{(S)-6-[(R)-4-bromo-5-cyano-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester → {(S)-6-[(R)-5-cyano-4-(4-methoxy-benzyl)-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester
Reaction equation
[CH3:1][O:2][C:3](=[O:27])[CH2:4][C@H:5]1[C:9]2[CH:10]=[CH:11][C:12]([O:14][C@H:15]3[C:23]4[C:18](=[C:19](Br)[C:20]([C:24]#[N:25])=[CH:21][CH:22]=4)[CH2:17][CH2:16]3)=[CH:13][C:8]=2[O:7][CH2:6]1.[Cl-].[CH3:29][O:30][C:31]1[CH:38]=[CH:37][C:34]([CH2:35][Zn+])=[CH:33][CH:32]=1>>[CH3:1][O:2][C:3](=[O:27])[CH2:4][C@H:5]1[C:9]2[CH:10]=[CH:11][C:12]([O:14][C@H:15]3[C:23]4[C:18](=[C:19]([CH2:35][C:34]5[CH:37]=[CH:38][C:31]([O:30][CH3:29])=[CH:32][CH:33]=5)[C:20]([C:24]#[N:25])=[CH:21][CH:22]=4)[CH2:17][CH2:16]3)=[CH:13][C:8]=2[O:7][CH2:6]1Participants
3
Procedure
The title compound is prepared from {(S)-6-[(R)-4-bromo-5-cyano-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester and 4-methoxy-benzylzinc chloride following a procedure analogous to that described in Step 6 of Intermediate 1. LC (method 4): tR=1.22 min; Mass spectrum (ESI+): m/z=492 [M+Na]+.
Sources & evidence
- ORD record
- ord-c6bab86cb8e24f41966f58730a530c78
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08809376B2
Reaction notes
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