methyl 3-{[3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]methyl}benzoate → methyl 3-[(2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)methyl]benzoate
Reaction equation
[OH:1][C:2]1[C:3]([C:11]2([CH2:32]O)[C:19]3[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=3)[N:13]([CH2:20][C:21]3[CH:22]=[C:23]([CH:28]=[CH:29][CH:30]=3)[C:24]([O:26][CH3:27])=[O:25])[C:12]2=[O:31])=[CH:4][C:5]2[O:9][CH2:8][O:7][C:6]=2[CH:10]=1.C1(CCN2C3C(=CC=CC=3)C(C3C(O)=CC4OCOC=4C=3)(CO)C2=O)CC1>>[O:31]=[C:12]1[C:11]2([C:3]3=[CH:4][C:5]4[O:9][CH2:8][O:7][C:6]=4[CH:10]=[C:2]3[O:1][CH2:32]2)[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[N:13]1[CH2:20][C:21]1[CH:22]=[C:23]([CH:28]=[CH:29][CH:30]=1)[C:24]([O:26][CH3:27])=[O:25]Participants
Reactant 2
Product 1
Procedure
Following the procedure as described in EXAMPLE 1, and making non-critical variations using methyl 3-{[3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]methyl}benzoate to replace 1-(2-cyclopropylethyl)-3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-1,3-dihydro-2H-indol-2-one, the title compound was obtained as a white powder in 73% yield; 1H NMR (300 MHz, CDCl3) δ 7.97-7.95 (m, 2H), 7.53-7.50 (m, 1H), 7.45-7.40 (m, 1H), 7.21-7.15 (m, 2H), 7.04-6.99 (m, 1H), 6.73-6.71 (m, 1H), 6.52 (s, 1H), 6.20 (s, 1H), 5.86 (s, 1H), 5.18 (d, 1H), 4.72 (d, 1H), 4.80 (d, 1H), 4.69 (d, 1H), 3.89 (s, 1H); 13C NMR (75 MHz, CDCl3) δ 177.7, 166.6, 156.0, 149.0, 142.4, 141.7, 136.1, 132.2, 131.7, 130.9, 129.2, 128.1, 124.0, 123.7, 119.4, 109.2, 103.1, 101.6, 93.7, 80.5, 64.3, 58.3, 52.3, 43.7; MS (ES+) m/z 430 (M+1).
Sources & evidence
- ORD record
- ord-06f76fe1c25d42fa835a80a14c32ab36
- Source dataset
- uspto-grants-2011_05
- Patent number
- US07935721B2
Reaction notes
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