4,7-dichloro-3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-1-pentyl-1,3-dihydro-2H-indol-2-one → ethyl (4'-bromo-2'-oxo-5,6-dihydrospiro[benzo[1,2-b:5,4-b']difuran-3,3'-indol]-1'(2'H)-yl)acetate
Reaction equation
[Br:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[C:4]([C:20]1[C:21](O)=[CH:22][C:23]3[O:27][CH2:26][CH2:25][C:24]=3[CH:28]=1)([CH2:18][OH:19])[C:5](=[O:17])[N:6]2[CH2:11][C:12]([O:14][CH2:15][CH3:16])=[O:13].ClC1C=CC(Cl)=C2C=1C(C1C(O)=CC3OCOC=3C=1)(CO)C(=O)N2CCCCC>>[Br:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[C:4]1([CH2:18][O:19][C:21]3[CH:22]=[C:23]4[C:24](=[CH:28][C:20]1=3)[CH2:25][CH2:26][O:27]4)[C:5](=[O:17])[N:6]2[CH2:11][C:12]([O:14][CH2:15][CH3:16])=[O:13]Participants
3
Reactant 2
Product 1
Procedure
Following the procedure as described in EXAMPLE 1.22, and making non-critical variations using ethyl [4-bromo-3-(6-hydroxy-2,3-dihydro-1-benzofuran-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetate to replace 4,7-dichloro-3-(6-hydroxy-1,3-benzodioxol-5-yl)-3-(hydroxymethyl)-1-pentyl-1,3-dihydro-2H-indol-2-one, the title compound was obtained (41%) as a colorless solid: MS (ES+) m/z 445.5 (M+1).
Sources & evidence
- ORD record
- ord-52bd19b1e4be4e91a40b65c3336595bf
- Source dataset
- uspto-grants-2012_01
- Patent number
- US08106087B2
Reaction notes
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