1-Butynyltrimethylsilane → 3-(But-1-yn-1-yl)-7-methoxybenzofuran
Reaction equation
FC(F)(F)S(O[C:7]1[C:11]2[CH:12]=[CH:13][CH:14]=[C:15]([O:16][CH3:17])[C:10]=2[O:9][CH:8]=1)(=O)=O.[C:20]([Si](C)(C)C)#[C:21][CH2:22][CH3:23]>>[C:20]([C:7]1[C:11]2[CH:12]=[CH:13][CH:14]=[C:15]([O:16][CH3:17])[C:10]=2[O:9][CH:8]=1)#[C:21][CH2:22][CH3:23]Participants
3
Procedure
The title compound was prepared from 7-methoxybenzofuran-3-yl trifluoromethanesulfonate and Intermediate 39 following General Procedure B. 1H NMR (DMSO-d6, 400 MHz): δ 8.24 (s, 1H), 7.26 (t, 1H), 7.17 (d, 1H), 6.99 (d, 1H), 3.94 (s, 3H), 2.52-2.47 (m, 2H), 1.21 (t, 3H). LCMS: 201 (M+H)+.
Sources & evidence
- ORD record
- ord-07b85c30b506421bbd80528d956653af
- Source dataset
- uspto-grants-2016_07
- Patent number
- US09399646B2
Reaction notes
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