摘要
The first total synthesis of (?-3, 7-dihydroxy-4-methoxyflavan, a naturally occurring flavan, was described. The key step is the cyclization of 1, 3-diaryl-1-propanol by BF3稥t2O.
The first total synthesis of (?-3, 7-dihydroxy-4-methoxyflavan, a naturally occurring flavan, was described. The key step is the cyclization of 1, 3-diaryl-1-propanol by BF3稥t2O.
