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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 498192Generated: October 26, 2026

(4-Chloro-5-fluoro-2-nitro-phenyl)-carbamic acid tert-butyl ester → tert-Butyl (2-amino-4-chloro-5-fluorophenyl)carbamate

https://huagongshe.com/reaction/498192

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-Chloro-5-fluoro-2-nitro-phenyl)-carbamic acid tert-butyl esterHCID 69486584—
CatalystPlatinumHCID 23939—
Producttert-Butyl (2-amino-4-chloro-5-fluorophenyl)carbamateHCID 67375046—

Reaction Steps

The title compound was prepared from (4-chloro-5-fluoro-2-nitro-phenyl)-carbamic acid tert-butyl ester (Example A6) (16.48 g, 56.7 mmol) by hydrogenation with 5% Pt/C according to the general procedure J (method a). Obtained as a brown solid (14.78 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06949542B2
Source datasetuspto-grants-2005_09
ORD IDord-7a092a66c7cf4cacac512288c4178497
Source noteuspto-grants-2005_09