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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1073638Generated: November 2, 2026

Diazomethane → Methyl 2-bromo-delta-oxobenzenepentanoate

https://huagongshe.com/reaction/1073638

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazomethaneHCID 9550—
Reactant5-(2-Bromophenyl)-5-oxovaleric acidHCID 14798468—
SolventDiethyl EtherHCID 3283—
ProductMethyl 2-bromo-delta-oxobenzenepentanoateHCID 1458285197%

Reaction Steps

To 0.54g (2.0 mmol) of the product of Example 2 dissolved in ether was added an ethereal solution of excess diazomethane at 0° C. to produce a 97% yield of the ester as a yellow oil. The ester was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04970234
Source datasetuspto-grants-1990_11
ORD IDord-543dcd55a39d4170a7621ae838d0c63b
Source noteuspto-grants-1990_11