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Thermolysis of Chlorovinyl Imines as an Alternate Route for the Synthesis of Pyranoquinolin‐3‐one and Pyranoacridin‐3‐one Derivatives
Author(s) -
Patra Prasanta
Publication year - 2017
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.2993
Subject(s) - chemistry , thermal decomposition , imine , condensation , methanol , medicinal chemistry , decomposition , organic chemistry , catalysis , physics , thermodynamics
Synthesis of 3 H ‐pyrano[3,2‐ f ]quinolin‐3‐one and 3 H ‐benzo[ h ]pyrano[3,2‐ a ]acridin‐3‐one derivatives are described by the thermolysis of suitable chlorovinyl imine derivatives. The chlorovinyl imines were obtained by condensation of suitable β‐chloro‐α,β‐unsaturated aldehydes and 6‐aminocoumarin in methanol at 15°C. Compounds showed blue fluorescence in alkaline medium.