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2‐Methylpyridinium salts as 1,4‐dinucleophiles. IV. Westphal condensation with 2‐alkyl‐1‐aminoazinium substrates
Author(s) -
Matia M. Paz,
Navío J. Luis Garcia,
Vaquero J. José,
AlvarezBuilla J.
Publication year - 1990
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570270333
Subject(s) - chemistry , alkyl , condensation , medicinal chemistry , base (topology) , salt (chemistry) , polymer chemistry , organic chemistry , physics , thermodynamics , mathematical analysis , mathematics
Condensation of 2‐alkyl‐1‐aminopyridinium, quinolinium or 1‐alkyl‐2‐aminoisoquinolinium salts with 1,2‐acenaphthenequinone or 9,10‐phenanthrenequinone in the presence of base, gave pyrido[1,2‐ b ]pyridazinium salts in good yields.
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