Carbon Dioxide → Boc-Leu-DTrp-NHNH2

Participants

Reaction Steps

To a solution of the compound obtained in (1) (430 mg) in DMF (10 ml) was added hydrazine monohydrate (1.0 ml) at room temperature and the solution was stirred overnight. To the reaction mixture was added dry-ice and the resulting solution was concentrated to give a residue, which was triturated with water to afford the product (406 mg). FAB-MS(m/e,(C22H33N5O4 +H)+):432

Provenance & Evidence