ethyl [4-bromo-3-(6-hydroxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-5-yl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetate → ethyl [4-bromo-3-(6-hydroxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetate

HRID 425511Notes

Reaction equation

HRID 425511 reaction equation
BrC1C=CC=C2C=1C(C1C(O)=CC3OCOC=3C=1)[C:5](=[O:16])N2CCCCC.[Br:27][C:28]1[CH:36]=[CH:35][CH:34]=[C:33]2[C:29]=1[CH:30]([C:44]1[C:45]([OH:55])=[CH:46][C:47]3[O:51][C:50]([CH3:53])([CH3:52])[CH2:49][C:48]=3[CH:54]=1)[C:31](=[O:43])[N:32]2[CH2:37][C:38]([O:40][CH2:41][CH3:42])=[O:39]>>[Br:27][C:28]1[CH:36]=[CH:35][CH:34]=[C:33]2[C:29]=1[C:30]([C:44]1[C:45]([OH:55])=[CH:46][C:47]3[O:51][C:50]([CH3:52])([CH3:53])[CH2:49][C:48]=3[CH:54]=1)([CH2:5][OH:16])[C:31](=[O:43])[N:32]2[CH2:37][C:38]([O:40][CH2:41][CH3:42])=[O:39]

Participants

3

Reactant 2

HCID 58872473ethyl [4-bromo-3-(6-hydroxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-5-yl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetateHCID 588725004-bromo-3-(6-hydroxy-1,3-benzodioxol-5-yl)-1-pentyl-1,3-dihydro-2H-indol-2-one

Product 1

HCID 58872464ethyl [4-bromo-3-(6-hydroxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-5-yl)-3-(hydroxymethyl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetate

Procedure

Following the procedure as described in PREPARATION 1E, and making non-critical variations to replace 4-bromo-3-(6-hydroxy-1,3-benzodioxol-5-yl)-1-pentyl-1,3-dihydro-2H-indol-2-one with ethyl [4-bromo-3-(6-hydroxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-5-yl)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetate, the title compound was obtained (25%): MS (ES+) m/z 490.5 (M+1), 492.5 (M+1).

Sources & evidence

ORD record
ord-9b33fe2a825744f9b9cf9a2f2a0fa61f
Source dataset
uspto-grants-2012_01
Patent number
US08106087B2

Reaction notes

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