Diethyl ethylmalonate → 2-(6-Carbethoxy-6-phenylhexyl)cyclopent-2-en-1-one
Reaction equation
[C:1]([CH:6]([CH2:18][CH3:19])[CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][C:12]1[C:13](=[O:17])[CH2:14][CH2:15][CH:16]=1)([O:3][CH2:4][CH3:5])=[O:2].[CH2:20]([CH:22](C(OCC)=O)[C:23](OCC)=O)[CH3:21]>>[C:1]([CH:6]([C:18]1[CH:23]=[CH:22][CH:20]=[CH:21][CH:19]=1)[CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][C:12]1[C:13](=[O:17])[CH2:14][CH2:15][CH:16]=1)([O:3][CH2:4][CH3:5])=[O:2]Participants
3
Procedure
This cyclopentenone is prepared by the procedure described in Belgium Pat. No. 786,215 (Jan. 15, 1973) for the preparation of 2-(6-carbethoxyoctyl)cyclopent-2-en-1-one by substituting diethyl phenylmalonate for diethyl ethylmalonate.
Sources & evidence
- ORD record
- ord-00cc5561411e41808ec94ead5c092c9e
- Source dataset
- uspto-grants-1979_12
- Patent number
- US04180677