Enantioselective deprotonation of 8-oxabicyclo[3.2.1]octan-3-one systems using homochiral lithium amide bases
作者:Barry J. Bunn、Paul J. Cox、Nigel S. Simpkins
DOI:10.1016/s0040-4020(01)80520-2
日期:1993.1
The asymmetric transformation of oxabicyclic ketones 6 and 7 into non-racemic enol silanes 12 (88% ee) and 10 (85% ee), respectively, was achieved using the homochiral lithium amide base 4. Conversion of 10 into a known key intermediate 15 for C-nucleoside synthesis was possible in a highly efficient two step sequence.
氧杂双环酮6和7分别转化为非外消旋烯醇硅烷12(88%ee)和10(85%ee)的不对称转化,是通过使用手性锂酰胺基4来实现的。以高效的两步序列可以将10转化为C-核苷合成的已知关键中间体15。