Br(CH2)nCN (n = 3, 4) with (C6H5)2POCH3 followed by reduction with (C6H5)2SiH2. These phosphine-nitrile ligands form L2PdCl2 complexes which are shown by IR measurements to have trans geometries with the phosphine portions of the ligands coordinated. Reactions of o-BrC6H4CN with CH3(CH2)3Li followed by R2PCl (R = C6H5 or (CH3)2N) have been used to provide good yields of the corresponding R2P-o-C6H4CN products
(C 6 H 5)2 P(CH 2)3 CN和(C 6 H 5)2 P(CH 2)4 CN都是从Br(CH 2)n CN(n = 3,4 )用(C 6 H 5)2 POCH 3还原,然后用(C 6 H 5)2 SiH 2还原。这些膦腈
配体形成L 2 PdCl 2通过IR测量显示的配合物具有与
配体的膦部分配位的反式几何结构。的反应ø -BrC 6 ħ 4 CN与CH 3(CH 2)3李随后用R 2的PCl(R = C 6 H ^ 5或(CH 3)2 N)已被用于提供相应的R的良好的产率2 P- o -C 6 H 4 CN产品。