Hydrogen Peroxide → HCID 131717385, compound

Participants

Reaction Steps

To a solution of cyclo(-DTrp(CHO)-DAsp-Met-DVal-Leu-) (12.9 mg) which was prepared in Example 55 in acetic acid(2.0 ml) was added 35% H2O2 (5 μl). The reaction mixture was stirred at room temperature for 3 h and concentrated under reduced pressure till the volume of the mixture was reduced to ca. 1 ml. The residue was triturated with water(3 ml) to give the title compound (7.6 mg) as a pale yellow powder.

Provenance & Evidence