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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882607Generated: October 29, 2026

4-[3-(2-{[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carbonyl]-amino}-ethyl)-ureido]-piperidine-1-carboxylic acid benzyl ester → 4-{[(R)-3-(3-{(R)-1-[9-((1R,2S,3R,4S)-2,3-Dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-pyrrolidin-3-yl}-ureido)-pyrrolidine-1-carbonyl]-amino}-piperidine-1-carboxylic acid benzyl ester trifluoroacetate

https://huagongshe.com/reaction/1882607

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[3-(2-{[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carbonyl]-amino}-ethyl)-ureido]-piperidine-1-carboxylic acid benzyl esterHCID 66630374—
ReactantN-((1S,2R,3S,4R)-4-{6-(2,2-Diphenyl-ethylamino)-2-[(R)-3-((R)-3-pyrrolidin-3-ylureido)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxy-cyclopentyl)-propionamide trifluoroacetateHCID 66630460—
Product4-{[(R)-3-(3-{(R)-1-[9-((1R,2S,3R,4S)-2,3-Dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-pyrrolidin-3-yl}-ureido)-pyrrolidine-1-carbonyl]-amino}-piperidine-1-carboxylic acid benzyl ester trifluoroacetateHCID 86647563—

Reaction Steps

The title compound is prepared analogously to 4-[3-(2-{[9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carbonyl]-amino}-ethyl)-ureido]-piperidine-1-carboxylic acid benzyl ester (Example 108) by replacing 9-((1R,2S,3R,4S)-2,3-dihydroxy-4-propionylamino-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purine-2-carboxylic acid (2-amino-ethyl)-amide with N-((1S,2R,3S,4R)-4-{6-(2,2-diphenyl-ethylamino)-2-[(R)-3-((R)-3-pyrrolidin-3-ylureido)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxy-cyclopentyl)-propionamide trifluoroacetate (Example 17 step 1). (MH+ 943.4)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318750B2
Source datasetuspto-grants-2012_11
ORD IDord-c9f8e982a62d485c8e1293e9270102e0
Source noteuspto-grants-2012_11