A new A-noroleanane triterpenoid with an altered pentacyclic skeleton of 2,11-dioxo-norolean A(1)-12,18(19)dien-30-oic acid based on 18,19-dehydroglycyrrhetic acid was synthesized.
一种新的A-去甲齐墩果烷三
萜类化合物,其五环骨架为2,11-二氧代-去甲齐墩果A(1)-12,18(19)二烯-30-酸,基于18,19-去氢
甘草酸。