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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1594435Generated: October 30, 2026

Hydrazine hydrate (1:1) → Methyl 3-(4-aminobutoxy)benzoate

https://huagongshe.com/reaction/1594435

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantMethyl 3-(4-phthalimidobutoxy)benzoateHCID 58678553—
SolventEthanolHCID 702—
SolventChloroformHCID 6212—
ProductMethyl 3-(4-aminobutoxy)benzoateHCID 58678502115.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

Methyl 3-(4-phthalimidobutoxy)benzoate (6.60 g, 18.68 mmol) was dissolved in 50 mL of ethanol and reacted with hydrazine monohydrate (1.87 g, 37.36 mmol). Following stirring at 80° C. for 1 hour, the resulting mixture was diluted with chloroform, then washed with a saturated sodium bicarbonate solution, water, and brine, and dried with sodium sulfate. The resulting reaction solution was concentrated under reduced pressure to give a white crystal (4.81 g). The white crystal was directly used in subsequent reaction.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07301033B2
Source datasetuspto-grants-2007_11
ORD IDord-cb0fefb886df4bbb97d68c53fc4a3eb7
Source noteuspto-grants-2007_11