Process for producing benzyl esters of aromatic...

Details Process for producing benzyl esters of aromatic... Process for producing benzyl esters of aromatic...

C - Chemistry, Metallurgy

07

C

260/475.3, 260/4

C07C 69/84 (2006.01) C07C 67/03 (2006.01) C07C 69/88 (2006.01) C07C 69/94 (2006.01)

Patent

CA 1252478

Abstract of the Disclosure Highly pure benzyl esters of aromatic hydroxy- carboxylic acids are produced in high yields by reacting an aromatic hydroxycarboxylic acid or its lower alkyl ester with a benzyl alcohol in the presence of an organo- tin compound of the general formula Image (I) wherein R's are identical or different and each represents an alkyl group having 1 to 8 carbon atoms or an aryl group, and Z represents an oxygen or sulfur atom, an organotin compound of the general formula RpSnXq (II) wherein R is as defined, X represents a halogen atom or the group -OCOR1 in which R1 represents a saturated or unsaturated alkyl group having 1 to 18 carbon atoms or an aryl group, p is 2, 3 or 4, q is 0, 1 or 2, the sum of p and q is 4, and when q is 2, the two X's may be linked to each other to form the group -OCO-R2-COO- in which R2 represents a saturated or unsaturated alkylene group having 1 to 10 carbon atoms or an arylene group, or an organotitanium compound of the general formula Ti(OR)4 (III) wherein R is as defined.

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