title: D-homo-steroids. Part V. A study of the mechanism of d-Homoannulation of 17alpha-hydroxypregnan-20-ones with boron trifluoride.
mesh_terms: D001896:Boron Compounds; D006718:Homosteroids / Q000138:chemical synthesis*; D006914:Hydroxysteroids; D007202:Indicators and Reagents; D011278:Pregnanes
chemical_list: D001896:Boron Compounds; D006718:Homosteroids; D006914:Hydroxysteroids; D007202:Indicators and Reagents; D011278:Pregnanes