3-(4-Hydroxy-phenyl)-2-methyl-2-o-tolyloxypropionic acid ethyl ester → 2-Methyl-3-{4-[2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-phenyl}-2-o-tolyloxy-propionic Acid
Reaction equation
C([O:3][C:4](=[O:23])[C:5]([CH3:22])([O:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[CH3:21])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([OH:13])=[CH:9][CH:8]=1)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]OS(C1C=CC(C)=CC=1)(=O)=O>>[CH3:22][C:5]([O:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=1[CH3:21])([CH2:6][C:7]1[CH:8]=[CH:9][C:10]([O:13][CH2:36][CH2:35][C:26]2[N:27]=[C:28]([C:30]3[S:31][CH:32]=[CH:33][CH:34]=3)[O:29][C:25]=2[CH3:24])=[CH:11][CH:12]=1)[C:4]([OH:3])=[O:23]Participants
3
Procedure
The title compound was prepared using the representative Standard Procedure (E) from 3-(4-Hydroxyphenyl)-2-methyl-2-o-tolyloxy-propionic acid ethyl ester and toluene-4-sulfonic acid 2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethyl ester. 1H NMR (400 MHz, CDCl3): • 7.59 (dd, 1H, J=3.91 Hz, 1.17 Hz), 7.36 (dd, 1H, J=3.91 Hz, 1.17 Hz), 7.14-7.11 (m, 3H), 7.08-7.04 (m, 2H), 6.91 (t, 1H, J=7.43 Hz), 6.82-6.77 (m, 3H), 4.15 (t, 2H, J=6.65 Hz), 3.25 (d, 1H, J=14.08 Hz), 3.19 (d, 1H, J=14.08 Hz), 2.94 (t, 2H, J=6.65 Hz), 2.33 (s, 3H), 2.17 (s, 3H, 1.48 (s, 3H). MS [ES+] m/z exact mass calcd for C27H28NO5S 478.1688, found 478.1676.
Sources & evidence
- ORD record
- ord-ff60401d70284dabac0bcc10ab3176d8
- Source dataset
- uspto-grants-2005_08
- Patent number
- US06930120B2
Reaction notes
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