Abstract
Trichlorostannyl complexes Ru(SnCl3)(η5-C9H7)(PPh3)L (1; L = P(OMe)3, P(OEt)3) were prepared by allowing chloro compounds RuCl(η5-C9H7)(PPh3)L to react with SnCl2·2H2O in ethanol. Treatment of compounds 1 with NaBH4 in ethanol yielded the tin trihydride derivatives Ru(SnH3)(η5-C9H7)(PPh3)L (2). The reaction of trichlorostannyl complexes 1 with MgBrMe in diethyl ether afforded the chlorodimethylstannyl derivatives Ru(SnClMe2)(η5-C9H7)(PPh3)L (3), whereas reaction with Li+C≡CPh– in THF yielded the trialkynylstannyl compounds Ru[Sn(C≡CPh)3](η5-C9H7)(PPh3)L (4). Treatment of the trihydridostannyl complexes 2 with the alkyl propiolate HC≡CCOOR led to the trivinylstannyl derivatives Ru[Sn{C(COOR)═CH2}3](η5-C9H7)(PPh3)L (5, 6; R = Me, Et). However, the reaction of [Ru]–SnH3 (2) with the propargylic alcohol HC≡CCPh2OH yielded the alkene H2C═C(H)CPh2OH and the hydride RuH(η5-C9H7)(PPh3)L (7). Treatment of tin trihydride complexes 2 with H2O led to the trihydroxostannyl derivatives Ru[Sn(OH)3](η5-C9H7)(PPh3)L (8). ...
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