Neo-clerodane diterpenoids from Scutellaria alpina subsp. javalambrensis
作者:Maria C. de la Torre、Benjamín Rodríguez、Maurizio Bruno、Peter Y. Malakov、Georgi Y. Papanov、Franco Piozzi、Giuseppe Savona
DOI:10.1016/s0031-9422(00)90851-3
日期:1993.12
Abstract Three new neo-clerodane derivatives, scutalpins B–D, were isolated from the acetone extract of the aerial parts of Scutellaria alpina subsp. javalambrensis . The structures of these compounds were established mainly by spectroscopic means as (11 S )-11,19-diacetoxy-4α,18-epoxy-8β-hydroxy-6α-tigloyloxy-13-neo-cleroden-15,16-olide (scutalpin B), (11 S )-19-acetoxy-4α,18-epoxy-8β,11-dihydrox
摘要 从 Scutellaria alpina subsp. 地上部分的丙酮提取物中分离出三种新的新克罗丹衍生物,scutalpins B-D。爪哇 这些化合物的结构主要通过光谱手段确定为 (11 S )-11,19-diacetoxy-4α,18-epoxy-8β-hydroxy-6α-tigloyloxy-13-neo-cleroden-15,16-olide (scutalpin B), (11 S )-19-acetoxy-4α,18-epoxy-8β,11-dihydroxy-6α-tigloyloxy-13-neo-cleroden-15,16-olide (scutalpin C) 和 (13 S )-11β ,19-diacetoxy-4α,18;8β,13-diepoxy-6α-tigloyloxy-neo-clerodan-15,16-olide (scutalpin D)。