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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 508873Generated: November 3, 2026

Hydrochloric Acid → N-(2,4-dichloro-5-hydrazinylbenzyl)-2,2-dimethylpropanamide

https://huagongshe.com/reaction/508873

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantStannous chloride dihydrateHCID 61436—
ReactantSodium NitriteHCID 23668193—
ReactantN-(2,5-diamino-4-chlorobenzyl)pivalamideHCID 90019665—
ProductN-(2,4-dichloro-5-hydrazinylbenzyl)-2,2-dimethylpropanamideHCID 90019848—

Reaction Steps

The title compound was prepared according to the procedure described in step-1 of Intermediate-61 by using N-(2,5-diamino-4-chlorobenzyl)pivalamide (1.5 g, 5.8 mmol), NaNO2 (0.481 g, 6.9 mmol), SnCl2.2H2O (3.20 g, 14.5 mmol), conc. HCl (50 mL) to afford 1.0 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 1.11 (s, 9H), 4.44 (m, 2H), 6.53 (m, 1H), 7.18 (m, 1H), 7.99 (m, 1H), 10.23 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09096545B2
Source datasetuspto-grants-2015_08
ORD IDord-0642b815ea474e8eb90c0422c723381b
Source noteuspto-grants-2015_08