The synthesis of 3-substituted-6,7-dihydrodipyrido-[1,2-α:2′,1′-c]-pyrazinediium dibromides is described. The 3-alkoxy and 3-carbomethoxy derivatives can be regarded as reversible one electron transfer systems. The most active compound is the 3-methoxy derivative which is a very effective post-emergent herbicide at 1-2 kg/hectare
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Zeitschrift für Naturforschung B is an international scientific journal which publishes original papers, microreviews, and letters from all areas of inorganic chemistry, solid state chemistry, coordination chemistry, molecular chemistry, and organic chemistry.