Process for synthesis of alpha aklyl amino aldehydes

Details Process for synthesis of alpha aklyl amino aldehydes Process for synthesis of alpha aklyl amino aldehydes

1985-07-30

1989-12-12

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564302, 564340, 564402, C07C 9508

Patent

active

048869147

ABSTRACT:
The present invention relates to a process for the preparation of alpha alkyl amino aldehydes of formula ##STR1## in which R is alkyl or aralkyl possibly substituted, characterized in that N,O-dimethylhydroxylamine is reacted, in a basic medium, on a blocked amine ester of an amino acid of formula ##STR2## and in that the product obtained is reduced with the aid of a hydride such as the double hydride of lithium-aluminum.

REFERENCES:
patent: 3027407 (1962-03-01), Major et al.
patent: 3166589 (1965-01-01), Richter
patent: 3280226 (1966-10-01), Barnas et al.
patent: 3726881 (1973-04-01), Kispaludy et al.
Millar et al., "Sidgwick's Organic Chemistry of Nitrogen", 3rd Ed., pp. 333-337 (1966).
Patai, "The Chemistry of Functional Groups, The Chemistry of the Carbonyl Group", pp. 221-225 (1966).
Stanfield et al., "Journal Organic Chemistry", vol. 46, No. 23, pp. 4797-4798 (1981).

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