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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1667384Generated: October 26, 2026

2-(3-Aminophenyl)ethan-1-ol → Cyclopentyl N-[2-(3-{6-amino-5-[(4-fluorophenyl)carbonyl]-2-oxopyridin-1(2H)-yl}phenyl)ethyl]-L-leucinate

https://huagongshe.com/reaction/1667384

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(3-Aminophenyl)ethan-1-olHCID 14938987—
Reactant(S)-cyclopentyl 2-amino-4-methylpentanoateHCID 53718217—
ReactantMethanesulfonic acid 2-{4-[6-amino-5-(4-fluoro-benzoyl)-2-oxo-2H-pyridin-1-yl]-phenyl}-ethyl esterHCID 58608538—
ProductCyclopentyl N-[2-(3-{6-amino-5-[(4-fluorophenyl)carbonyl]-2-oxopyridin-1(2H)-yl}phenyl)ethyl]-L-leucinateHCID 57658334—

Reaction Steps

Example 70 was synthesised using similar methodology to Intermediate 4J (instead using 3-aminophenethyl alcohol) and L-Leucine cyclopentyl ester (Intermediate 8).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044211B2
Source datasetuspto-grants-2011_10
ORD IDord-734c844e101f480aa573bb3fe8d82c39
Source noteuspto-grants-2011_10