MACROCYCLE OPENING IN FORMYL DERIVATIVES OF BENZOCROWN ETHERS UNDER THE ACTION OF METHYLAMINEстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:A new method for synthesizing nitrogen-containing podands by nucleophilic regioselective cleavage of the macrocycle in formyl derivatives of benzocrown ethers by heating with methylamine and methylammonium chloride has been developed. This reaction is the first example of crown ether opening by a nitrogen-containing nucleophile.