ClC1C(Cl)=C(C)NC=1C(O)=O.[Cl:12][C:13]1[C:17]([Cl:18])=[C:16]([C:19]#[N:20])[NH:15][C:14]=1[C:21]([O:23]C)=[O:22]>>[Cl:12][C:13]1[C:17]([Cl:18])=[C:16]([C:19]#[N:20])[NH:15][C:14]=1[C:21]([OH:23])=[O:22]The title compound was prepared by a procedure analogous to Intermediate 3 starting from methyl 3,4-dichloro-5-cyano-1H-pyrrole-2-carboxy late (Intermediate 130).
Wird geladen…