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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 217879Generated: October 26, 2026

Chloromethyl Methyl Ether → Ethyl 3-tert-butyl-1-(methoxymethyl)-1H-pyrazole-5-carboxylate

https://huagongshe.com/reaction/217879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloromethyl Methyl EtherHCID 7864—
ReactantEthyl AcetateHCID 8857—
ReactantCesium carbonateHCID 10796—
ReactantEthyl 3-tert-butyl-1H-pyrazole-5-carboxylateHCID 2743509—
SolventDichloromethaneHCID 6344—
ProductEthyl 3-tert-butyl-1-(methoxymethyl)-1H-pyrazole-5-carboxylateHCID 59588852—

Reaction Steps

Method I was used with ethyl 3-tert-butyl-1H-pyrazole-5-carboxylate (1078 mg, 5.49 mmol), caesium carbonate (2.89 g, 8.87 mmol) and chloro(methoxy)methane (426 μl, 5.60 mmol). 16 hours reaction time. Column eluent: 0→10% EtOAc in CH2Cl2. Yield: 485 mg (37%) of a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08198279B2
Source datasetuspto-grants-2012_06
ORD IDord-0b818e8ce98a4eebbd6cd2f6eb9b560a
Source noteuspto-grants-2012_06