dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate 、
1,3,5,7-cyclooctatetraene 以
甲苯 为溶剂,
100.0 ℃
、999.99 MPa
条件下,
反应 20.0h,
以2%的产率得到dimethyl (1R,2R,3R,6S,7S,8S,9S,12R)-3,6-dimethyl-15-oxapentacyclo[6.4.2.13,6.02,7.09,12]pentadeca-4,10,13-triene-4,5-dicarboxylate