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首页> 外文期刊>journal of the science of food and agriculture >Pyrethrins and related compounds. IXAlkenylbenzyl and benzylbenzyl chrysanthemates
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Pyrethrins and related compounds. IXAlkenylbenzyl and benzylbenzyl chrysanthemates

机译:Pyrethrins and related compounds. IXAlkenylbenzyl and benzylbenzyl chrysanthemates

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AbstractThe syntheses of 4‐allylbenzyl, 4‐benzylbenzyl and other related benzyl chrysanthemates are described. The benzyl alcohols were made by reduction of benzoic esters if these were readily available; otherwise they were made either by Grignard reactions of appropriately substituted bromobenzenes with formaldehyde, or by reactions of alkenyl halides with Grignard derivatives of bromobenzyl alcohols in which the hydroxyl group was protected as its tetrahydropyranyl et

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