HCID 22800291, compound → HCID 178461469, compound

Participants

Reaction Steps

This was prepared from benzyloxycarbonyl-L-pyroglutamyl-Nα -methyl-L-histidine (207 mg) and trans-3-methyl-L-prolineamide (77 mg) by the method of Example 2(vi) to yield a white hydroscopic solid (90 mg) RF 3A m.p. 135°-140° RF 3B 0.60 (Found C, 55.0; H, 7.0; N, 21.2; C18H23N6O4 requires C, 55.4; H, 6.7; N, 21.5%) [α]D22 - 23.9° (c = 1, dimethylformamide).

Provenance & Evidence