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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 508879Generated: October 27, 2026

Stannous chloride dihydrate → N-(4-chloro-2-fluoro-5-hydrazinylbenzyl)-2,2,2-trifluoroacetamide

https://huagongshe.com/reaction/508879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStannous chloride dihydrateHCID 61436—
ReactantSodium NitriteHCID 23668193—
ReactantN-(5-amino-4-chloro-2-fluorobenzyl)-2,2,2-trifluoroacetamideHCID 90018998—
SolventHydrochloric AcidHCID 313—
ProductN-(4-chloro-2-fluoro-5-hydrazinylbenzyl)-2,2,2-trifluoroacetamideHCID 9001964250,015.5%

Reaction Steps

The title compound was prepared according to the procedure described in step-1 of Intermediate-61 by using N-(5-amino-4-chloro-2-fluorobenzyl)-2,2,2-trifluoroacetamide (2.0 g, 0.007 mmol), NaNO2 (0.612 g, 0.008 mmol), SnCl2.2H2O (4.10 g, 0.018 mmol), and conc. HCl (100 mL) to afford 1.0 g of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09096545B2
Source datasetuspto-grants-2015_08
ORD IDord-275898c2eb4d4054bcc191ab5e4cbaac
Source noteuspto-grants-2015_08