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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 722058Generated: November 2, 2026

Methane → HCID 21882732, compound

https://huagongshe.com/reaction/722058

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethaneHCID 297—
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 16768649HCID 16768649—
SolventMethanolHCID 887—
ProductHCID 21882732HCID 2188273263.9%

Reaction Steps

0.051 g of ferric chloride and 0.085 g of activated charcoal are added to a suspension of 0.35 g of 2-amino-5-(3,4-dichlorphenyl)-3-nitropyridine (starting material G2) in 10 ml of methanol and the mixture is heated under reflux. 0.270 ml of hydrazine hydrate are added slowly and reflux is continued for 12 hours. After cooling the mixture is filtered and the filtrate is evaporated. The residue is partitioned between sodium-EDTA-solution (0.25M; pH 9–10) and dichloromethane. The organic phase is evaporated to give 0.20 g of the title compound as a yellowish solid of m.p. 202–204° C. The mass spectrum shows the molecular peak MH+ at 254.2 Da.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07138399B2
Source datasetuspto-grants-2006_11
ORD IDord-dd60c2f398bd4d8481441cd27970600b
Source noteuspto-grants-2006_11