Abstract
The known herbicidal activity of 4-[(benzyloxy)methyl]-2,2,4-trimethyl-1,3-dioxolanes and the similar activity of certain benzyl methyl ethers of some poly(ethylene glycols), ArCH 2 O(CH 2 CH 2 O) n Me (n=1-3), described in this paper, cannot be explained in terms of efficient complexation of the herbicide with the alkali metal ions lithium, sodium, or potassium or with the alkaline-earth metal ions magnesium and calcium. A study of the extraction of metal picrates from aqueous solution into dichloromethane solutions of the herbicides gave little evidence for effective complexation of the type observed with cyclic polyethers. (...)
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