Process for the preparation or .alpha.-azo esters

Details Process for the preparation or .alpha.-azo esters Process for the preparation or .alpha.-azo esters

1988-03-23

1990-01-09

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534726, 534753, 534885, 534886, 534887, C07C10702, C07C 4500

Patent

active

048929360

ABSTRACT:
A process is disclosed for the preparation of .alpha.-substituted carbonyl compounds, wherein .alpha.-substituted ketone is prepared by the following reaction: ##STR1## .alpha.-azo ester is prepared by the following reaction: ##STR2## and .alpha.-hydrozono ester is prepared by the following reaction: ##STR3## wherein the .alpha.-azo ester and .alpha.-hydrazono ester obtained by the above reactions include novel compounds, which are also disclosed.

REFERENCES:
patent: 3152107 (1964-10-01), Mullier et al.
patent: 3651226 (1972-03-01), Sticker
patent: 4772714 (1988-09-01), Tanaka et al.
Ege et al, Chemical Abstracts, vol. 75, #139892 (1971).
Favrel, Bull. Soc. Chim. France, vol. 47, pp. 1290 to 1300 (1930).
Iffland et al, J. Amer. Chem. Soc., vol. 83, pp. 747 to 749 (1961).
Searles et al, J. Amer. Chem. Soc., vol. 79, pp. 3175 to 3179 (1957).
Shustov et al, Chemical Abstracts, vol. 103, #104448p (1985).

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