Benzaldehyde → 2-Propenoic acid, 3-phenyl-

반응식

[CH:1](=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C=C=O.[C:12]([O-:15])(=[O:14])[CH3:13].[Na+]>>[C:12]([OH:15])(=[O:14])[CH:13]=[CH:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

참가 물질

반응물 3

HCID 240Benzaldehyde

HCID 10038Ketene

HCID 517045Sodium Acetate

생성물 1

HCID 87842-Propenoic acid, 3-phenyl-수율 40%

실험 절차

The reaction of benzaldehyde with ketene at 60° C. with the addition of sodium acetate and subsequent heating of the reaction product to the boiling point is known from Ind. Chem. 41, 768 (1949). Cinnamic acid is thereby obtained in a yield of 40%.