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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 371922Generated: October 31, 2026

6-(1-Butyl)hydrazino-4-chloro-2-methyl-5-nitropyridine-3-carboxylic acid ethyl ester → 5-Amino-6-butylamino-4-chloro-2-methylpyridine-3-carboxylic acid, ethyl ester

https://huagongshe.com/reaction/371922

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(1-Butyl)hydrazino-4-chloro-2-methyl-5-nitropyridine-3-carboxylic acid ethyl esterHCID 53778077—
Reactant4-Chloro-6-(1-ethyl)hydrazino-2-methyl-5-nitropyridine-3-carboxylic acid, ethyl esterHCID 86734417—
Product5-Amino-6-butylamino-4-chloro-2-methylpyridine-3-carboxylic acid, ethyl esterHCID 1238761972%

Reaction Steps

By replacing 4-chloro-6-(1-ethyl)hydrazino-2-methyl-5-nitropyridine-3-carboxylic acid, ethyl ester in Example 1 c with 6-(1-butyl)hydrazino-4-chloro-2-methyl-5-nitropyridine-3-carboxylic acid ethyl ester, 5-amino-6-butylamino-4-chloro-2-methylpyridine-3-carboxylic acid, ethyl ester is obtained. Yield 72%, b.p. 200°-210°/0.01.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04088654
Source datasetuspto-grants-1978_05
ORD IDord-0e98b34e45304fc08e2004c928a03a54
Source noteuspto-grants-1978_05