dimethyl 1'-benzyl-4'-hydroxy-(2'rH,6'tH)-1',2',5',6'-tetrahydro<2,2';6',2''>terpyridine-3',5'-dicarboxylate 在
sodium tetrahydroborate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
生成 (1'R,2'S,3'R,4'R,5'S,6'R)-1'-Benzyl-4'-hydroxy-1',2',3',4',5',6'-hexahydro-[2,2';6',2'']terpyridine-3',5'-dicarboxylic acid dimethyl ester 、 (1'S,2'S,3'S,4'S,5'R,6'S)-1'-Benzyl-4'-hydroxy-1',2',3',4',5',6'-hexahydro-[2,2';6',2'']terpyridine-3',5'-dicarboxylic acid dimethyl ester