公开(公告)号：US3923907A

公开(公告)日：1975-12-02

申请号：US27304972

申请日：1972-07-19

Applicant: AGENCY IND SCIENCE TECHN

Inventor： KOTANIGAWA TAKESHI ,  YAMAMOTO MITSUYOSHI ,  SHIMOKAWA KATSUYOSHI

IPC: C07C37/16

CPC classification number: C07C37/16 ,  C07C39/07

Abstract: The methylation of a phenol in an ortho position by the vapor phase reaction of the phenol with methanol using as a catalyst a sintered mixture of ferric oxide, at least one divalent metal oxide of the general formula: MO wherein M is selected from Zn, Mg, Co., Ni, Cr and Cd, and a small amount of manganese oxide calculated in terms of manganese, up to about 1.0% by weight of said ferric and divalent metal oxides, 2,6-dimethyl phonol is a preferred product.

Abstract translation: 通过苯酚与甲醇的气相反应使苯酚在邻位甲基化，使用氧化铁，至少一种下列通式的二价金属氧化物的烧结混合物作为催化剂：