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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2070674Generated: October 25, 2026

1-Ethynylcyclopentanol → 2,2,2-trifluoro-N-(3-hydroxy-3-(3-((1-hydroxycyclopentyl)ethynyl)phenyl)propyl)-acetamide

https://huagongshe.com/reaction/2070674

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-EthynylcyclopentanolHCID 87074—
ReactantN-(3-(3-bromophenyl)-3-hydroxypropyl)-2,2,2-trifluoroacetamideHCID 57608426—
Product2,2,2-trifluoro-N-(3-hydroxy-3-(3-((1-hydroxycyclopentyl)ethynyl)phenyl)propyl)-acetamideHCID 86628474—

Reaction Steps

Sonogashira reaction of bromide 25 with 1-ethynylcyclopentanol yielded 2,2,2-trifluoro-N-(3-hydroxy-3-(3-((1-hydroxycyclopentyl)ethynyl)phenyl)propyl)-acetamide as brown oil. Yield (0.55 g, 55%): 1H NMR (400 MHz, CDCl3) δ 7.41 (s, 1H), 7.28-7.35 (m, 3H), 4.85-4.87 (m, 1H), 3.66-3.70 (m, 1H), 3.38-3.44 (m, 1H), 2.41 (bs, 1H), 1.76-2.08 (m, 10H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08299307B2
Source datasetuspto-grants-2012_10
ORD IDord-12b3002f106448bba12a851b4c8e5683
Source noteuspto-grants-2012_10