HCID 53691605, compound → HCID 54393979, compound

Participants

Reaction Steps

When an equivalent quantity of N-t-butoxycarbonyl-p-t-butyl-L-phenylalanine pentachlorophenyl ester is substituted for the N-t-butoxycarbonyl-L-tryptophan 2,4,5-trichlorophenyl ester of Example 5 and the procedure detailed therein substantially repeated, there is obtained N-t-butoxycarbonyl-p-t-butyl-L-phenylalanyl-L-methionine benzyl ester.

Provenance & Evidence