Steroids—CXX synthesis of halogenated steroid hormones
作者:A. Bowers、L. Cuéllar Ibáñez、H.J. Ringold
DOI:10.1016/0040-4020(59)80061-2
日期:1959.1
The conformational and electronic factors involved in the fission of steroid 5α,6α-epoxides with boron trifluoride-etherate are discussed with particular reference to C-3-keto-5α,6α-epoxides and their cycloethylene-dioxy derivatives.
Kinetics of Electrophilic Fluorination of Steroids and Epimerisation of Fluorosteroids
作者:Neshat Rozatian、Antal Harsanyi、Ben J. Murray、Alexander S. Hampton、Emily J. Chin、Alexander S. Cook、David R. W. Hodgson、Graham Sandford
DOI:10.1002/chem.202001120
日期:2020.9.16
synthesised by electrophilic fluorination, form a significant proportion of marketed pharmaceuticals. To gain quantitative information on fluorination at the 6‐position of steroids, kinetics studies were conducted on enol ester derivatives of progesterone, testosterone, cholestenone and hydrocortisone with a series of electrophilic N−F reagents. The stereoselectivities of fluorination reactions of progesterone