]- (5a, R = R‘ = SiMe3; 5b, RC6H5, R‘ = H). In contrast, the reaction of the diimine complexes [(ArNC(R)C(R)NAr)Pd(CH3)(NCCH3)]+[BAr‘4]- (1−3) (Ar = 2,6-(CH3)2C6H3, 2,6-(i-Pr)2C6H3; R = H, CH3, 1/2BIAN) with HC⋮CR‘ (R‘ = H, t-Bu) yielded the alkyne insertion products [(ArNC(R)C(R)NAr)Pd(CHC(R)CH3)(NCCH3)]+[BAr‘4]- (3) while the reaction of 1-hexyne with 1a yielded a mixture of the 2,1- and 1,2-insertion
[(苯)的Pd(CH 3)(OET 2)] + [巴' 4 ] - (苯= 1,10
菲咯啉中,Ar'= 3,5-(CF 3)2 C ^ 6 ħ 3)反应以RC⋮ CR '以形成η 2种-alkyne配合物[(苯)的Pd(CH 3)(η 2 -RC⋮CR '] + [巴' 4 ] - (5A,R = R'=森达3 ;图5b,R ç 6 H 5,R'= H)。相反,二
亚胺配合物的反应[(ArN C(R)C(R)NAr)Pd(
CH3)(NCCH 3)] + [巴” 4 ] - (1 - 3)(Ar为2,6-(CH 3)2 C ^ 6 ħ 3,2,6-(我-Pr)2 C ^ 6 ħ 3 ; R = H,CH 3,1 / 2边)与HC⋮CR '(R'= H,吨-Bu),得到炔插入产品[(ARN C R()C(R)NAR的Pd(CH)ç (R)CH 3)(NCCH 3)] + [巴” 4 ] -(3)
1-己炔与1a反应生成2