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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59380Generated: November 2, 2026

Hydrazine hydrate (1:1) → N-(2,5-diamino-4-chlorobenzyl)pivalamide

https://huagongshe.com/reaction/59380

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantN-(2-amino-4-chloro-5-nitrobenzyl)pivalamideHCID 90018960—
CatalystNickelHCID 935—
SolventMethanolHCID 887—
ProductN-(2,5-diamino-4-chlorobenzyl)pivalamideHCID 9001966585%

Reaction Steps

To a solution of N-(2-amino-4-chloro-5-nitrobenzyl)pivalamide (2.0 g, 6.9 mmol) in methanol (20 mL), Raney Ni (2.0 g) and hydrazine hydrate (5.0 mL) were added and the reaction mass was stirred at RT for 3 h. After the completion of the reaction, the reaction mass was filtered through celite pad and obtained filtrated was concentrated to afford 1.5 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 1.11 (s, 9H), 3.97 (br d, 2H), 4.52 (br d, 2H), 5.44 (br s, 2H), 6.50 (d, J=11.4 Hz, 2H), 7.88 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09439890B2
Source datasetuspto-grants-2016_09
ORD IDord-1f052c3e3d71417598f4a8e5a7dd32b8
Source noteuspto-grants-2016_09