Microwave-assisted rapid and selective synthesis of cis- and trans-2,4,5-triarylimidazolines from aromatic aldehydes

Microwave irradiation of a mixture of aromatic aldehydes and hexamethyidisilazane in the presence of a solid catalyst such as alumina afforded methanediamines which were efficiently converted to either cis- or trans-2,4,5-triarylimidazolines depending on the base used. A one-pot selective synthesis...

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Bibliographic Details
Published inSynlett no. 8; pp. 1117 - 1120
Main Authors Uchida, H, Tanikoshi, H, Nakamura, S, Reddy, PY, Toru, T
Format Journal Article
LanguageEnglish
Published STUTTGART Thieme Medical Publishers 01.07.2003
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
2,4-DIAZAPENTADIENES
DIELS-ALDER
COMPLEX
methanediamine
ENANTIOSELECTIVE SYNTHESIS
solvent-free
EPOXIDATION
hexamethyldisilazane
AMINATION
OLEFINS
EFFICIENT
microwave
imidazoline
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Summary:Microwave irradiation of a mixture of aromatic aldehydes and hexamethyidisilazane in the presence of a solid catalyst such as alumina afforded methanediamines which were efficiently converted to either cis- or trans-2,4,5-triarylimidazolines depending on the base used. A one-pot selective synthesis of cis- and trans-imidazolines from aromatic aldehydes was achieved under microwave irradiation.
ISSN:0936-5214
1437-2096
DOI:10.1055/s-2003-39906