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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498168Generated: October 31, 2026

tert-Butanol → tert-Butyl (4-chloro-2-nitrophenyl)carbamate

https://huagongshe.com/reaction/498168

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-ButanolHCID 6386—
Reactant4-Chloro-2-nitroanilineHCID 6979—
ReactantDiphosgeneHCID 10426—
ReactantIsocyanateHCID 105034—
SolventDichloromethaneHCID 6344—
SolventEthyl AcetateHCID 8857—
Producttert-Butyl (4-chloro-2-nitrophenyl)carbamateHCID 53980145—

Reaction Steps

The title compound was prepared via the isocyanate from commercially available 4-chloro-2-nitro-phenylamine [CAS-No. 89-63-4] (5.0 g, 29 mmol) with diphosgene (1.75 mL, 14.5 mmol) in EtOAc (60 mL), followed by treatment with tert-BuOH (30 mL) in CH2Cl2 (60 mL) according to the general procedure A (method a). Obtained as a yellow solid (6.2 g, 76%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-4f06c740e5634043a74bf44a87746c3f
Source noteuspto-grants-2005_09