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Molecules 2003, 8(6), 505-519; doi:10.3390/80600505
Article

New Synthetic Approaches to Multifunctional Phenazinium Salt Derivatives

 and *
Received: 13 May 2003; Accepted: 25 June 2003 / Published: 30 June 2003
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Abstract: Two different approaches are offered for the synthesis under mild conditions of disubstituted phenazinium and benzo[a]phenazinium salts. Direct nucleophilic substitutions by primary and secondary amines in quaternary phenazinium salts containing an additional positive charge in the aliphatic part of the molecule were carried out. The substitution proceeds successively in positions 2 and 7, which allows selective introduction of different substituents into the heterocycle. Direct nucleophilic substitution in quaternary 2-N-alkyl-acetamidophenazinium and 5-alkoxy-benzo[a]phenazinium salts with different amines can also serve as a convenient method for the introduction of two different substituents.
Keywords: Phenazinium salts; benzo[a]phenazinium salts; nucleophilic substitutions; amines Phenazinium salts; benzo[a]phenazinium salts; nucleophilic substitutions; amines
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Garipova, I.Y.; Silnikov, V.N. New Synthetic Approaches to Multifunctional Phenazinium Salt Derivatives. Molecules 2003, 8, 505-519.

AMA Style

Garipova IY, Silnikov VN. New Synthetic Approaches to Multifunctional Phenazinium Salt Derivatives. Molecules. 2003; 8(6):505-519.

Chicago/Turabian Style

Garipova, Inna Y.; Silnikov, Vladimir N. 2003. "New Synthetic Approaches to Multifunctional Phenazinium Salt Derivatives." Molecules 8, no. 6: 505-519.


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