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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1366522Generated: October 26, 2026

Hydrazine hydrate (1:1) → 1-(2-Chloro-5-fluoro-6-hydrazino-4-pyrimidinyl)-3-methyl-3-pyrrolidinol

https://huagongshe.com/reaction/1366522

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant1-(2,6-Dichloro-5-fluoro-4-pyrimidinyl)-3-methyl-3-pyrrolidinolHCID 86636974—
SolventDimethyl SulfoxideHCID 679—
Product1-(2-Chloro-5-fluoro-6-hydrazino-4-pyrimidinyl)-3-methyl-3-pyrrolidinolHCID 8663697521.7%

Reaction Steps

1-(2,6-Dichloro-5-fluoro-4-pyrimidinyl)-3-methyl-3-pyrrolidinol (0.486 g, 1.83 mmol) and hydrazine monohydrate (0.53 mL, 10.96 mmol) in DMSO (5 mL) were heated at 50° C. until the reaction was deemed complete. Purification by RP-HPLC provided 1-(2-chloro-5-fluoro-6-hydrazino-4-pyrimidinyl)-3-methyl-3-pyrrolidinol as a brown solid (0.104 g, 21%). LCMS: (M+H)+=262.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07893056B2
Source datasetuspto-grants-2011_02
ORD IDord-2dd91fa7d45c4610b6157d339999f2a0
Source noteuspto-grants-2011_02