作者:Braulio M. Fraga、J.Clemente Diaz Gomez、M.Shaiq Ali、James R. Hanson
DOI:10.1016/0031-9422(93)85341-n
日期:1993.10
In a study of the stereo-electronic requirements for microbiological hydroxylation by Rhizopus stolonifer, ent-19-hydroxygibberell-16-en-20-oic acid 20,19-lactone, ent-7,19-dihydroxygibberell-16-en-20-oic acid 20,19-lactone and ent-19-hydroxygibberell-16-en-7,20-dioic acid 20,19-lactone 7-methyl ester are shown to be hydroxylated at the 15alpha-position.