• Substitution in polycyclic systems - Part II. The nitroderivatives of fluoryl 9-trimethylammonium compounds

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      https://www.ias.ac.in/article/fulltext/seca/013/03/0211-0220

    • Keywords

       

      Nitration; Nitro Group; Picrate; Dinitro; Fluorenone

    • Abstract

       

      The nitration of fluoryl-9-trimethylammonium compounds and the orientation of the products is described. It has been found that the best method of obtaining the unsubstituted ‘Onium salt is from 9-bromofluorene. The 9-substituent does not appear to have any marked influence on the position of new entrant groups but exerts a noticeable one on the activity of the nuclear positions. The converse influence of nuclear substituents on the activity of the 9-position is evident.

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