Methanol → HCID 12274826, compound
Reaction equation
[Br:1][CH:2]1[CH:11](Br)[C:7]2[S:8][CH:9]=[CH:10][C:6]=2[C:5](=[O:13])[C:4]2[CH:14]=[CH:15][CH:16]=[CH:17][C:3]1=2.[CH3:18][OH:19]>>[Br:1][CH:2]1[CH:11]([O:19][CH3:18])[C:7]2[S:8][CH:9]=[CH:10][C:6]=2[C:5](=[O:13])[C:4]2[CH:14]=[CH:15][CH:16]=[CH:17][C:3]1=2Participants
3
Reactant 2
Product 1
Procedure
A suspension of 20 g of 9,10-dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[ 1,2-b]thiophen-4-one in 400 cc of methanol is boiled at reflux for 5 hours. 9-Bromo-9,10-dihydro-10-methoxy- 4H-benzo [4,5]cyclohepta[1,2-b]-thiophen-4-one (M.P. 103°-106°) is obtained.
Workup
- temperatureat reflux for 5 hours
Sources & evidence
- ORD record
- ord-b40661beed2e4f2eab99698e17d64ed6
- Source dataset
- uspto-grants-1978_12
- Patent number
- US04128549
Reaction notes
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