3,4-bis(benzyloxy)-5-cyano-1-(4-methoxyphenyl)-N,N-dimethyl-1H-pyrrole-2-carboxamide                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以to afford 5-cyano-3,4-dihydroxy-1-(4-methoxyphenyl)-N,N-dimethyl-1H-pyrrole-2-carboxamide (UL1-031) (11 mg, 21%) as a yellow solid的产率得到5-cyano-3,4-dihydroxy-1-(4-methoxyphenyl)-N,N-dimethyl-1H-pyrrole-2-carboxamide