HCID 131712252, compound → HCID 131712251, compound

Participants

Reaction Steps

A solution of 1.2 g of the tetrapeptide derivative obtained sub (3) in 50 ml of 90% acetic acid is hydrogenated in the presence of 0.5 g of palladium carbon (10% Pd). On completion of the hydrogenation the catalyst is suctioned off, the filtrate evaporated to dryness under vacuum and the residue dried at 40° C. under a high vacuum.

Provenance & Evidence