Two Asymmetric Syntheses of AMG 221, an Inhibitor of 11β-Hydroxysteroid Dehydrogenase Type 1
作者:Seb Caille、Sheng Cui、Tsang-Lin Hwang、Xiang Wang、Margaret M. Faul
DOI:10.1021/jo900287b
日期:2009.5.15
Two asymmetric syntheses of AMG 221 (2), an inhibitor of 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) discovered in our laboratories, are reported. One of the syntheses utilizes chiral trimethylsilyl cyanohydrin 12 as starting material and the other utilizes its enantiomer ent-12. The displacement approach involves the conversion of 12 to 2 via a six-step sequence, occurs with net inversion of