Microwave assisted convenient synthesis of quino[2,3-b][1,5]benzoxazepines
Title | Microwave assisted convenient synthesis of quino[2,3-b][1,5]benzoxazepines |
Publication Type | Journal Article |
Year of Publication | 2009 |
Authors | Sonar, SS, Sadaphal, SA, Pawar, SS, Shingate, BB, Shingare, MS |
Journal | Chinese Chemical Letters |
Volume | 20 |
Issue | 5 |
Pagination | 557-561 |
Date Published | MAY |
ISSN | 1001-8417 |
Keywords | 3-b][1, 5]benzoxazepines, DBU/silica gel, Microwave irradiatiom, Quino[2, Solvent-free |
Abstract | A convenient synthesis of quino[2,3-b][1,5]benzoxazepines from substituted 2-chloroquinoline-3-carbaldehyde and 2-hydroxyaniline by using stable, non-toxic and inexpensive catalyst 1,8-diazabicyclo-undecan-7-ene (DBU)/silica gel is described. This method affords the quino[2,3-b][1,5]benzoxazepines under the influence of microwave irradiation (360 W) in solvent-free conditions within short reaction times (2-3 min), giving high yields of products (93-96%). (C) 2009 Murlidhar S. Shingare. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved. |
DOI | 10.1016/j.cclet.2009.01.031 |
Type of Journal (Indian or Foreign) | Foreign |
Impact Factor (IF) | 0.775 |
Divison category:
Organic Chemistry
Physical and Materials Chemistry