| 摘要 |
1,195,144. Thebainol derivative. SANKYO CO. Ltd. 4 June, 1968 [6 June, 1967], No. 26510/68. Heading C2C. 14 - Hydroxy - dihydro - 6# - thebainol 4 - methyl ether is prepared by treating 14-hydroxydihydro-thebainone 4-methyl ether with at least 10, preferably 11-15, times its molar equivalent of aluminium isopropoxide in a benzene or an alkylbenzene solvent. |
