3a,4,5,7a-Tetrahydro-2-benzofuran-1,3-dione → HCID 53659511, compound
Reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[C:4]([O:10][CH2:11][CH3:12])[CH:3]=1.[C:13]1(=[O:23])[O:18][C:16](=[O:17])[CH:15]2[CH2:19][CH2:20][CH:21]=[CH:22][CH:14]12>>[CH2:11]([O:10][C:4]1[CH:3]=[C:2]([CH:7]=[CH:6][C:5]=1[O:8][CH3:9])[C:13]([C@H:14]1[CH2:22][CH:21]=[CH:20][CH2:19][C@H:15]1[C:16]([OH:18])=[O:17])=[O:23])[CH3:12]Participants
3
Procedure
Prepared from 1-Bromo-3-ethoxy-4-methoxybenzene and tetrahydrophthalic anhydride as described for compound D. M.p. 132-135° C.
Sources & evidence
- ORD record
- ord-b07b7209c93c4adc9d13cc0ee58555fe
- Source dataset
- uspto-grants-2000_08
- Patent number
- US06103718
Reaction notes
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