| 摘要 |
1298315 Zearalanol COMMERCIAL SOLVENTS CORP 19 April 1971 [2 April 1970] 23142/71 Heading C2C Zearalanol is prepared by reducing zearalenone with hydrogen in a medium comprising a C 1-6 alkanol, a strong base, a catalytic amount of a Raney nickel catalyst, and not more than 5 volume per cent of water based on the alkanol. The resulting zearalanol is a mixture of a major amount of the low melting point diastereoisomer and a minor amount of the high melting point diastereoisomer and can be separated into its components by known methods. Reference has been directed by the Comptroller to Specification 1,107,738. |
