Structures and pesticidal activities of derivatives of dinitro-phenols. Part IV. Preparation of certain 2-(α-branched alkyl)-4,6-dinitro- and 4-(α-branched alkyl)-2,6-dinitro-phenols
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- Vol. 22, 2281-2290
- https://doi.org/10.1039/j39670002281
Abstract
Twenty-one 2-(α-branched alkyl) phenols and thirty-one 4-(α-branched alkyl) phenols with alkyl groups containing from 5 to 13 carbon atoms were synthesised by condensation, in ether, of a 2- or 4-acyl-phenol or the more soluble-anisole with an alkylmagnesium bromide, dehydration to the alkenyl derivative, hydrogenation, and, where required, demethylation of the anisole. The 2- and 4-alkyl phenols were converted to 2-alkyl-4,6-dinitro-and 4-alkyl-2,6-dinitro-phenols for testing against the causal agents of powdery mildew of apple Podosphaera leucotricha(Ell. and Everh.) Salm., of barley Erysiphe graminis Mérat, and of cucumber Erysiphe cichoracearum Mérat.Keywords
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