Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59381Generated: October 29, 2026

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

https://huagongshe.com/reaction/59381

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 numberUS09439890B2
Source datasetuspto-grants-2016_09
ORD IDord-e6435beadf9b49f2859f2a6803d925c8
Source noteuspto-grants-2016_09