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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1641973Generated: October 25, 2026

2-(1H-Benzimidazol-2-yl)ethan-1-amine → 1-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-((R)-1-{6-(2,2-diphenyl-ethylamino)-9-[(1R,2S,3R,4S)-4-(5-ethyl-tetrazol-2-yl)-2,3-dihydroxy-cyclopentyl]-9H-purin-2-yl}-pyrrolidin-3-yl)-urea hydrochloride

https://huagongshe.com/reaction/1641973

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1H-Benzimidazol-2-yl)ethan-1-amineHCID 415158—
Reactant(1R,2S,3R,5S)-3-[2-((R)-3-amino-pyrrolidin-1-yl)-6-(2,2-diphenyl-ethylamino)-purin-9-yl]-5-(5-ethyl-tetrazol-2-yl)-cyclopentane-1,2-diolHCID 11650095—
Reactant1-((R)-1-{6-(2,2-Diphenyl-ethylamino)-9-[(1R,2S,3R,4S)-4-(5-ethyl-tetrazol-2-yl)-2,3-dihydroxy-cyclopentyl]-9H-purin-2-yl}-pyrrolidin-3-yl)-3-pyridin-2-ylmethyl-urea hydrochlorideHCID 66735772—
Product1-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-((R)-1-{6-(2,2-diphenyl-ethylamino)-9-[(1R,2S,3R,4S)-4-(5-ethyl-tetrazol-2-yl)-2,3-dihydroxy-cyclopentyl]-9H-purin-2-yl}-pyrrolidin-3-yl)-urea hydrochlorideHCID 66735985—

Reaction Steps

This compound is prepared from ((1R,2S,3R,5S)-3-[2-((R)-3-amino-pyrrolidin-1-yl)-6-(2,2-diphenyl-ethylamino)-purin-9-yl]-5-(5-ethyl-tetrazol-2-yl)-cyclopentane-1,2-diol (Example 48) using a procedure analogous to that of 1-((R)-1-{6-(2,2-diphenyl-ethylamino)-9-[(1R,2S,3R,4S)-4-(5-ethyl-tetrazol-2-yl)-2,3-dihydroxy-cyclopentyl]-9H-purin-2-yl}-pyrrolidin-3-yl)-3-pyridin-2-ylmethyl-urea hydrochloride (Example 113) by replacing 2-aminomethyl pyridine with 2-(1H-benzoimidazol-2-yl)-ethylamine. MS (ES+) m/e 783.55 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08114877B2
Source datasetuspto-grants-2012_02
ORD IDord-e16a8fec22134e588a6002658b5ba8f7
Source noteuspto-grants-2012_02