Microwave‐Mediated Facile Synthesis of Steroid‐like 1,5‐Diketones from Mannich Salts
作者:H. Surya Prakash Rao、E. Poonguzhali、S. P. Senthilkumar
DOI:10.1080/00397910701845514
日期:2008.2.1
Abstract A facilesynthesis of some diketones that fit into a steroid motif was achieved from Mannich salts and cyclic ketones under microwave irradiation.
摘要 在微波辐射下,曼尼希盐和环酮轻松合成了一些适合类固醇基序的二酮。
Synthesis and stereochemistry of 2-arylperhydrocyclopenta[b]pyridin-1-ols, 8-azaestrone fragments
作者:H. Surya Prakash Rao、Shaik Rafi
DOI:10.1016/j.tetlet.2008.08.020
日期:2008.10
Different stereoisomers of 2-arylperhydrocyclopenta[b]pyridin-1-ols, which form structural motifs of 8-azaestrone, were prepared via reductive cyclization from mono-oximes derivedfrom 1,5-diketones, by using sodiumborohydride and acetic acid in THF at reflux.
通过在THF中使用硼氢化钠和乙酸,通过衍生自1,5-二酮的单肟的还原环化反应,制得形成8-氮杂酮的结构基序的2-芳基过氢环戊四烯[ b ]吡啶-1-醇的不同立体异构体在回流下。