(2R,3S,6S)-6-(2,2-Diethoxy-ethyl)-3-hydroxy-2-prop-1-ynyl-3,6-dihydro-2H-pyridine-1-carboxylic acid benzyl ester 在
Lindlar's catalyst
氢气 作用下,
以
甲醇 为溶剂,
以64%的产率得到(2R,3S,6S)-6-(2,2-Diethoxy-ethyl)-3-hydroxy-2-((Z)-propenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid benzyl ester