N-苄基羟胺 、
(3aR,5S,6R,6aR)-6-(Allyl-benzyl-amino)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole-5-carbaldehyde 在
3 A molecular sieve 作用下,
以
苯 为溶剂,
反应 20.0h,
生成 (5aR,6R,7R,8aR)-1,5-dibenzyl-1,3,3a,5a,6,7,8a,8b-octahydro-6,7-isopropylidenedioxy-4H-furo[2',3':5,6]pyrido[4,3-c]isoxazole 、 (2aR,2bR,4R,5R,5aR,7aS)-2,6-dibenzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6,-diazabicyclo[4.2.1]nonane