Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dio

Details Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dio Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dio

1997-12-02

1999-12-21

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

549467, C07D27300, C07D27301

Patent

active

060051043

ABSTRACT:
The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.

REFERENCES:
patent: 5679767 (1997-10-01), Kruger et al.
K. Venkateswara Rao et al.: Proc. Indian Acad. Sci., Reactivity of 2-Hydroxy-.omega.-Nitroacetophenones: Synthesis of 2-Oximinocoumaranones , Bd. 83A, Nr. 6, 1976, pp. 238-242.
R. Stoermer et al, Berichte Der Deutschen Chemischen Gesellschaft, Bd. 35, Nr. 9, 1902, pp. 1640-1646.
H. Loth and H. Koehne, Archiv der Pharmazie, Eine Neu Synthese Von 2-Acyloxyiminocumaranonen, Bd. 306, Nr. 2, 1973, pp. 122-126.

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