Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 443915Generated: October 31, 2026

Ethylmorpholine → HCID 131712173, compound

https://huagongshe.com/reaction/443915

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylmorpholineHCID 7525—
ReactantIsobutyl chloroformateHCID 62365—
ReactantL-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-HCID 77857—
ReactantHCID 22815435HCID 22815435—
SolventDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
ProductHCID 131712173HCID 131712173—

Reaction Steps

2.9 g of Boc-Phe-OH and 1.4 ml of N-ethylmorpholine are dissolved in 50 ml of absolute tetrahydrofuran and 1.4 ml of chloroformic acid iso-butyl ester added at -10°. After 10 minutes, a solution of 1.7 g of methioninol-hydrochloride in 25 ml of dimethyl formamide is added. After two hours stirring at room temperature, the solution is evaporated under vacuum and the residue taken up in acetic acid. The solution is repeatedly washed with dilute citric acid and potassium bicarbonate and the title compound isolated. M.P. 106°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04261888
Source datasetuspto-grants-1981_04
ORD IDord-e2e4b4dec50745df8421d875f9d750f6
Source noteuspto-grants-1981_04