| 摘要 |
<p>(a) Method for the resolution of zearalanol (I). (b) Method for the prepn. of zearalanone (II). (I) Intermediate for (II) (II) Anabolic and estrogenic (c.f. US. 3,196,019) K2Cr2O7 3.0 g.) and H2SO4 (2.5 ml.) in H2O (10 ml) was added slowly to (I) (9.7 g.) in Me2CO (50 ml.), stirred 30 min. at 25-30 deg., dild. with H2O (vol.), filtered, and recryst. from Me2CO - Aq., giving (II) (6.5 g.), m.p. 185-90 deg.</p> |
