Author/Authors :
Leonid N. Bochkarev، نويسنده , , Yulia E. Begantsova، نويسنده , , Andrey L. Bochkarev، نويسنده , , Natalia E. Stolyarova، نويسنده , , Irina K. Grigorieva، نويسنده , , Irina P. Malysheva، نويسنده , , Galina V. Basova، نويسنده , , Elena O. Platonova، نويسنده , , Georgii K. Fukin، نويسنده , , Evgenii V. Baranov، نويسنده , , Yurii A. Kurskii، نويسنده , , Gleb A. Abakumov، نويسنده ,
Abstract :
Alkylidene complex of tungsten Me3Ge-CHdouble bond; length as m-dashW(NAr)(OCMe2CF3)2 (1) View the MathML source(Ar=2,6-Pr2iC6H3) has been prepared by the reaction of Me3GeCHdouble bond; length as m-dashCH2 with known alkylidene compound But–CHdouble bond; length as m-dashMo(NAr)(OCMe2CF3)2 at a molar ratio 1:1. Metallacycle [CH(GeMe3)CH(GeMe3)CH2]W(NAr)(OCMe2CF3)2 (2) was isolated from the same reaction when twofold excess of Me3GeCHdouble bond; length as m-dashCH2 was used. The both compounds 1 and 2 were structurally characterized. They were found to have low activity in metathesis of 1-hexene and high activity in ROMP of cyclooctene and norbornene.
Keywords :
Alkylidene complexes , Metallacycle , Tungsten , Germanium , Synthesis , Structure elucidation , Olefin metathesis , Catalytic activity
