ethyl 3,4-bis(benzyloxy)-5-(dimethylcarbamoyl)-1-(4-hydroxyphenyl)-1H-pyrrole-2-carboxylate 在
钯 2-甲基戊烷 作用下,
以
甲醇 为溶剂,
以to afford ethyl 5-(dimethylcarbamoyl)-3,4-dihydroxy-1-(4-hydroxyphenyl)-1H-pyrrole-2-carboxylate (UL1-100) (11 mg, 56%) as a yellow solid的产率得到ethyl 5-(dimethylcarbamoyl)-3,4-dihydroxy-1-(4-hydroxyphenyl)-1H-pyrrole-2-carboxylate