in hexane Ar-atmosphere; stirring (25°C, 10 h); distillation off of hexane and HN(SiMe3)2 (vac.), addn. of hexanes, filtration, sublimation off of t-Bu3SiOSiMe3 (40°C, 1E-4 torr), recrystn. (hexanes, -78°C); elem. anal.;
water in THF-d8 (tetrahydrofuran-d8)
degassed solution of Ta-compound was treated with excess of water (77K); warming to 25°C; 15h at 110°C;; (1)H-NMR;
参考文献
Neithamer, David R.; LaPointe, Robert E.; Wheeler, Ralph A.; Richeson, Darrin S.; Duyne, Gregory D. Van; Wolczanski, Peter T.
Journal of the American Chemical Society, 1989 , vol. 111, # 25 p. 9056 - 9072