Fj. Feher et al., STRUCTURAL ASSIGNMENT OF A MOLYBDENUM-CONTAINING SILSESQUIOXANE WHICHCATALYZES THE METATHESIS OF OLEFINS - DPFGSE-NOE AND X-RAY-DIFFRACTION STUDIES, Magnetic resonance in chemistry, 35(11), 1997, pp. 730-734
The reaction of [(c-C6H11)(7)Si7O9(OSiMe3)(OTl)(2)] with [Mo(CHCMe2Ph)
(NAr)(OSO2CF3)(2)(dme)] (Ar = 2,6-diisopropylphenyl) affords 4a as the
predominant (>99%) molybdenum-containing product, Assignment of 4a as
the syn-isomer with juxtaposed arylimido and Me3Si groups was made on
the basis of double pulsed held gradient spin echo (DPFGSE) NOE exper
iments and confirmed by a single-crystal x-ray diffraction study. (C)
1997 John Wiley & Sons, Ltd.