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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882604Generated: October 30, 2026

Methylamine → 1-[9-((1R,2S,3R,4S)-2,3-Dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-1H-pyrazole-4-carboxylic acid methylamide

https://huagongshe.com/reaction/1882604

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
Reactant1-[9-((1R,2S,3R,4S)-2,3-Dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-1H-pyrazole-4-carboxylic acid ethyl esterHCID 66630574—
Product1-[9-((1R,2S,3R,4S)-2,3-Dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-1H-pyrazole-4-carboxylic acid methylamideHCID 66630185—

Reaction Conditions

Temperature65 °C

Reaction Steps

A mixture of 1-[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-1H-pyrazole-4-carboxylic acid ethyl ester (0.07 g, 0.112 mmol) and 40% aqueous methyl amine solution (3 ml) is heated to 65° C. for 12 h. The reaction mixture is concentrated in vacuo and purification of the crude residue by chromatography on silica eluting with 4% methanol in chloroform yields the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318750B2
Source datasetuspto-grants-2012_11
ORD IDord-5c997ee62fee40d7b5f47005ca4caa67
Source noteuspto-grants-2012_11