| 摘要 |
1322859 Preparation of alkylphenol RHONEPOULENC SA 21 Dec 1971 [22 Dec 1970] 59519/71 Heading C2C An alkylphenol of formula in which each of the symbols R 1 , R 2 and R 3 which may be the same or different represents a hydrogen atom or a straight-chain or branched chain C 1-10 alkyl radical with the proviso that not more than two of the symbols R 1 , R 2 and R 3 represent hydrogen atoms, is prepared by the oxidation of an alkylbenzaldehyde of formula wherein the symbols R 1 , R 2 and R 3 are as hereinbefore defined by means of an organic peracid which is derived from a carboxylic acid of pKa in water of at least 4 in the presence of a carboxylic acid of pKa in water less than 4, and if necessary converting any formate ester of the phenol of Formula I into the phenol of Formula I. The examples describe the preparation of p-cresol. |
