Synthesis and characterization of dibenzo-18-crown-6 ethers with appended Schiff bases

• Type: Article in International Scientific Journal
• Date: 2000

Authors

Sousa, C (Author) Other; Borges, JE (Author) Other; Freire, C (Author) FCUP; Romao, C (Author) Other; Castro, B (Author) FCUP

Journal

Title: Heterocyclic Communications

Vol. 6

Pages: 323-326

ISSN: 0793-0283

Publisher: Walter De Gruyter

Indexing

ISI Web of Knowledge - 4 Citations

Scopus - 4 Citations

Scientific classification

FOS: Natural sciences > Chemical sciences

Other information

Authenticus ID: P-001-1JJ

Abstract (EN): New derivatives of dibenzo-18-crown-6 ether with two appended N2O2 tetradentate Schiff bases were prepared by a multistep procedure which involved the preparation of tetranitro derivative of dibenzo-18-crown-6 in acetic media, their reduction by direct hydrogenation to the tetraamino derivative and finally Schiff condensation with salicylaldehyde and o-vanillin in dry methanol:acetonitrile.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4