Water → 145486-31-3
Reaction equation
O.[CH2:2]([O:9][C:10]([CH3:14])([CH:12]=C)[CH3:11])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.I([O-])(=O)(=O)=[O:16].[Na+]>[Os](=O)(=O)(=O)=O.O1CCOCC1>[CH2:2]([O:9][C:10]([CH3:11])([CH3:14])[CH:12]=[O:16])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1Participants
6
Reactant 3
Product 1
Reagents, catalysts & solvents 2
Procedure
A mixture of 100 mL of water, 200 mL of dioxane, 20 g (0.11 mol) of 2-benzyloxy-2-methyl-3-butene and 1 g of osmium tetroxide was stirred at room temperature for 30 minutes then 51 g (0.22 mol) of finely ground sodium periodate was added in portions over 30 minutes. Stirring was continued for 2 hours then the mixture filtered and the filtrate extracted with several portions of ether. The combined extracts were dried over magnesium sulfate, filtered and the filtrate concentrated under vacuum. Distillation afforded 7.3 g (0.041 mol, 37%) of product, b.p. 85°-88° C. (2 mm).
Workup
- stirringStirring
- waitwas continued for 2 hours
- filtrationthe mixture filtered
- extractionthe filtrate extracted with several portions of ether
- dry with materialThe combined extracts were dried over magnesium sulfate
- filtrationfiltered
- concentrationthe filtrate concentrated under vacuum
- distillationDistillation
Sources & evidence
- ORD record
- ord-86bbd5393f244782978e3326ac084cc1
- Source dataset
- uspto-grants-1994_05
- Patent number
- US05310737
Reaction notes
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