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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1393443Generated: November 1, 2026

2-(5-Methyl-2-thiophen-2-yloxazol-4-yl)ethyl tosylate → (S)-2-Methyl-3-{4-[2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-phenyl}-2-(4-trifluoromethyl-phenoxy)-propionic Acid

https://huagongshe.com/reaction/1393443

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(5-Methyl-2-thiophen-2-yloxazol-4-yl)ethyl tosylateHCID 22340042—
ReactantHCID 69318029HCID 69318029—
Product(S)-2-Methyl-3-{4-[2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-phenyl}-2-(4-trifluoromethyl-phenoxy)-propionic AcidHCID 60024287—

Reaction Steps

The title compound was prepared from (S)-3-(4-hydroxyphenyl)-2-methyl-2-(4-trifluoromethyl-phenoxy)-propionic acid ethyl ester (95% ee; Chiralpak AD separation, 8×27 cm, 10% IPA/heptane, 275 nm) and toluene-4-sulfonic acid 2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethyl ester by the procedure described in Example 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07345070B2
Source datasetuspto-grants-2008_03
ORD IDord-4488667a06404eb8baf2f511644708b0
Source noteuspto-grants-2008_03