2-(5-Methyl-2-thiophen-2-yloxazol-4-yl)ethyl tosylate → 2-{4-[2-(5-Methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-benzyl}-2-phenoxy-butyric Acid

HRID 585226Notes

Reaction equation

HRID 585226 reaction equation
C([O:3][C:4](=[O:23])[C:5]([CH2:15][C:16]1[CH:21]=[CH:20][C:19](O)=[CH:18][CH:17]=1)([O:8][C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)[CH2:6][CH3:7])C.[CH3:24][C:25]1[O:29][C:28]([C:30]2[S:31][CH:32]=[CH:33][CH:34]=2)=[N:27][C:26]=1[CH2:35][CH2:36][O:37]S(C1C=CC(C)=CC=1)(=O)=O>>[CH3:24][C:25]1[O:29][C:28]([C:30]2[S:31][CH:32]=[CH:33][CH:34]=2)=[N:27][C:26]=1[CH2:35][CH2:36][O:37][C:19]1[CH:20]=[CH:21][C:16]([CH2:15][C:5]([O:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)([CH2:6][CH3:7])[C:4]([OH:23])=[O:3])=[CH:17][CH:18]=1

Participants

3

Reactant 2

HCID 223400422-(5-Methyl-2-thiophen-2-yloxazol-4-yl)ethyl tosylateHCID 69320315HCID 69320315, compound

Product 1

HCID 223400382-{4-[2-(5-Methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-benzyl}-2-phenoxy-butyric Acid

Procedure

The title compound was prepared from 2-(4-hydroxybenzyl)-2-phenoxybutyric acid ethyl ester and toluene-4-sulfonic acid 2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethyl ester using the method of Example 46. 1H NMR (400 MHz, CDCl3) δ 7.59 (dd, 1H, J=3.6, 0.8 Hz), 7.37 (dd, 1H, J=5.2, 1.2 Hz), 7.33-7.27 (m, 2H), 7.09-7.05 (m, 2H), 7.02-6.96 (m, 4H), 6.78-6.73 (m, 2H), 4.16 (t, 2H, J=6.6 Hz), 3.29 (s, 2H), 2.94 (t, 2H, J=6.6 Hz), 2.34 (s, 3H), 2.14 (qd, 1H, J=14.8, 7.6 Hz), 2.07 (qd, 1H, J=14.8, 7.6 Hz), 0.91 (t, 3H, J=7.6 Hz).

Sources & evidence

ORD record
ord-8b1399bcbc1049749e811c0e71eaa322
Source dataset
uspto-grants-2005_08
Patent number
US06930120B2

Reaction notes

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