Tris(triorganosilyl)phosphites—New ligands controlling catalytic activity of Pt(0) complex in curing of silicone rubber
作者:Ireneusz Kownacki、Bogdan Marciniec、Karol Szubert、Maciej Kubicki、Magdalena Jankowska、Helmut Steinberger、Sławomir Rubinsztajn
DOI:10.1016/j.apcata.2010.03.041
日期:2010.5.31
Applying novel and efficient method, new tris(triorganosilyl)phosphites were synthesized and further used for the preparation of new well-defined platinum complexes [Pt(DVTMDS)P(OSiR3)3}] (DVTMDS = (H2CCHSiMe2)2O, R3 = Si7O9(iOct)7, iPr3, MePh2, Ph3, (OtBu)3, (OSiMe3)3) which were well characterized by spectroscopic methods. Structures of two platinum(0) complexes, [Ptη4-(H2CCHSiMe2)2O}P(OSiPh3)3}]
应用新颖有效的方法,合成了新的三(三有机甲硅烷基)亚磷酸酯,并进一步用于制备新的明确的铂络合物[Pt(DVTMDS)P(OSiR 3)3 }](DVTMDS =(H 2 C CHSiMe 2)2 O,R 3 = Si 7 O 9(i Oct)7,i Pr 3,MePh 2,Ph 3,(O t Bu)3,(OSiMe 3)3)的光谱学方法已经很好地表征了。两个铂的结构(0)配合物,[铂η 4 - (H 2 c ^ CHSiMe 2)2 ö} P(OSiPh 3)3 }](10)和[铂η 4 - (H 2 C ^ CHSiMe 2)2 ö} P(OSI(O吨卜3)3 }](11)通过X射线分析测定。证明是聚硅氧烷的交联的非常有效的催化剂的新的复合物通过高温下的氢化硅烷化和相对较短的固化时间以及与Pt-Karstedt / DAM(DAM =马来酸二烯丙基酯)催化体系相似的网络形成焓