[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].[K+]>>[C:12]([OH:15])(=[O:14])[CH:13]=[CH:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1It is also known that benzaldehyde and ketene can be reacted in the presence of potassium acetate to give a primary product from which about 22% of cinnamic acid is obtained (J.Am.Chem.Soc. 55, 275 (1933)). Under similar conditions, 30% of cinnamic acid and 70% of styrene were also obtained (Organic Synthesis, Volume I, 215 and 216 C. D. Hurd. C. L. Thomas, (1942)).
読み込み中…