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1,8-Diazafloren-9-one with alkyl and aryl isocyanides in the presence of acetylenic esters: A facile synthesis of γ-spiroiminolactones

✍ Scribed by Malek Taher Maghsoodlou; Nourollah Hazeri; Sayyed Mostafa Habibi Khorassani; Ghasem Marandi; Mahmoud Nassiri

Publisher: Journal of Heterocyclic Chemistry
Year: 2006
Tongue: English
Weight: 81 KB
Volume: 43
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570430234

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✦ Synopsis

The 1:1 intermediate generated by the addition of alkyl and aryl isocyanides to dialkyl acetylenedicarboxylate is trapped by 1,8-diazafloren-9-one to yield iminolactones in good yields.

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