methyl 2-{[3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]methyl}benzoate → methyl 2-[(2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)methyl]benzoate
Reaction equation
O[C:2]1[C:3]([C:11]2([CH2:32][OH:33])[C:19]3[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=3)[N:13]([CH2:20][C:21]3[CH:30]=[CH:29][CH:28]=[CH:27][C:22]=3[C:23]([O:25][CH3:26])=[O:24])[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:33][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:30]=[CH:29][CH:28]=[CH:27][C:22]=1[C:23]([O:25][CH3:26])=[O:24]Participants
Reactant 2
Product 1
Procedure
Following the procedure as described in EXAMPLE 1, and making non-critical variations using methyl 2-{[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 74% yield: mp 166-167° C.; 1H NMR (300 MHz, CDCl3) δ 8.05 (m, 1H), 7.44 (m, 1H), 7.34 (t, 1H), 7.22-7.10 (m, 3H), 7.03 (m, 1H), 6.70 (d, 1H), 6.52 (s, 1H), 6.21 (s, 1H), 5.90-5.84 (m, 2H), 5.52-5.33 (m, 2H), 4.99 (d, 1H), 4.72 (d, 1H), 3.95 (s, 3H); 13C NMR (75 MHz, CDCl3) δ 177.8, 167.5, 156.0, 148.9, 142.4, 142.3, 137.4, 132.8, 132.1, 131.4, 129.0, 128.6, 127.4, 126.5, 123.9, 123.6, 119.4, 109.5, 103.1, 101.5, 93.7, 80.7, 58.4, 52.3, 42.4; MS (ES+) m/z 430.3 (M+1), 452.3 (M+23).
Sources & evidence
- ORD record
- ord-77636fcb9f5a4576944112abc641a974
- Source dataset
- uspto-grants-2012_01
- Patent number
- US08106087B2
Reaction notes
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