作者:Jose Giner Planas、Masafumi Hirano、Sanshiro Komiya
DOI:10.1039/a905748j
日期:——
Reactions of [Ru(cod)(cot)] 1 [cod = cycloocta-1,5-diene, cot = cycloocta-1,3,5-triene] with 3-acetyl(or formyl)thiophene and 2-acetyl(or formyl) thiophene in the presence of depe [1,2-bis(diethylphosphino)ethane] lead to completely regioselective 1,2- or 1,5-insertion into the CâS bond giving the new thiaruthenacycles [Ru(SCRCHCRâ²CH)(depe)2] [R = H, Râ² = COMe (2a); R = H, Râ² = CHO (2b); R = COMe, Râ² = H (3a); R = CHO,Râ² = H (3b)], respectively.
[Ru(cod)(cot)] 1 [cod = 环辛烯-1,5-二烯,cot = 环辛烯-1,3,5-三烯] 与 3-乙酰(或甲酰)噻吩和 2-乙酰(或甲酰)噻吩 在存在 depe [1,2-二(乙基膦)乙烷] 的条件下反应,导致完全的区域选择性 1,2-或 1,5-插入到 C–S 键中,生成新的噻嘧啶钌环 [Ru(SCRCHCR′CH)(depe)2] [R = H, R′ = COMe (2a); R = H, R′ = CHO (2b); R = COMe, R′ = H (3a); R = CHO, R′ = H (3b)]。