6-(tetrahydro-2H-pyran-2-yloxy)-2-hexyn-1-ol → methyl-2,2-dimethyl4-[(4-{[6-(tetrahydro-2H-pyran-2-yloxy)-2-hexynyl]oxy}phenyl)sulfonyl]-3-thiomorpholine carboxylate
Reaction equation
[CH3:1][O:2][C:3]([CH:5]1[C:10]([CH3:12])([CH3:11])[S:9][CH2:8][CH2:7][N:6]1[S:13]([C:16]1[CH:21]=[CH:20][C:19]([OH:22])=[CH:18][CH:17]=1)(=[O:15])=[O:14])=[O:4].[O:23]1[CH2:28][CH2:27][CH2:26][CH2:25][CH:24]1[O:29][CH2:30][CH2:31][CH2:32][C:33]#[C:34][CH2:35]O>>[CH3:1][O:2][C:3]([CH:5]1[C:10]([CH3:12])([CH3:11])[S:9][CH2:8][CH2:7][N:6]1[S:13]([C:16]1[CH:17]=[CH:18][C:19]([O:22][CH2:35][C:34]#[C:33][CH2:32][CH2:31][CH2:30][O:29][CH:24]2[CH2:25][CH2:26][CH2:27][CH2:28][O:23]2)=[CH:20][CH:21]=1)(=[O:15])=[O:14])=[O:4]Participants
3
Reactant 2
Product 1
Procedure
According to the procedure of Step 4 of Example 243, Mitsunobu coupling of 3.4 g (9.842 mmol) of 4-(4-hydroxy-benzenesulfonyl)-2,2-dimethyl-thiomorpholine-3-carboxylic acid methyl ester and 2.34 g (11.81 mmol) of 6-(tetrahydro-2H-pyran-2-yloxy)-2-hexyn-1-ol provided 3.33g (64%) of methyl-2,2-dimethyl4-[(4-{[6-(tetrahydro-2H-pyran-2-yloxy)-2-hexynyl]oxy}phenyl)sulfonyl]-3-thiomorpholine carboxylate as a colorless oil. Electrospray Mass Spec: 526.3 (M+H)+
Sources & evidence
- ORD record
- ord-b86b303d338a4642a0ab968c72930c84
- Source dataset
- uspto-grants-2001_05
- Patent number
- US06225311B1
Reaction notes
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