1-(diphenylmethyl)-3-(2-hydroxy-4-methoxy-5-methylphenyl)-1,3-dihydro-2H-indol-2-one → 1'-(diphenylmethyl)-5,6-difluorospiro[1-benzofuran-3,3'-indol]-2'(1'H)-one

HRID 1407604Notes

Reaction equation

HRID 1407604 reaction equation
[F:1][C:2]1[C:7]([F:8])=[CH:6][C:5]([CH:9]2[C:17]3[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=3)[N:11]([CH:18]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)[C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)[C:10]2=[O:31])=[C:4]([OH:32])[CH: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>>[C:19]1([CH:18]([C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=2)[N:11]2[C:12]3[C:17](=[CH:16][CH:15]=[CH:14][CH:13]=3)[C:9]3([C:5]4[CH:6]=[C:7]([F:8])[C:2]([F:1])=[CH:3][C:4]=4[O:32][CH2:33]3)[C:10]2=[O:31])[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1

Participants

3

Reactant 2

HCID 673563761-(diphenylmethyl)-3-(2-hydroxy-4-methoxy-5-methylphenyl)-1,3-dihydro-2H-indol-2-oneHCID 673572403-(4,5-difluoro-2-hydroxyphenyl)-1-(diphenylmethyl)-1,3-dihydro-2H-indol-2-one

Product 1

HCID 593520761'-(diphenylmethyl)-5,6-difluorospiro[1-benzofuran-3,3'-indol]-2'(1'H)-one

Procedure

Following the procedure as described in EXAMPLE 2 and making non-critical variations using 3-(4,5-difluoro-2-hydroxyphenyl)-1-(diphenylmethyl)-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, 1′-(diphenylmethyl)-5,6-difluorospiro[1-benzofuran-3,3′-indol]-2′(1′H)-one was obtained (70%) as a colorless solid: mp 213-216° C.; 1H NMR (300 MHz, CDCl3) δ 7.41-7.26 (m, 10H), 7.15-7.12 (m, 1H), 7.08-6.97 (m, 3H), 6.78 (dd, J=10.5, 6.3 Hz, 1H), 6.54 (d, J=8.4 Hz, 1H), 6.44 (dd, J=9.0, 7.8 Hz, 1H), 5.03 (d, J=9.0 Hz, 1H), 4.77 (d, J=9.3 Hz, 1H); 13C NMR (75 MHz, CDCl3) δ 176.8, 156.6 (d, J=11.0 Hz), 151.2 (dd, JC-F=248.2, 14.5 Hz), 145.6 (dd, JC-F=241.5, 13.9 Hz), 141.7, 137.4, 137.1, 131.5, 128.8, 128.8, 128.7, 128.3, 128.3, 128.1, 128.0, 124.2 (dd, J=6.4, 3.3 Hz), 123.8, 123.3, 112.4, 111.5 (dd, J=20.4, 1.6 Hz), 100.1 (d, J=22.4), 80.8, 58.9, 57.5; MS (ES+) m/z 440.2 (M+1).

Sources & evidence

ORD record
ord-509d59ded0f445c5a775a4a49092dfa4
Source dataset
uspto-grants-2014_12
Patent number
US08916580B2

Reaction notes

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