hogarth
DOI: 10.1080/00958972.2015.1033411
关键词: Stereochemistry 、 Chelation 、 Pyrimidine-2-thiolate 、 Medicinal chemistry 、 Direct reaction 、 Chemistry 、 Yield (chemistry) 、 Bond cleavage
摘要: The mixed-metal compounds CpM(CO)3(SnPh3) (1, M = Mo; 2, M = W) are obtained as the only isolable products from reactions of [CpM(CO)3]2 with PhSSnPh3, whereas similar pymSSnPh3 (pymS = pyrimidine-2-thiolate) lead to formation chelate CpM(CO)2(κ2-pymS) (3, 4, M = W). Separate experiments show that precursors CpM(CO)2(κ2-pymS). can also be synthesized in slightly improved yield direct reaction between and Ph3SnH, while becomes negligible when is treated pymSH.
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