Ethoxypyridinyl ethenenylalkyl ketones and process for their...

Details Ethoxypyridinyl ethenenylalkyl ketones and process for their... Ethoxypyridinyl ethenenylalkyl ketones and process for their...

C - Chemistry, Metallurgy

07

D

260/295

C07D 213/50 (2006.01) C07D 213/82 (2006.01) C07D 213/85 (2006.01)

Patent

CA 1187503

ABSTRACT OF THE DISCLOSURE 2-(lower-alkoxy)-1-(pyridinyl)ethenyl lower-alkyl ketones of the formula Image in which R and R' are each lower alkyl, and PY is a 3- or 4-pyridinyl group or a 3- or 4-pyridinyl group having one or two alkyl substituents, their acid addition salts, and processes for their preparation are described. These compounds find use in the preparation of cardiotonically active 1,2-dihydro- 6-(lower-alkyl)-2-oxo-5-(pyridinyl)nicotinonitriles and nicotinamides.

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