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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1635209Generated: October 26, 2026

Stannous chloride dihydrate → [2-Amino-4-(4-trifluoromethoxy-phenylethynyl)-phenyl]-carbamic acid tert.-butyl ester

https://huagongshe.com/reaction/1635209

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStannous chloride dihydrateHCID 61436—
Reactant[2-Nitro-4-(4-trifluoromethoxy-phenylethynyl)-phenyl]-carbamic acid tert.-butyl esterHCID 69592769—
Product[2-Amino-4-(4-trifluoromethoxy-phenylethynyl)-phenyl]-carbamic acid tert.-butyl esterHCID 6959275668.2%

Reaction Steps

Prepared from [2-nitro-4-(4-trifluoromethoxy-phenylethynyl)-phenyl]-carbamic acid tert.-butyl ester (Example F12) (1.09 g, 2.58 mmol) by reduction with SnCl2.2H2O (2.91 g, 12.9 mmol) according to the general procedure G (method b). Obtained as a light brown solid (690 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06509328B1
Source datasetuspto-grants-2003_01
ORD IDord-9e9c6d31446c444faab8758357185b23
Source noteuspto-grants-2003_01