2-Dimethylamino-2-parahydroxyphenyl sodium acetate, preparation

Details 2-Dimethylamino-2-parahydroxyphenyl sodium acetate, preparation 2-Dimethylamino-2-parahydroxyphenyl sodium acetate, preparation

1982-12-09

1985-01-15

Reamer, James H.

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

Organic compounds

Carboxylic acids and salts thereof

562443, 562414, 260465F, C07C 9900

Patent

active

044939370

ABSTRACT:
The invention relates to crystallized 2-dimethylamino-2-parahydroxyphenyl sodium acetate, anhydrous or with 2 molecules of water. The process for preparation thereof comprises heating parahydroxy mandelic acid in dimethylformamide in the presence of a catalytic quantity of a strong acid, such reaction being followed by a sodium hydroxide neutralization. Said product is applied to the production of parahydroxybenzyl cyanide by reacting it with 2-hydroxy isobutyronitrile.

REFERENCES:
patent: 3778463 (1973-12-01), Gronowity et al.
patent: 4020059 (1977-04-01), Maeda et al.
patent: 4175206 (1979-11-01), Senuma et al.
patent: 4350826 (1982-09-01), Edwards et al.
Chem. Abst., vol. 55, #7743A, (1961).
Chemical Abstracts, vol. 84, No. 19, 10 mai 1976, p. 151, Resume No. 131504z, Columbus, Ohio (US) and JP-A-75 154 426 (Katsuda, Yoshio), (Dec. 12, 1975).

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