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Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams
Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
* Author to whom correspondence should be addressed.
Received: 2 November 2009; in revised form: 3 December 2009 / Accepted: 9 December 2009 / Published: 22 January 2010
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
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MDPI and ACS Style
Jarrahpour, A.; Ebrahimi, E. Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams. Molecules 2010, 15, 515-531.
Jarrahpour A, Ebrahimi E. Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams. Molecules. 2010; 15(1):515-531.
Jarrahpour, Aliasghar; Ebrahimi, Edris. 2010. "Synthesis of Some New Mono- and Bis-Polycyclic Aromatic Spiro and Bis-Nonspiro-β-Lactams." Molecules 15, no. 1: 515-531.