Rational design and expeditious synthesis of aromatic cyanodienone derivatives assisted by cyanide-halide exchange

1-n-Butyl-3-methylimidazolium cyanide ([bmim]CN), in the presence of [bmim]Br has been prepared and used for the first time as the medium as well as reagent for the synthesis of aromatic cyanodienones from the corresponding triarylpyrylium perchlorates by cyanide-halide exchange. The [bmim]CN having...

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Bibliographic Details
Published inIndian journal of chemistry. Sect. B. Organic chemistry, including medicinal chemistry Vol. 60; no. 7; pp. 1027 - 1030
Main Authors Zeraatpisheh, Fatemeh, Abadast, Fatemeh, Shahmorad, Maryam
Format Journal Article
LanguageEnglish
Published NEW DELHI Natl Inst Science Communication & Information Resources-Niscair 05.10.2021
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
ionic liquid
ROUTE
ACID
SOLVENTS
cyanide-halide exchange
triarylpyrylium perchlorate
environmentally friendly methodology
IONIC LIQUIDS
FACILE
1-n-butyl-3-methylimidazolium cyanide
Cyanodienone
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Summary:1-n-Butyl-3-methylimidazolium cyanide ([bmim]CN), in the presence of [bmim]Br has been prepared and used for the first time as the medium as well as reagent for the synthesis of aromatic cyanodienones from the corresponding triarylpyrylium perchlorates by cyanide-halide exchange. The [bmim]CN having a reactive anion, is an accelerated reaction technique without external solvent and renders the whole synthesis into a truly eco-friendly protocol. The products can be isolated without aqueous work-up in high purity and excellent yield.
ISSN:0376-4699
0019-5103
0975-0983
DOI:10.56042/ijcb.v60i7.29686