Boron Trichloride → HCID 66651896, compound
Reaction equation
C[O:2][C:3]1[CH:12]=[C:11]([O:13][CH3:14])[CH:10]=[C:9]2[C:4]=1[C:5](=[O:26])[CH:6]([C:18]1[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=1)[CH:7]1[CH2:17][CH2:16][CH2:15][CH:8]12.B(Cl)(Cl)Cl>>[OH:2][C:3]1[CH:12]=[C:11]([O:13][CH3:14])[CH:10]=[C:9]2[C:4]=1[C:5](=[O:26])[CH:6]([C:18]1[CH:19]=[CH:20][C:21]([O:24][CH3:25])=[CH:22][CH:23]=1)[CH:7]1[CH2:17][CH2:16][CH2:15][CH:8]12Participants
3
Procedure
Combine 6,8-Dimethoxy-4-(4-methoxy-phenyl)-1,2,3,3a,4,9b-hexahydro-cyclopenta[a]naphthalen-5-one (0.15 g, 0.43 mmol), boron trichloride (2.1 ml, 1.0M in methylene chloride), and Ch2Cl2 (10 ml). Stir 3.5 hours at r.t. Quench with methanol, add water and extract with ethyl acetate. Wash with water, dry and concentrate in vacuo to give the titled compound (0.148 g, 100%). MS m/z 339 (M−1).
Workup
- customQuench with methanol
- additionadd water
- extractionextract with ethyl acetate
- washWash with water
- customdry
- concentrationconcentrate in vacuo
Sources & evidence
- ORD record
- ord-85f8fa4f210f43cda6c7ee14a182d1d7
- Source dataset
- uspto-grants-2012_01
- Patent number
- US08093302B2
Reaction notes
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