Cyglization of 13β-ethyl-3-methoxt-17β-ol-8, 14-Seco- -1,3,5(10),9-gonatstraen-14-one and its 17 acetate derivative
摘要:
13beta-Ethyl-3-methoxy-17beta-ol-8,14-seco-1,3,5(10),8-gonatetraen-14-one (IIIa) was isolated and its participation in the well-known acidic cyclization process was established.
Cyglization of 13β-ethyl-3-methoxt-17β-ol-8, 14-Seco- -1,3,5(10),9-gonatstraen-14-one and its 17 acetate derivative
摘要:
13beta-Ethyl-3-methoxy-17beta-ol-8,14-seco-1,3,5(10),8-gonatetraen-14-one (IIIa) was isolated and its participation in the well-known acidic cyclization process was established.