Synthetic studies toward ansatrienines: application of the Evans–Tishchenko reaction to chiral enones
作者:Kai-Uwe Schöning、R.K Hayashi、Douglas R Powell、Andreas Kirschning
DOI:10.1016/s0957-4166(99)00069-5
日期:1999.3
Practical syntheses of the C9-C14 sterotriade 5 and the C1-C8 polyene unit 6 in ansatrienine A (mycotriene) (la), and other ansamycin antibiotics is described. A key step for controlling the configuration of the stereogenic center at C13 involves the stereoselective reduction of enone 10 using the Evans-Tishchenko reaction. (C) 1999 Elsevier Science Ltd. All rights reserved.