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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 629487Generated: October 27, 2026

Diiodomethane → 4-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)-2-(methylthio)pyrimidine

https://huagongshe.com/reaction/629487

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiiodomethaneHCID 6346—
ReactantIsoamyl NitriteHCID 8053—
Reactant1-isopropyl-4-(2-(methylthio)pyrimidin-4-yl)-1H-pyrazol-3-amineHCID 51034227—
Product4-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)-2-(methylthio)pyrimidineHCID 59424409—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of Intermediate 1-isopropyl-4-(2-(methylthio)pyrimidin-4-yl)-1H-pyrazol-3-amine (4.0 g, 16.0 mmol), isopentylnitrite (13.2 g, 112 mmol), and methylene iodide (30 mL) was heated at 100° C. for 3 h. Removal of the volatiles under vacuum provided a dark residue, which was purified by silica gel chromatography (2:1 hexane/ethyl acetate eluant) to afford the title compound as a solid; MS m/z: 361.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09314464B2
Source datasetuspto-grants-2016_04
ORD IDord-d3427ae677ba4ac8b23a654b79dc9c42
Source noteuspto-grants-2016_04