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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 553704Generated: October 27, 2026

Ethyl 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanoate → 2-(4'-{4-[(R)-1-(2-Fluoro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-4-yl)-propionic acid ethyl ester

https://huagongshe.com/reaction/553704

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanoateHCID 58539349—
Reactant[5-(4-bromo-phenyl)-3-methyl-isoxazol-4-yl]-carbamic acid (R)-1-(2-fluoro-phenyl)-ethyl esterHCID 67350613—
Product2-(4'-{4-[(R)-1-(2-Fluoro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-4-yl)-propionic acid ethyl esterHCID 67352935—

Reaction Steps

Following the procedure described in Example 36, Step 6, [5-(4-bromo-phenyl)-3-methyl-isoxazol-4-yl]-carbamic acid (R)-1-(2-fluoro-phenyl)-ethyl ester and 2-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propionic acid ethyl ester were reacted to provide 2-(4′-{4-[(R)-1-(2-Fluoro-phenyl)-ethoxycarbonylamino]-3-methyl-isoxazol-5-yl}-biphenyl-4-yl)-propionic acid ethyl ester, which was hydrolyzed to the acid as described in Example 17, Step 3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08048902B2
Source datasetuspto-grants-2011_11
ORD IDord-c54a5cf1377a4909932ccad2ccf64456
Source noteuspto-grants-2011_11