1-(diphenylmethyl)-3-(2-hydroxy-4-methoxy-5-methylphenyl)-1,3-dihydro-2H-indol-2-one → 2,2-difluoro-1'-{[5-(trifluoromethyl)furan-2-yl]methyl}spiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-2'(1'H)-one

HRID 2385174Notes

Reaction equation

HRID 2385174 reaction equation
[F:1][C:2]1([F:32])[O:6][C:5]2[CH:7]=[C:8]([OH:31])[C:9]([CH:11]3[C:19]4[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=4)[N:13]([CH2:20][C:21]4[O:22][C:23]([C:26]([F:29])([F:28])[F:27])=[CH:24][CH:25]=4)[C:12]3=[O:30])=[CH:10][C:4]=2[O:3]1.[C:33]1(C(C2C=CC=CC=2)N2C3C(=CC=CC=3)C(C3C=C(C)C(OC)=CC=3O)C2=O)C=CC=CC=1>>[F:32][C:2]1([F:1])[O:6][C:5]2[CH:7]=[C:8]3[O:31][CH2:33][C:11]4([C:19]5[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=5)[N:13]([CH2:20][C:21]5[O:22][C:23]([C:26]([F:28])([F:29])[F:27])=[CH:24][CH:25]=5)[C:12]4=[O:30])[C:9]3=[CH:10][C:4]=2[O:3]1

Participants

3

Reactant 2

HCID 673563761-(diphenylmethyl)-3-(2-hydroxy-4-methoxy-5-methylphenyl)-1,3-dihydro-2H-indol-2-oneHCID 673564293-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-1-{[5-(trifluoromethyl)furan-2-yl]methyl}-1,3-dihydro-2H-indol-2-one

Product 1

HCID 461944342,2-difluoro-1'-{[5-(trifluoromethyl)furan-2-yl]methyl}spiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-2'(1'H)-one

Procedure

Following the procedure as described in EXAMPLE 2 and making non-critical variations using 3-(2,2-difluoro-6-hydroxy-1,3-benzodioxol-5-yl)-1-{[5-(trifluoromethyl)furan-2-yl]methyl}-1,3-dihydro-2H-indol-2-one to replace 1-(diphenylmethyl)-3-(2-hydroxy-4-methoxy-5-methylphenyl)-1,3-dihydro-2H-indol-2-one, 2,2-difluoro-1′-{[5-(trifluoromethyl)furan-2-yl]methyl}spiro[furo[2,3-f][1,3]benzodioxole-7,3′-indol]-2′(1′H)-one was obtained (55%) as an off-white solid: mp 59-60° C. (recrystallized from the melt); 1H NMR (300 MHz, CDCl3) δ7.37-7.30 (m, 1H), 7.21-7.15 (m, 1H), 7.14-7.07 (m, 1H), 7.02 (d, J=7.9 Hz, 1H), 6.79-6.74 (m, 1H), 6.72 (s, 1H), 6.44-6.40 (m, 1H), 6.36 (s, 1H), 5.12-4.83 (m, 3H), 4.73 (d, J=9.1 Hz, 1H); 13C NMR (75 MHz, CDCl3) δ 176.7, 157.0, 151.8, 144.7, 142.2, 141.7, 141.5, 138.5, 135.4, 132.0, 131.4, 129.6, 128.6, 124.2, 122.4, 120.7, 117.1, 112.8, 109.6, 109.3, 104.6, 94.4, 80.6, 58.0, 37.1; MS (ES+) m/z 465.7 (M+1).

Sources & evidence

ORD record
ord-827908532b134b5e972fadad7cb1b562
Source dataset
uspto-grants-2012_09
Patent number
US08263606B2

Reaction notes

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