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Molecules 2010, 15(1), 515-531; doi:10.3390/molecules15010515
Article

Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams

*  and
Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
* Author to whom correspondence should be addressed.
Received: 2 November 2009 / Revised: 3 December 2009 / Accepted: 9 December 2009 / Published: 22 January 2010
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Abstract

Some new mono-and bis-polycyclic aromatic spiro-β-lactams and bis-non spiro-polycyclic aromatic β-lactams have been synthesized from imines derived from anthracene-9-carbaldehyde, 2-naphtaldehyde and a ketene derived from 9H-xanthene-9-carboxylic acid and phenoxyacetic acid by a [2+2] cycloaddition reaction. The cycloadducts were characterized by spectral data, including 1H-NMR, 13C-NMR, IR and elemental analyses. The configurations of some of these mono-spiro-β-lactams were established by X-ray crystal analysis.
Keywords: mono- and bis-spiro-β-lactam; polycyclic aromatic imine; 9H-xanthene-9-carboxylic acid; phenoxyacetic acid; [2+2] cycloaddition; tosyl chloride mono- and bis-spiro-β-lactam; polycyclic aromatic imine; 9H-xanthene-9-carboxylic acid; phenoxyacetic acid; [2+2] cycloaddition; tosyl chloride
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Jarrahpour, A.; Ebrahimi, E. Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams. Molecules 2010, 15, 515-531.

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