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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 340138Generated: October 31, 2026

Trifluoroacetic acid → (5R,7R)-5-methyl-4-(1,2,3,6-tetrahydropyridin-4-yl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-7-ol

https://huagongshe.com/reaction/340138

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl 4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-5,6-dihydropyridine-1(2H)-carboxylateHCID 67438475—
SolventDichloromethaneHCID 6344—
Product(5R,7R)-5-methyl-4-(1,2,3,6-tetrahydropyridin-4-yl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-7-olHCID 67438457—

Reaction Steps

TFA (193 μL, 2.5 mmol) was added to a solution of tert-butyl 4-((5R,7R)-7-hydroxy-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-5,6-dihydropyridine-1(2H)-carboxylate (33 mg, 0.10 mmol) in DCM (1 mL). The mixture was stirred at room temperature for 1 hour, and concentrated to give (5R,7R)-5-methyl-4-(1,2,3,6-tetrahydropyridin-4-yl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-7-ol as an oil, which was used further without purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08895566B2
Source datasetuspto-grants-2014_11
ORD IDord-e6cc52c1155c4b3e9fa7dc6a07f44d4d
Source noteuspto-grants-2014_11