2-Cyclopenten-1-one → 5,6-Diphenyl-2,3,3a,4,7,7a-hexahydro-1H-inden-1-one
Reaktionsgleichung
[C:1]1([C:7]([C:9]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)=[CH2:10])=[CH2:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:17]1(=[O:22])[CH2:21][CH2:20][CH:19]=[CH:18]1>C1(C)C=CC=CC=1>[C:1]1([C:7]2[CH2:8][CH:20]3[CH:21]([CH2:10][C:9]=2[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][CH:16]=2)[C:17](=[O:22])[CH2:18][CH2:19]3)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A mixture of 2,3-diphenyl-1,3-butadiene (2.772 g, 13.44 mmol) and cyclopent-2-enone (1 eq.) was refluxed in toluene (26 mL) for 48 h. The reaction mixture was then concentrated and purified on SiO2 (20% ethyl acetate/hexane) to yield 5,6-diphenyl-2,3,3a,4,7,7a-hexahydro-inden-1-one.