A Practical Synthesis of the ABC Ring Model of Ecteinascidins.
作者:Naoki SAITO、Masashi TACHI、Ryu-ichi SEKI、Hiroshi KAMAYACHI、Akinori KUBO
DOI:10.1248/cpb.48.1549
日期:——
A practical synthesis of 1, 2, 3, 4, 5, 6-hexahydro-1, 5-imino-10-hydroxy-9-methoxy-3, 8, 11-trimethyl-3-benzazocin-4-one (3) as an ABC ring model compound of ecteinascidin 743 and safracins from 3-hydroxy-4-methoxy-5-methylbenzaldehyde (7) is described. The overall yield in 15 steps is 27%.
介绍了一种以 3-羟基-4-甲氧基-5-甲基苯甲醛 (7) 为原料合成 1, 2, 3, 4, 5, 6-六氢-1, 5-亚氨基-10-羟基-9-甲氧基-3, 8, 11-三甲基-3-苯并氮杂环辛-4-酮 (3) 的实用方法,该化合物是蜕皮激素 743 和黄樟素的 ABC 环模型化合物。15 个步骤的总收率为 27%。