Carbon–Hydrogen Bond Cleavage Reaction in Four-Coordinate (2,6-Dimethylbenzenethiolato)platinum(II) Complexes. Dramatic Acceleration by Thiolato Hydrogen Acceptor
作者:Masafumi Hirano、Shin-ya Tatesawa、Minoru Yabukami、Yoko Ishihara、Yusuke Hara、Nobuyuki Komine、Sanshiro Komiya
DOI:10.1021/om200345h
日期:2011.10.10
(II) complexes PtR(SC6H3Me2-2,6-κ1S)L2 (R = Me, L = PMe3 (1a), PPh3 (1c), L2 = dppe (1d), dppp (1e); R = Et, L = PPh3 (2c); R = CH2CMe3, L = PPh3 (3c)) and Pt(SC6H3Me2-2,6-κ1S)2L2 (L = PMe3 (4a), PEt3 (4b), PPh3 (4c), L2 = dppe (4d), dppp (4e), dppb (4f)) have been prepared. Heating of these compounds results in an internal sp3 C–H bond cleavage reaction, giving the thiaplatinacycle complexes Pt[S
的(2,6- dimethylbenzenethiolato)铂(II)配合物的PTR(SC 6 H ^ 3我2 -2,6-κ 1个小号)L- 2(R = Me中,L = PME 3(1A),PPH 3(1C) ,L 2 = dppe(1d),dppp(1e); R = Et,L = PPh 3(2c); R = CH 2 CMe 3,L = PPh 3(3c))和Pt(SC 6 H 3 Me 2 -2,6-κ 1个小号)2大号2(L = PME 3(图4a),PET 3(图4b),PPH 3(图4c),L 2 = DPPE(图4d),DPPP(4E),DPPB(4F))已经被制备。在内部SP这些化合物的结果加热3 CH键裂反应,给出thiaplatinacycle络合物的Pt [SC 6 H ^ 3(CH 2 -2)(ME-6)-κ 2 S,C ]大号2(L = PME 3(图5a),PET