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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1643623Generated: November 2, 2026

5-(6-Methoxycarbonyl-2,2-dimethyl-2,3-dihydro-benzofuran-4-yloxy)-pyrimidine-2-carboxylic acid tert-butyl ester → 5-(6-Methoxycarbonyl-2,2-dimethyl-2,3-dihydro-benzofuran-4-yloxy)-pyrimidine-2-carboxylic acid

https://huagongshe.com/reaction/1643623

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(6-Methoxycarbonyl-2,2-dimethyl-2,3-dihydro-benzofuran-4-yloxy)-pyrimidine-2-carboxylic acid tert-butyl esterHCID 59560146—
SolventDichloromethaneHCID 6344—
SolventTrifluoroacetic acidHCID 6422—
Product5-(6-Methoxycarbonyl-2,2-dimethyl-2,3-dihydro-benzofuran-4-yloxy)-pyrimidine-2-carboxylic acidHCID 59559872—

Reaction Steps

A solution of 5-(6-methoxycarbonyl-2,2-dimethyl-2,3-dihydro-benzofuran-4-yloxy)-pyrimidine-2-carboxylic acid tert-butyl ester (171b) (83 mg, 0.21 mmol) in 2 mL CH2Cl2 and 1 mL TFA was stirred at room temperature for 2 hr. The mixture was concentrated, dried under vacuum, and taken to the next step as it is.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08119624B2
Source datasetuspto-grants-2012_02
ORD IDord-95d83b4bc48f4da4a529da5b27ac681c
Source noteuspto-grants-2012_02