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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2419434Generated: November 3, 2026

Diazomethane → HCID 54140063, compound

https://huagongshe.com/reaction/2419434

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazomethaneHCID 9550—
ReactantHCID 54024227HCID 54024227—
CatalystAcetic AcidHCID 176—
SolventEthyl AcetateHCID 8857—
ProductHCID 54140063HCID 54140063—

Reaction Steps

A solution of 1-[3-[[(ethylthio)thiocarbonyl]thio]propanoyl]-L-proline in ethyl acetate is treated with an ethereal solution of diazomethane until persistent yellow color. After discharging the yellow color with a few drops of acetic acid, the solvents are removed in vacuo to yield 1-[3-[[(ethylthio)thiocarbonyl]thio]propanoyl]-L-proline methyl ester.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04105776
Source datasetuspto-grants-1978_08
ORD IDord-17f97db43c1a42e7b51b85cf68777932
Source noteuspto-grants-1978_08