Patent ID: 7442407
Filing Date: 2008-10-28
Classification: C07F,C23C,Y10T

Abstract:
1. A compound of the formula (I) wherein M stands for Ta or Nb, R R R (b) NH—R (c) O—R (d) —SiR (e) BH (f) an optionally substituted allyl radical, (g) an indenyl radical, (h) optionally substituted benzyl radical, (i) an optionally substituted cyclopentadienyl radical, (j) —NR—NR′R″ (hydrazido(−1), wherein R, R′ and R″ mutually independently have the aforementioned meaning of R, (k) CH (l) pseudohalide, or (m) silylamide —N(SiMe R