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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1707044Generated: October 31, 2026

Pyridine → 2-Hydrazino-5-phenylpyrimidine

https://huagongshe.com/reaction/1707044

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant2-Chloro-5-phenylpyrimidineHCID 605320—
SolventWaterHCID 962—
Product2-Hydrazino-5-phenylpyrimidineHCID 14169936—

Reaction Steps

To a solution of 5.4 g. of 2-chloro-5-phenylpyrimidine in 25 ml. of pyridine is added 25 ml. of hydrazine hydrate. The mixture is heated on a steam bath for one hour with occasional swirling. Water is added and the material that is separated is collected and crystallized from methanol to give 4.5 g. of the product of the Example, m.p. 155° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04209621
Source datasetuspto-grants-1980_06
ORD IDord-0dedac35560640c38892fcf397a01082
Source noteuspto-grants-1980_06