Diethyl Oxalate → HCID 21314613, compound
Reaction equation
[C:1]([C:4]1[CH:13]=[C:12]2[C:7]([CH2:8][CH2:9][CH2:10][CH2:11]2)=[C:6]([Br:14])[C:5]=1[OH:15])(=[O:3])[CH3:2].[Na].[C:17](OCC)(=O)[C:18]([O:20][CH2:21][CH3:22])=[O:19]>>[Br:14][C:6]1[C:5]2[O:15][C:17]([C:18]([O:20][CH2:21][CH3:22])=[O:19])=[CH:2][C:1](=[O:3])[C:4]=2[CH:13]=[C:12]2[C:7]=1[CH2:8][CH2:9][CH2:10][CH2:11]2Participants
4
Procedure
The product of step (a) (5.3 g) was treated with sodium (2.3 g) and diethyl oxalate (7.3 g) under the conditions of Example 1(d) to give the title ester (5.0 g; 72%), mp 130°-132°.
Sources & evidence
- ORD record
- ord-5a5a52306df64f45b3f468e9e863d39b
- Source dataset
- uspto-grants-1979_06
- Patent number
- US04159273
Reaction notes
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