Propionic Acid → 7-Phenyl-1-tetralone

HRID 328608Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 328608
[C:1]1([C:7]2[CH:12]=[CH:11][C:10]([CH2:13][CH2:14][CH2:15][C:16]([OH:18])=O)=[CH:9][CH:8]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C(O)(=O)CC>>[C:1]1([C:7]2[CH:8]=[C:9]3[C:10]([CH2:13][CH2:14][CH2:15][C:16]3=[O:18])=[CH:11][CH:12]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

Komponenten

3

Edukt 2

HCID 1032Propionic AcidHCID 111392304-{[1,1'-Biphenyl]-4-yl}butanoic acid

Produkt 1

HCID 37782357-Phenyl-1-tetraloneAusbeute 30 %

Versuchsvorschrift

4- (4'-Biphenylyl) butanoic acid (80g, 0.333 mole m.p. 116° C prepared by the Clemmensen reduction of 3-(4'-biphenylycarbonyl) propanoic acid) was cyclised with 85% polyphosphoric acid as described in example 8(a) to give 20.98g (30%) of the tetralone m.p. 67° C after recrystallisation from 40-60 petrol. (Found; C, 86.30; H, 6.53; C16H14O requires; C, 86.45; H, 6.35%).

Quellen und Nachweise

ORD-Eintrag
ord-163360d8f8294c62bb3fb62e03d84135
Quelldatensatz
uspto-grants-1977_04
Patentnummer
US04017639

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