| 摘要 |
1,129,261. Microbiological steroid degradation. T. D. THREADGOLD (Philips' Gloeilampenfabrieken N.V.). 8 Oct., 1965 [9 July, 1964], No. 28361/64. Heading C2U. The invention comprises a method of producing a 17-oxygenated androstane by subjecting a corresponding 20-keto-pregnane to microbiological degradation under aerobic conditions by means of systems of micro-organisms of the species Mastigosporium heterosporum or development stages thereof. 10α-Androstanes are included, and specified products are the 17- keto, 17#-hydroxy and 17#-acetoxy derivatives of 9#,10x-androsta-4,6 dien-3-one.
|
