Process for the production of olefinic acids and esters

Details Process for the production of olefinic acids and esters Process for the production of olefinic acids and esters

C - Chemistry, Metallurgy

07

C

260/482.7, 260/5

C07C 57/04 (2006.01) C07C 51/377 (2006.01) C07C 69/54 (2006.01)

Patent

CA 1150731

ABSTRACT OF THE DISCLOSURE Olefinic acids and esters such as methacrylic acid and methylmethacrylate, are prepared by contacting in the presence of molecular oxygen the corresponding saturated acid or ester, such as isobutyric acid or methylisobutyrate with the catalyst of the empirical formula Mo12 P0.1-3 M0.1-3 CU0.01-2 V0.01-2 X0.01-2 M' a 0b (I) where M is at least one of K, Rb and Cs; X is at least one of Ba, La, Ca, Al, Ag, Cd, Ti, Tl, HB, Pb and Zn; M' is at least one of Fe, Co, Ni, Sr, Mn, In, Ta, Ge, S and Be when a > 0; a is a number of 0 to about 2; and b is a number that satisfies the valence requirements of the other elements present

377752

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