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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 853094Generated: October 29, 2026

Methyl chloroformate → Methyl (4-bromo-3-methylphenyl)carbamate

https://huagongshe.com/reaction/853094

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl chloroformateHCID 6586—
Reactant4-Bromo-3-methylanilineHCID 23359—
ReactantSodium BicarbonateHCID 516892—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductMethyl (4-bromo-3-methylphenyl)carbamateHCID 2837845398.6%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a solution of 10.00 g 4-bromo-3-methylaniline in 50 ml dichloromethane was added 80 ml of a 10% solution of sodium bicarbonate in water. The mixture was cooled to 0° C. and 6.2 ml (7.62 g) methyl chloroformate was added during 10 min. with stirring. The reaction mixture was stirred at room temperature for 1 h. The phases were separated. The organic phase was washed with a 10% solution of citric acid in water, 10% solution of sodium bicarbonate in water and brine, dried with magnesium sulfate and evaporated to yield 12.94 g of (4-bromo-3-methyl-phenyl)-carbamic acid methyl ester as light brown solid melting at 71–72° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07253281B2
Source datasetuspto-grants-2007_08
ORD IDord-2f4b7b1ba86f4b18a3d9705324b35676
Source noteuspto-grants-2007_08