chalcogenols PhChH (Ch = S, Se). It has been shown that the formation of new E–Ch bonds proceeds under elimination of the Cp* substituent. The resulting chalcogenopentelidene complexes, which have been isolated and fully characterised, represent a novel class of phosphinidene complexes which can be synthesised through this general synthetic route.
[Cp*EW(CO) 5 } 2 ] (Cp* = C 5 Me 5 ; 1a : E = P, 1b : E = As)类型的戊叉络合物与二
硫族化合物R 2 Ch 2 (R = Ph、Mes、Tipp;Ch = S、Se、Te;Mes = 2,4,6-三甲基苯基;Tipp = 2,4,6-
三异丙基苯基)和
硫属元素 PhChH(Ch = S、Se)。已经表明,新的 E-Ch 键的形成在 Cp* 取代基的消除下进行。所得到的
硫属元素
戊烯配合物已被分离和充分表征,代表了一类新的可以通过这种一般合成路线合成的膦配合物。