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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1404571Generated: October 30, 2026

3-Methylisoxazole-5-carboxylic acid → 3-Chloro-3'-fluoro-4'-[(R)-1-({3-[(3-methyl-isoxazole-5-carbonyl)-amino]-oxetane-3-carbonyl}-amino)-ethyl]-biphenyl-2-carboxylic acid methyl ester

https://huagongshe.com/reaction/1404571

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Methylisoxazole-5-carboxylic acidHCID 853085—
Reactant4'-{(R)-1-[(3-Amino-oxetane-3-carbonyl)-amino]-ethyl}-3-chloro-3'-fluoro-biphenyl-2-carboxylic acid methyl esterHCID 67979497—
Product3-Chloro-3'-fluoro-4'-[(R)-1-({3-[(3-methyl-isoxazole-5-carbonyl)-amino]-oxetane-3-carbonyl}-amino)-ethyl]-biphenyl-2-carboxylic acid methyl esterHCID 57382837—

Reaction Steps

The title compound was prepared in analogy to example 1 using intermediate 4 instead of intermediate 1 and 3-methylisoxazole-5-carboxylic acid instead of 3-fluoro-5-(trifluoromethyl)benzoic acid and was obtained as white solid. MS: 516.1 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08912221B2
Source datasetuspto-grants-2014_12
ORD IDord-a4353adbf4434428b1b8cadffc294483
Source noteuspto-grants-2014_12