Patent ID: 6590129
Filing Date: 2003-07-08
Classification: C07C

Abstract:
A method for preparing at least one each of an aromatic aldehyde and an aromatic alcohol from a mixture comprising the aldehyde and the alcohol, comprising the steps of:oxidizing the aromatic compound of formula (I); â€ƒwherein n represents an of integer 1 to 5; and substituent R represents C1-18 alkyl group, C6-18 aryl group, C6-18 aralkyl group, halogen, haloalkyl group, OR1, SR1, SOR1, SO2R2, NO2, NR1R2, CH2OR1, CH(OR1)(OR2), C(OR1)(OR2)(OR3), COR1, or COCOR1; wherein each of R1, R2, and R3 is selected from C1-18 alkyl group, C6-18 aryl group, and hydrogen atom; and when n takes 2 or more, R may be the same or different; removing intermediate aromatic carboxylic acid via addition of base; and distilling the mixture by further adding a base wherein said aromatic alcohol is produced at approximately 5-30%.