HCID 54293522, compound → HCID 53851109, compound

Participants

Reaction Steps

When an equivalent quantity of β-(2-thienyl)-L-alanyl-L-methionine benzyl ester hydrochloride is substituted for the L-tryptophyl-L-methionine benzyl ester hydrochloride of Example 7 and the procedure detailed therein substantially repeated, there is obtained N-t-butoxycarbonyl-L-tyrosylglycylglycyl β-(2-thienyl)-L-alanyl-L-methionine benzyl ester.

Provenance & Evidence