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用EIMS、高分辨及B/E联动扫描技术,对二十一个20-C-未被氧化的-对映-贝壳杉烯化合物的结构特征进行了研究,并讨论裂解过程与A、B、C环上的取代基的影响。
Twenty-one 20-C-un-oxidized-kaurene compounds were characterized by EIMS, high-resolution and B / E scanning electron microscopy and discussed the relationship between the cleavage process and A, B, Effect of Substituents on C Ring.