Process for the selective destruction, by reduction, of p-couple

Details Process for the selective destruction, by reduction, of p-couple Process for the selective destruction, by reduction, of p-couple

1976-11-26

1978-07-18

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260144, 260181, 260187, 260191, 260199, 260202, 260208, 260508, 260509, 260510, 260569, 260578, C09B 2900, C09B 4100, C09B 4600

Patent

active

041015428

ABSTRACT:
Para-coupled products of the 1-naphthol series can be destroyed in the presence of the ortho-coupled product by reduction with salts of dithionous acid or of hydroxymethanesulphinic acid or with hydrazine optionally in the presence of redox-catalysts.

REFERENCES:
houben-Weyl (I), Methoden der Organische Chemie, vol. X/2, p. 716, (1967).
Houben-Weyl (II), Methoden der Organische Chemie, vol. XI/1, pp. 522-526, (1957).
Whitmore et al., J. Am. Chem. Soc., vol. 59, pp. 1500-1503, (1937).

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