Method of oxydehydrogenation of alkyl aromatic compounds

Details Method of oxydehydrogenation of alkyl aromatic compounds Method of oxydehydrogenation of alkyl aromatic compounds

1974-05-28

1976-05-18

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260624B, 260650R, C07C 548

Patent

active

039578976

ABSTRACT:
Certain alkaline earth pyrophosphates, such as Ca, Mg, and Sr pyrophosphates are superior catalysts for oxydehydrogenating alkyl aromatic compounds including nitrogen heterocyclics which have at least one C.sub.2 -C.sub.6 alkyl side chain to form derivatives having side chain unsaturation. The alkyl aromatic compound can have 1-2 rings. The process is carried out at 450.degree.-650.degree.C. and a space velocity of 55-2500.

REFERENCES:
patent: 3149082 (1964-09-01), Bowman et al.
patent: 3409696 (1968-11-01), Minnis et al.
patent: 3451945 (1969-06-01), Eden
patent: 3541172 (1970-11-01), Stowe et al.
patent: 3733327 (1973-05-01), Vrieland et al.
patent: 3781222 (1973-12-01), Weisang et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Ed., (1969), pub. by Interscience, Vol. 20, pp. 219-222 and 226.

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