Synthesis of 2-(4'-aminophenyloxy) alkanoic acids & acids & este

Details Synthesis of 2-(4'-aminophenyloxy) alkanoic acids & acids & este Synthesis of 2-(4'-aminophenyloxy) alkanoic acids & acids & este

1992-11-19

1993-08-10

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

562455, C07C22940, C07C22942

Patent

active

052350908

ABSTRACT:
A method for synthesizing 2-(4-amidophenoxy)alkanoic acids and esters and 2-(4-aminophenoxy)alkanoic acids and esters by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid or ester under basic conditions and thereafter reacting with a hydroxylamine derivative and conducting a Beckmann Rearrangement with subsequent solvolysis.

REFERENCES:
patent: 3081302 (1963-03-01), Shapiro et al.
patent: 3746741 (1973-07-01), Hubele
Berti, Chemical Abstracts, vol. 53, No. 14106d (1959).
Winzer et al., Chemical Abstracts, vol 65, No. 19739a (1966).
Winzer et al., "Zur NACl-Floatation mit Phenoxy essigsaure ederivaten", Bergakademie, 18Jg Heft 8, Aug. 1966.
Suter et al., English Translation of Swiss Publication 480070 (1969).

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