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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 585230Generated: October 30, 2026

Potassium Bromide → 3-{4-[2-(2-Cyclohexyl-5-methyl-oxazol-4-yl)-ethoxy]-phenyl}-2-methyl-2-(4-trifluoromethyl-phenoxy)-propionic Acid

https://huagongshe.com/reaction/585230

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium BromideHCID 253877—
ReactantToluene-4-sulfonic acid 2-(2-cyclohexyl-5-methyloxazol-4-yl)-ethyl esterHCID 22340021—
Reactant2-(4-Trifluoromethylphenoxy)-3-(4-hydroxyphenyl)-2-methyl-propionic acid ethyl esterHCID 69317382—
Product3-{4-[2-(2-Cyclohexyl-5-methyl-oxazol-4-yl)-ethoxy]-phenyl}-2-methyl-2-(4-trifluoromethyl-phenoxy)-propionic AcidHCID 22339975—

Reaction Steps

The title compound was prepared from 3-(4-hydroxyphenyl)-2-methyl-2-(4-trifluoromethyl-phenoxy)propionic acid ethyl ester and toluene-4-sulfonic acid 2-(2-cyclohexyl-5-methyl-oxazol-4-yl)-ethyl ester using the procedure of Example 50. 1H NMR (400 MHz, CDCl3) δ 7.48 (d, 2H, J=8.8 Hz), 7.16 (d, 2H, J=8.8 Hz), 6.95 (d, 2H, J=8.4 Hz), 6.78 (d, 2H, J=8.4 Hz), 4.11 (t, 2H, J=6.2 Hz), 3.24 and 3.15 (d of ABq, 2H, J=13.8 Hz), 2.95 (t, 2H, J=6.2 Hz), 2.85 (tt, 1H, J=11.6, 3.4 Hz), 2.30 (s, 3H), 2.03-1.95 (m, 2H), 1.83-1.74 (m, 2H), 1.73-1.68 (m, 1H), 1.58-1.47 (m, 1H), 1.49 (s, 3H), 1.38-1.17 (m, 4H). IR (KBr) 3400, 2937, 1735, 1614, 1513, 1328 cm−1. HRMS (ES+) m/z exact mass calcd for C29H33NO5F3 532.2311, found 532.2332.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06930120B2
Source datasetuspto-grants-2005_08
ORD IDord-18f7592b6875400ca597c7c9939b97a6
Source noteuspto-grants-2005_08