terminal alkynes RCCH in ethanolic sodium ethoxide to produce high yields of ethynyl complexes [Au(CCR) L][L = PPh3; R = Me, Et, Ph, or CF3: L = P(C6H4Me-p)3, R = Ph]. When R = H a second reaction leads to formation of [LAuCCAuL][L = PPh3, P(C6H4Me-p)3, or P(C6H4OMe-p)3]. In a similar manner, the cyclopentadienyl complex [Au(C5H5)(PPh3)] can conveniently be made from [AuCl(PPh3)], Na(OEt), and C5H6. The
磷金氯化物[AuCIL]在
乙醇乙醇钠中容易与末端
炔烃RC CH反应,生成高产率的
乙炔基络合物[Au(C CR)L] [L = PPh 3;R = Me,Et,Ph或CF 3:L = P(C 6 H 4 Me- p)3,R = Ph]。当R = H时,第二反应导致形成[
LAuC CAuL] [L = PPh 3,P(C 6 H 4 Me- p)3或P(C 6 H 4 OMe- p)3 ]。
环戊二烯基络合物[Au(C 5 H5)(PPh 3)]可以方便地由[AuCl(PPh 3)],Na(OEt)和C 5 H 6制成。[Au(CCPh)L]的膦与游离膦在溶液中迅速交换。化合物[Au(CCPh)(PPh 3)]和[AuCl P(C 6 H 4 Me- p) 3 }]易于与[AuCl(PPh 3)]和[Au(CCPh)P( C 6 H 4 Me- p) 3 }],该反应也可能涉及膦的交换,但C