{(S)-6-[(R)-4-bromo-7-fluoro-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester → {(S)-6-[(R)-4-(3,5-Difluoro-benzyl)-7-fluoro-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

HRID 2406525Notes

Reaction equation

HRID 2406525 reaction equation
[CH3:1][O:2][C:3](=[O:26])[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)[CH:20]=[CH:21][C:22]=4[F:24])[CH2:17][CH2:16]3)=[CH:13][C:8]=2[O:7][CH2:6]1.[Br-].[F:28][C:29]1[CH:30]=[C:31]([CH:34]=[C:35]([F:37])[CH:36]=1)[CH2:32][Zn+]>C(C1C=CC=C(C(C)C)C=1N1C=CN(C2C(C(C)C)=CC=CC=2C(C)C)C1=[Pd-3](Cl)(Cl)C1C(Cl)=CC=CN=1)(C)C>[CH3:1][O:2][C:3](=[O:26])[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]([CH2:32][C:31]5[CH:30]=[C:29]([F:28])[CH:36]=[C:35]([F:37])[CH:34]=5)[CH:20]=[CH:21][C:22]=4[F:24])[CH2:17][CH2:16]3)=[CH:13][C:8]=2[O:7][CH2:6]1

Participants

4

Reactant 2

HCID 86697103{(S)-6-[(R)-4-bromo-7-fluoro-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl esterHCID 178505922HCID 178505922, compound

Product 1

HCID 86700790{(S)-6-[(R)-4-(3,5-Difluoro-benzyl)-7-fluoro-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

Reagents, catalysts & solvents 1

HCID 178439029HCID 178439029, compoundCatalyst

Procedure

The title compound is prepared from {(S)-6-[(R)-4-bromo-7-fluoro-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester and 3,5-difluoro-benzylzinc bromide following a procedure analogous to that described in Step 6 of Intermediate 1; [1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene]-(3-chloropyridyl)-palladium(II) dichloride (Pd-PEPPSI-IPr) is used as catalyst. LC (method 9): tR=0.91 min; Mass spectrum (ESI+): m/z=491 [M+Na]+.

Sources & evidence

ORD record
ord-ee689447eba7496ea2c252dd59f7a115
Source dataset
uspto-grants-2014_08
Patent number
US08809376B2

Reaction notes

Loading…