Simultaneous production of methacrylic acid and a methacrylate o

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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560232, 260530N, 252437, C07C 6954

Patent

active

040888223

ABSTRACT:
Methacrylic acid and its ester or acrylic acid and its ester are prepared at the same time by reacting methacrolein or acrolein with an aliphatic alcohol and molecular oxygen in vapor phase in the presence of a Pd-- P--P-- O or Pd-- P-- Sb-- O catalyst.

REFERENCES:
patent: 3772381 (1973-11-01), Nakamura et al.
patent: 3976688 (1976-08-01), Akiyama et al.

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