88932-58-5Relevant articles and documents
Cobalt-mediated Synthesis of Highly Crowded Steroids: Unusual Observations of Hindered Rotation of a Trimethylsilyl Group
Butenschoen, Holger,Winkler, Matthias,Vollhardt, K. Peter C.
, p. 388 - 390 (2007/10/02)
(η5-C5H5)Co(CO)2 catalyses the cycloaddition of silylated enediynes to furnish 1-trimethylsilyl and 1,11-bis(trimethylsilylated) A-ring aromatic steroids which exhibit unexpected hindered rotation of the trimethylsilyl groups.