11-Bromo-1-tetrahydropyranyloxyundecane → 11-(4-Methylphenyl)sulfonyl-1-tetrahydropyranyloxyundecane
Reaction equation
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([CH2:11][CH2:12][CH2:13]OC2CCCCO2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.BrCCC[CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][CH2:30][CH2:31][CH2:32][O:33][CH:34]1[CH2:39][CH2:38][CH2:37][CH2:36][O:35]1>>[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([S:8]([CH2:11][CH2:12][CH2:13][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][CH2:30][CH2:31][CH2:32][O:33][CH:34]2[CH2:39][CH2:38][CH2:37][CH2:36][O:35]2)(=[O:9])=[O:10])=[CH:6][CH:7]=1Participants
3
Procedure
As in Example 2a 13.57 g (40.5 mmol) of 1b give, after column chromatography, 13.82 g (83%) of practically colorless oil.
Sources & evidence
- ORD record
- ord-29feb920a698427eb6e7f650fce5e29c
- Source dataset
- uspto-grants-1996_05
- Patent number
- US05517350
Reaction notes
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