title: Studies on the isomerization of vitamin D and related compounds with acidic reagents. II. Mechanism of the isomerization of vitamin D2 and its isomers with boron trifluoride.
mesh_terms: D000143:Acids; D001896:Boron Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004872:Ergocalciferols; D005459:Fluorides; D006207:Half-Life; D007202:Indicators and Reagents; D007536:Isomerism; D007700:Kinetics; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000143:Acids; D001896:Boron Compounds; D004872:Ergocalciferols; D007202:Indicators and Reagents; D005459:Fluorides