(7R,8R)-2-methyl-8-phenyl-7-pivaloxy-3-propenyl-7,8-dihydro-3H-chromeno[7,8-d]imidazol-6-one 在
sodium tetrahydroborate 、
氯化铵 作用下,
以
甲醇 、
水 为溶剂,
反应 1.0h,
生成 (6R,7S,8R)-6-hydroxy-2-methyl-8-phenyl-7-pivaloxy-(3Z)-propenyl-3,6,7,8-tetrahydro-3H-chromeno[7,8-d]imidazole 、 (6R,7S,8R)-6-hydroxy-2-methyl-8-phenyl-7-pivaloxy-(3E)-propenyl-3,6,7,8-tetrahydro-3H-chromeno[7,8-d]imidazole