Use of N-Boc-tert-butyldimethylsilyloxypyrrole in highly diastereoselective aldol reaction
作者:Marianne Pichon、Jean-Christophe Jullian、Bruno Figadère、André Cavé
DOI:10.1016/s0040-4039(98)00058-6
日期:1998.3
(+)-Amino-muricatacin, a non natural aza-analogue of the bioactive annonaceous acetogenin muricatacin was prepared with >99 % d.e. and 68 % e.e., by addition of N-Boc-tertbutyldimethylsilyloxypyrrole (TBSOP) on achiral tridecanal in the presence of (R)-1,1'-Bi-2-naphtol (Binol), followed by hydrogenation and N-Boc removal protecting group. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
(+)-Amino-muricatacin 是一种非天然的aza类似物,属于 bioactive annonaceous acetogenin muricatacin 的活性成分。该物质通过在无定形的 tridecanal 上添加 N-Boc-tertbutyldimethylsilyloxypyrrole (TBSOP) 制得, 使用了 (R)-1,1'-Bi-2-naphtol (Binol) 作为催化剂,之后经过氢化反应和 N-Boc 保护基团的脱去。该产物的分离率为 >99%,光学纯度为 68%。© 1998 Elsevier Science Ltd., 版权所有。