6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.0
5,13]trideca-5(13),6,8-triene-11-carbaldehyde 在
manganese(IV) oxide 作用下,
以
甲醇 为溶剂,
以6.5 g的产率得到6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.0
3’
13]trideca-5(13),6,8,11-tetraene-11-carbaldehyde