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Chemistry for Sustainable Development

2013 year, number 3

Synthesis of Polynuclear Isoindolinium Salts and the Transformation of Hydroxymethylisoindolinium Derivatives

E. O. CHUKHAJIAN,В В K. G SHAKHATUNI and EL. O. CHUKHAJIAN
Scientific Technological Center of Organic and Pharmaceutical Chemistry,
National Academy of Sciences of the Republic of Armenia,
Pr. Azutatyan 26, Yerevan 0014 (Armenia)
E-mail: qnarsh@yandex.ru
Keywords: unsaturated ammonium salts, base-catalyzed intramolecular cyclization, recyclization, double cyclization and recyclization, condensed isoindolinium and dihydrofuran derivatives, 4-hydroxymethyl derivatives of isoindolinium, sequence of cyclization and dehydrochlorination stages
Pages: 263–274

Abstract

The review is devoted base-catalyzed intramolecular cyclization of ammonium salts containing β,γ-unsaturated groups alongside with various enyne fragments. This process results in the formation of polynuclear isoindolinium salts and in the transformation (recyclization) of those containing the hydroxymethyl group at the position 4 in the aromatic ring.