Ethyl (2S)-2-ethoxy-3-(4-hydroxyphenyl)propanoate → (E)-(S)-ethyl 3-{4-[3-(2',3'-dichloro-biphenyl-4-yl)-but-2-enyloxy]-phenyl}-2-ethoxy-propionate
Reaction equation
[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][CH:5]=[CH:4][C:3]=1[C:9]1[CH:14]=[CH:13][C:12](/[C:15](/[CH3:19])=[CH:16]/[CH2:17][OH:18])=[CH:11][CH:10]=1.[CH2:20]([O:22][C@@H:23]([CH2:29][C:30]1[CH:35]=[CH:34][C:33](O)=[CH:32][CH:31]=1)[C:24]([O:26][CH2:27][CH3:28])=[O:25])[CH3:21]>>[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][CH:5]=[CH:4][C:3]=1[C:9]1[CH:14]=[CH:13][C:12](/[C:15](/[CH3:19])=[CH:16]/[CH2:17][O:18][C:33]2[CH:32]=[CH:31][C:30]([CH2:29][C@H:23]([O:22][CH2:20][CH3:21])[C:24]([O:26][CH2:27][CH3:28])=[O:25])=[CH:35][CH:34]=2)=[CH:11][CH:10]=1Participants
3
Procedure
The title compound (0.41 g, 80% yield) was prepared from (E)-3-(2′,3′-dichloro-biphenyl-4-yl)-but-2-en-1-ol (0.293 g, 1.0 mmol) and (S)-ethyl 2-ethoxy-3-(4-hydroxyphenyl)-propionate (0.25 g, 1.05 mmol) by a procedure analogous to that described in example 52 c.
Sources & evidence
- ORD record
- ord-a7079e93d77c4df999e326e551e472dd
- Source dataset
- uspto-grants-2005_03
- Patent number
- US06867218B2
Reaction notes
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