Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 641682Generated: October 29, 2026

Hydrazine → 1-(5-Bromo-2-(2,5-dimethyl-1H-pyrrol-1-yl)-6-methylpyrimidin-4-yl)hydrazine

https://huagongshe.com/reaction/641682

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
Reactant5-bromo-4-chloro-2-(2,5-dimethyl-1H-pyrrol-1-yl)-6-methylpyrimidineHCID 59258848—
SolventDimethylacetamideHCID 31374—
Product1-(5-Bromo-2-(2,5-dimethyl-1H-pyrrol-1-yl)-6-methylpyrimidin-4-yl)hydrazineHCID 59258901—

Reaction Conditions

Temperature100 °C

Reaction Steps

To a microwave vial was added 5-bromo-4-chloro-2-(2,5-dimethyl-1H-pyrrol-1-yl)-6-methylpyrimidine (4.95 g, 16.5 mmol) and hydrazine (0.57 ml, 18.1 mmol) hunig's base 95.74 ml, 32.9 mmol) and dimethyacetamide (24 ml) at R.T. After heating in the microwave for 30 mins at 100° C. The reaction mixture was concentrated under reduced pressure to dryness and the residue was trituarated with 1:1 ethyl acetate:methanol to obtain the desired product as a white solid weighted 2820 mg. The mother liquor was purified by column chromatography eluted with 30% EtOAc:hexane to give an additional batch of the desired product. Both lots were combined to give the titled compound as a white solid weighted 3620 mg 74%

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07696213B2
Source datasetuspto-grants-2010_04
ORD IDord-c00fbb148440436cb786c8dde76389c7
Source noteuspto-grants-2010_04