Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 68005Generated: October 28, 2026

Hydrochloric Acid → Hydrochloric Acid

https://huagongshe.com/reaction/68005

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantSodium HydroxideHCID 14798—
Reactantalpha-Vinyltryptophan methyl esterHCID 54086905—
SolventWaterHCID 962—
ProductHydrochloric AcidHCID 313—
ProductHCID 70529730HCID 70529730—

Reaction Steps

Treatment of α-vinyltryptophan methyl ester in 1.1 methanol:water with two equivalents of sodium hydroxide, neutralization of the reaction mixture with 1 N aqueous hydrochloric acid, and purification of the crude amino acid on DOWEX 50W-X4 cation exchange resin (elution with water and then 2 N aqueous hydrochloric acid) gives α-vinyltryptophan hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04347375
Source datasetuspto-grants-1982_08
ORD IDord-f52cc0bab89e4b419ae002d32d939afd
Source noteuspto-grants-1982_08