Synthesis and Characterization of Benzo-15-Crown-5 Ethers with Appended N2O Schiff Bases

New derivatives of benzo-15-crown-5 with flexible appended N2O unsymmetrical Schiff bases were prepared by a two step procedure which involves: (i) preparation of N2O Schiff bases by condensation of hydrazine with salicylaldehyde, 3-methoxysalicylaldehyde or 2-hydroxy-1-naphtaldehyde and (ii) reacti...

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Bibliographic Details
Main Authors: Baltazar de Castro, Cristina Freire, Carla Sousa
Format: Article
Language:English
Published: MDPI AG 2003-12-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/8/12/894/