Hydrazine hydrate (1:1) → HCID 131714604, compound

Participants

Reaction Steps

A solution of 5 g of Boc-Ile-Phe-Thr-Asn-Ser-OMe (7.2 mM) in 40 ml of DMF and 200 ml of methanol cooled on an ice bath has 3.6 ml of an 80% solution of hydrazine hydrate added thereto. After 21 hours of reaction at ambient temperature, 0.9 ml of the same solution of hydrazine hydrate are added. After 3 more hours, the gel obtained is filtered, washed with methanol and dried in vacuo. 3.94 g of product are obtained.

Provenance & Evidence