2-(.gamma.-Aminopropyl)hydroquinones and process for producing t

Details 2-(.gamma.-Aminopropyl)hydroquinones and process for producing t 2-(.gamma.-Aminopropyl)hydroquinones and process for producing t

1974-11-18

1976-11-16

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96 66R, 260465F, C07C 9134, C07C 9314, C07C12175

Patent

active

039924491

ABSTRACT:
1-(.gamma.-Aminopropyl)-2,5-dihydroxybenzene and derivatives thereof having additional substituents on the benzene nucleus, .beta.-(2,5-di-lower alkoxyphenyl)acrylonitriles and derivatives thereof having additional substituents on the benzene nucleus, and .gamma.-aminopropyl-2,5-di-lower alkoxybenzenes and derivatives thereof having additional substituents on the benzene nucleus and a process for producing 1-(.gamma.-aminopropyl)-2,5-dihydroxybenzene or derivatives thereof having additional substituents on the benzene nucleus which comprises reacting a 2,5-di-lower alkoxybenzaldehyde or a derivative thereof having additional substituents on the benzene nucleus in the 3-, 4- and/or 6-positions (wherein the substituents can be one or more of an alkyl group of 5 or less carbon atoms or a halogen atom) with cyanoacetic acid or an ester thereof to form a .beta.-(2,5-di-lower alkoxyphenyl)acrylonitrile or a derivative thereof having additional substituents on the benzene nucleus, catalytically reducing the product, with or without previously isolating the product, to form a .gamma.-aminopropyl-2,5-di-lower alkoxybenzene or a derivative thereof having additional substituents on the benzene nucleus, and then dealkylating the product obtained in the reduction, with or without previously isolating the product.

REFERENCES:
patent: 2949359 (1960-08-01), Blout et al.

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