The new ?-spiroiminolactone synthesis by reaction between alkyl or aryl isocyanides and 1,10-phenanthroline-5,6-dione in the presence of acetylenic esters

The new ?-spiroiminolactone synthesis by reaction between alkyl or aryl isocyanides and 1,10-phenanthroline-5,6-dione in the presence of acetylenic esters

The 1:1 intermediate generated by the addition of alkyl and aryl isocyanides to dialkyl acetylenedicarboxylate is trapped by 1,2-dicarbonyl compounds such as 1,10-phenanthroline-5,6-dione (phendione) to yield iminolactones in good yields.

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Veröffentlicht in:Journal of chemical research 2006-04, Vol.2006 (4), p.220-222
Hauptverfasser: Maghsoodlou, Nourollah Malek Taher, Khorassani, Sayyed Mostafa Habibi, Heydari, Reza, Marandi, Ghasem, Nassiri, Mahmoud
Format: Artikel
Sprache:eng
Schlagworte:
Aromatic compounds
Esters
Synthesis
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Zusammenfassung:The 1:1 intermediate generated by the addition of alkyl and aryl isocyanides to dialkyl acetylenedicarboxylate is trapped by 1,2-dicarbonyl compounds such as 1,10-phenanthroline-5,6-dione (phendione) to yield iminolactones in good yields.
ISSN:1747-5198
2047-6507
DOI:10.3184/030823406776894193