Total Asymmetric Synthesis of the Potent Immunosuppressive Marine Natural Product Microcolin A
作者:Carl P. Decicco、Paul Grover
DOI:10.1021/jo952123l
日期:1996.1.1
The total asymmetric synthesis of the potent immunosuppressive compound microcolin A is reported, The synthesis establishes the absolute stereochemistry of microcolin A as C-36R, C-38R, and C-4S on the basis of the diastereoselective preparation of all four possible diastereomers of the lipid region (fragment A) and diastereoselective synthesis of fragment C starting from natural L-(S)-alanine. The strategy involves a convergent assemblage of three optically pure fragments and is amenable to chemical modifications to examine structural analogs for biological study.