Two new ent-kaurane-type diterpenoids,6β,7β,13α-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaur-16-en-15-one(1)and 15β- hydroxy-6,7-seco-6,11β:6,20-diepoxy-1α,7-olide-ent-kaur-16-ene(2)were isolated from the I...Two new ent-kaurane-type diterpenoids,6β,7β,13α-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaur-16-en-15-one(1)and 15β- hydroxy-6,7-seco-6,11β:6,20-diepoxy-1α,7-olide-ent-kaur-16-ene(2)were isolated from the Isodon nervosus,and the structures were elucidated by spectroscopic analysis.展开更多
文摘Two new ent-kaurane-type diterpenoids,6β,7β,13α-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaur-16-en-15-one(1)and 15β- hydroxy-6,7-seco-6,11β:6,20-diepoxy-1α,7-olide-ent-kaur-16-ene(2)were isolated from the Isodon nervosus,and the structures were elucidated by spectroscopic analysis.