Synthesis, characterization and correlative biological effects in wheat of a benzoxaza- and a diaza-phosphorus(V) heterocycles

Author:

Făgădar-Cosma Eugenia1,Laichici Maria2,Făgădar-Cosma Gheorghe3,Vlascici Dana4

Affiliation:

1. Institute of chemistry Timişoara of Romanian academy, Timişoara

2. Ministry of agriculture, forests and rural development, DADR - Timiş county Department, Timişoara

3. 'Politehnica' University of Timişoara, chemistry Department, Timişoara

4. West University of Timişoara, Faculty of chemistry - biology - geography, inorganic chemistry Department, Timişoara

Abstract

Dichloro-p-tolylphosphine, involved in a Mannich type reaction, together with o-aminophenol or 1,2- diaminopropane and acetone generated two phosphorin- 2-oxide ring compounds, namely: hexahydro-3,3,5-trimethyl-2-p-tolyl-1,4,2-diazaphosphorine- 2-oxide and 3,4-dihydro-3,3-dimethyl-2-p-tolyl-2H-1,4,2-benzoxaza- phosphorine-2-oxide. The two compounds were fully characterized by MS, IR, UV, 1H-NMR, and gas chromatography. Anothermain objective of the present study was to examine to what extent the treatments with different concentrations of the above-mentioned diaza- and benzoxaza-compounds affected the content of leaf chlorophyll of a monocotyledonous plant (wheat), in correlation with all the other changes concerning the general development of the tested plants. .

Publisher

National Library of Serbia

Subject

General Chemistry

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