引用本文:
Swapnil S. Sonar, Sandip A. Sadaphal, Shivaji S. Pawar, Bapurao B. Shingate, Murlidhar S. Shingare. Microwave assisted convenient synthesis of quino[2,3-b] [1,5]benzoxazepines[J]. Chinese Chemical Letters,
2009, 20(5): 557-561.
doi:
10.1016/j.cclet.2009.01.031
Citation: Swapnil S. Sonar, Sandip A. Sadaphal, Shivaji S. Pawar, Bapurao B. Shingate, Murlidhar S. Shingare. Microwave assisted convenient synthesis of quino[2,3-b] [1,5]benzoxazepines[J]. Chinese Chemical Letters, 2009, 20(5): 557-561. doi: 10.1016/j.cclet.2009.01.031
Citation: Swapnil S. Sonar, Sandip A. Sadaphal, Shivaji S. Pawar, Bapurao B. Shingate, Murlidhar S. Shingare. Microwave assisted convenient synthesis of quino[2,3-b] [1,5]benzoxazepines[J]. Chinese Chemical Letters, 2009, 20(5): 557-561. doi: 10.1016/j.cclet.2009.01.031
Microwave assisted convenient synthesis of quino[2,3-b] [1,5]benzoxazepines
摘要:
A convenient synthesis of quino[2,3-b] [1,5]benzoxazepines from substituted 2-chloroquinoline-3-carbaldehyde and 2-hydroxy aniline 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%).
English
Microwave assisted convenient synthesis of quino[2,3-b] [1,5]benzoxazepines
Abstract:
A convenient synthesis of quino[2,3-b] [1,5]benzoxazepines from substituted 2-chloroquinoline-3-carbaldehyde and 2-hydroxy aniline 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%).
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Key words:
- Quino[2,3-b][1,5]benzoxazepines
- / DBU/silica gel
- / Microwave irradiation
- / Solvent-free
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