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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 927793Generated: October 26, 2026

L-Leucine, ethyl ester, hydrochloride (1:1) → (S)-Ethyl 2-(5-cyclopropyl-6-(4-fluorobenzyl)picolinamido)-4-methylpentanoate

https://huagongshe.com/reaction/927793

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-Leucine, ethyl ester, hydrochloride (1:1)HCID 11658447—
Reactant5-Cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carboxylic acidHCID 71087698—
Product(S)-Ethyl 2-(5-cyclopropyl-6-(4-fluorobenzyl)picolinamido)-4-methylpentanoateHCID 86674796—

Reaction Steps

The title compound was synthesized in analogy to Example 1, using 5-cyclopropyl-6-(4-fluoro-benzyl)-pyridine-2-carboxylic acid (Example 155 g) and (S)-ethyl 2-amino-4-methylpentanoate hydrochloride (CAN 2743-40-0) as starting materials. MS (EI): m/e=413.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09290451B2
Source datasetuspto-grants-2016_03
ORD IDord-dcf3a99140564afe9796f00dfe4fe5b8
Source noteuspto-grants-2016_03