Highly Efficient Synthesis of Tetra Benzo Spiro bis-Crown Ether

Author(s): Fatemeh Moradgholi, Hooshang Vahedi, Jalil Lari.

Journal Name: Letters in Organic Chemistry

Volume 12 , Issue 2 , 2015

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Abstract:

Novel spiro bis-crown ethers derivatives with four benzo units connected via one carbon bridges have been prepared. These compounds represent well preorganized cavities with interesting complexation abilities towards cations. These macrocyclic were prepared by a four-step via template method by utilizing simple precursors catechol, oliethylen glycol and penta erythritol tetra bromide in good yield. Additionally, cesium carbonate could be used as an excellent base for these reactions.

Keywords: Bis crown ether; bis phenol; cesium carbonate; mix donor; spiro; penta erythritol tetra bromide.

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Article Details

VOLUME: 12
ISSUE: 2
Year: 2015
Page: [85 - 90]
Pages: 6
DOI: 10.2174/1570178612666150108001219
Price: $65

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