SYNTHESIS OF 2-AMINOPYRIDINIUM SALTS FROM 2-IMINOPYRIDINES AS A STARTING MATERIAL

Synthesis of multi -substituted 2-aminopyridinium.salts is developed using 2-iminopyridines as a starting material. The reactions of multi -substituted 2-iminopyridines prepared by the conjugate addition of ethyl 2-cyanopropanoate to alkynyl imines with several acids proceeded smoothly to give multi...

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Bibliographic Details
Published inHeterocycles Vol. 94; no. 12; pp. 2215 - 2221
Main Authors Hachiya, Iwao, Fukutomi, Makoto, Kugisaki, Naoki, Shimada, Satoshi, Shimizu, Makoto
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier 2017
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
NITROGEN-CONTAINING HETEROCYCLES
ORGANIC-SYNTHESIS
C-ALKYNYL IMINES
PROPARGYLAMINES
PYRROLES
MICROWAVE-ASSISTED SYNTHESIS
DERIVATIVES
CASCADE REACTION
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Summary:Synthesis of multi -substituted 2-aminopyridinium.salts is developed using 2-iminopyridines as a starting material. The reactions of multi -substituted 2-iminopyridines prepared by the conjugate addition of ethyl 2-cyanopropanoate to alkynyl imines with several acids proceeded smoothly to give multi-substituted 2-aminopyridinium salts in high yields.
ISSN:0385-5414
1881-0942
DOI:10.3987/COM-17-13816