Water → Methanesulfonic acid 3-pyridin-4-yl-[1,2,4]oxadiazol-5-ylmethyl ester
Reaction equation
[CH3:1][S:2](Cl)(=[O:4])=[O:3].[N:6]1[CH:11]=[CH:10][C:9]([C:12]2[N:16]=[C:15]([CH2:17][OH:18])[O:14][N:13]=2)=[CH:8][CH:7]=1.C(N(CC)CC)C.O>C(Cl)Cl>[N:6]1[CH:7]=[CH:8][C:9]([C:12]2[N:16]=[C:15]([CH2:17][O:18][S:2]([CH3:1])(=[O:4])=[O:3])[O:14][N:13]=2)=[CH:10][CH:11]=1Participants
6
Procedure
Methanesulfonyl chloride (0.50 ml, 6.50 mmol) was added to a stirred solution of (3-pyridin-4-yl-[1,2,4]oxadiazol-5-yl)methanol (1 g, 5.65 mmol) and triethylamine (0.953 ml, 6.78 mmol) in CH2Cl2 (30 ml) at 0° C. After 10 min, water (20 ml) was added and the aqueous phase extracted with CH2Cl2 (20 ml). The combined organic phases were dried (MgSO4) and evaporated to afford the title compound: RT=2.32 min; m/z (ES+)=256.0 [M+H]+.
Workup
- extractionthe aqueous phase extracted with CH2Cl2 (20 ml)
- dry with materialThe combined organic phases were dried (MgSO4)
- customevaporated
Sources & evidence
- ORD record
- ord-d3ce24e9c3d44bf7bc856bcc84bcd56f
- Source dataset
- uspto-grants-2012_06
- Patent number
- US08207147B2
Reaction notes
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