摘要:
三齿氨基二膦配体[N(o -C 6 H 4 PR 2)2 ] -([R-PNP] -; R = Ph,iPr,Cy)已被制备并表征。H [Ph-PNP],H [ i的去质子PR-PNP]和H [CY-PNP]与Ñ正丁基锂在-35醚溶液℃下制造的锂配合物[PH-PNP]李(THF)2,[我Pr-PNP] Li(solv)(solv = THF,Et 2 O)和[Cy-PNP] Li(solv)(solv = THF,Et 2 O)。[R-PNP] Li(solv)n与NiCl 2(DME)在-35°C的THF中反应生成[R-PNP] NiCl,然后使其与多种格氏试剂反应,得到相应的烃基配合物[R-PNP] NiR'(R = Ph,R'= Me,Et,n- Bu,i- Bu,n- hexyl,CH 2 SiMe 3,Ph; R = iPr,R'= Me,Et,n -Bu; R = Cy,R'=