Tert-butyl{4-chloro-2-[(trimethylsilyl)ethynyl]phenoxy}acetate → 2-Trimethylsilylethynyl-1-methyl-4-(propylsulfonyl)benzene
Reaction equation
C(OC(=O)COC1C=CC(Cl)=CC=1[C:16]#[C:17][Si:18]([CH3:21])([CH3:20])[CH3:19])(C)(C)C.Br[C:24]1[CH:29]=[C:28]([S:30]([CH2:33][CH2:34][CH3:35])(=[O:32])=[O:31])[CH:27]=[CH:26][C:25]=1[CH3:36]>>[CH3:19][Si:18]([CH3:21])([CH3:20])[C:17]#[C:16][C:24]1[CH:29]=[C:28]([S:30]([CH2:33][CH2:34][CH3:35])(=[O:32])=[O:31])[CH:27]=[CH:26][C:25]=1[CH3:36]Participants
3
Procedure
Following the general method as outlined in Intermediate 2, starting from 2-bromo-1-methyl-4-(propylsulfonyl)benzene (Intermediate 37) and trimethylsilylacetilene, the title compound was obtained as a brown liquid in 75% yield.
Sources & evidence
- ORD record
- ord-1514f0eb6b344b8c8b809265320dca2b
- Source dataset
- uspto-grants-2012_09
- Patent number
- US08273769B2
Reaction notes
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