Hydroxybenzaldoxime O-ethers

Details Hydroxybenzaldoxime O-ethers Hydroxybenzaldoxime O-ethers

1987-04-28

1989-07-04

Reamer, James H.

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

Organic compounds

Amino nitrogen containing

C07C13100

Patent

active

048452874

ABSTRACT:
A process for the preparation of a hydroxybenzaldoxime O-ether of the formula ##STR1## in which R.sup.1 is alkyl, alkenyl or alkinyl, comprising reacting an aminobenzaldoxime O-ether of the formula ##STR2## in which R.sup.1 has the abovementioned meaning, with a diazotizing agent in acidic, aqueous solution, and thermally hydrolyzing the resulting diazonium salt of the formula ##STR3## in which X.crclbar. in an equivalent of an inorganic anion and

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patent: 3692835 (1972-09-01), Dijk et al.
patent: 3778473 (1973-12-01), Kornis et al.
Houben-Weyl: "Methoden der organishen Chemie", Band VI/1c, Teil 1, 1976, Seiten 247-249, George Thieme Verlag, Stuttgart DE; Stiten 247-249.
Synthesis, Nr. 3., Marz 1984, Seite 266, Georg Thieme Verlag, Stuttgart, DE; L. Bonsignore et al.: "Novel Syntheses with Carbon Suboxide; V. Cyclocondensation with 2-[(Arylimino)-methyl] Benzenamines or 2-Aminobenzaldehyde Oximes to Form 2-Oxo-1,2-Dihydroquinoline Derivatives" Seite 266;le.

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