Water → HCID 58914775, compound

Participants

Reaction Steps

In a vial, TFA (catalytic amount) was added to a stirred mixture of tert-butyl ester pyrrole 7 (1 eq), water (0.1%), and CH2Cl2 at rt. The vial stirred at room temperature until done (−12 h. The reaction was then concentrated under reduced pressure at room temperature and dried in vacuo. The crude residue was dissolved again in CH2Cl2 and concentrated under reduced pressure at rt. The material was used in the final coupling step without further purification as the TFA salt.

Provenance & Evidence