Synthesis of cis-[Pt(CCr)<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>] and trans-[PtCl(CCR)(PPh<sub>3</sub>)<sub>2</sub>] complexes. Crystal and molecular structures of cis-[Pt{CCC(OH)Me<sub>2</sub>}<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>]·H<sub>2</sub>O, trans-[PtCl{CCC(OH)Me<sub>2</sub>}(PPh<sub>3</sub>)<sub>2</sub>]·0.5PhMe, and trans-[PtCl{CCC(OH)MeEt}(PPh<sub>3</sub>)<sub>2</sub>]·Me<sub>2</sub>CO. Influence of bases and their concentration on the reactivity of cis-[PtCl<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>]
作者:Anita Furlani、Silvia Licoccia、Maria V. Russo、Angiola Chiesi Villa、Carlo Guastini
DOI:10.1039/dt9840002197
日期:——
Crystallographic details: cis-[PtCCC(OH)Me2}2(PPh3)2]·H2O, monoclinic, space group P21/c, with a= 15.473(5), b= 21.725(6), c= 13.439(4)Å, β= 113.95(3)°, and Z= 4; R= 0.052 for 3 110 observed reflections; trans-[PtClCCC(OH)Me2}(PPh3)2]·0.5PhMe, triclinic, space group P, with a= 11.695(3), b= 19.690(6), c= 9.214(2)Å, α= 101.88(3), β= 104.26(3), γ= 85.55(3)°, and Z= 2; R= 0.053 for 3 961 observed reflections;
络合物顺- [PT(C CR)2(PPH 3)2 ] [R = C(OH)Me 2,C(OH)相遇,CH(OH)的pH值,或PH]可以从获得的顺式- [氯铂酸2(PPh 3)2 ]和HC CR在30%氨水溶液中作为溶剂。配合物的反式- [氯铂酸(C CR)(PPH 3)2 ] [R = CH 2 OH,CH(OH)Me,C(OH)Me 2,C(OH)满足,C 6 ħ 10 OH,或CH 2 NEt 2通过使用氯仿(或二氯甲烷)-二乙胺作为溶剂获得。没有观察到炔醇的脱水反应。顺式-[Pt C CC(OH)Me 2 } 2(PPh 3)2 ]·H 2 O,反式-[PtCl C CC(OH)Me 2 }(PPh 3)2 ]·的X射线分析0.5PhMe和反式[[PtCl C CC(OH)MeEt}(PPh 3)2 ]·Me 2 CO揭示了,顺式配合物中存在水分子,该水分子与两个分子形成两个强