Tertiary pentyl groups enhance salen titanium catalyst for highly enantioselective trimethylsilylcyanation of aldehydes.
Liang S, Bu XR. Tertiary pentyl groups enhance salen titanium catalyst for highly enantioselective trimethylsilylcyanation of aldehydes. J Org Chem. 2002 Apr 19; 67(8):2702-4.