METHOD FOR PRODUCING PYRROLE DERIVATIVE, AND INTERMEDIATE THEREOF

摘要

The present invention provides a method for producing an atropisomer of a pyrrole derivative having excellent mineralocorticoid receptor antagonistic activity, and an intermediate thereof. A method for producing an atropisomer of a pyrrole derivative using a compound represented by (B) [wherein R 1 represents a C1-C4 alkyl group, and R 2 represents a 2-hydroxyethyl group or a carboxymethyl group] as a production intermediate.