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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 627577Generated: November 1, 2026

Hydrochloric Acid → 1-((1-Methoxy-4-methyl-1-oxopentan-2-yl)amino)-1-oxopent-4-yn-2-aminium chloride

https://huagongshe.com/reaction/627577

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
ReactantMethyl 2-(2-((tert-butoxycarbonyl)amino)pent-4-ynamido)-4-methylpentanoateHCID 90010236—
SolventDichloromethaneHCID 6344—
Product1-((1-Methoxy-4-methyl-1-oxopentan-2-yl)amino)-1-oxopent-4-yn-2-aminium chlorideHCID 9001036896%

Reaction Steps

A solution of compound 1 (10.55 g: 31 mmol) in DCM (100 mL) was treated with 4M HCl in dioxane (78 mL; 0.31 mol) and stirred at room temperature for 3 h while monitoring the disappearance of the starting material by TLC. The solvent was removed on the rotary evaporator and the residue was treated with ether and then concentrated to give 2 as an off white solid (8.3 g; 96% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09309284B2
Source datasetuspto-grants-2016_04
ORD IDord-1254d62114c142c2a9d0b8dbb023b667
Source noteuspto-grants-2016_04