Syntheses and Structures of Binaphthyl-bridged Schiff Bases

Syntheses and Structures of Binaphthyl-bridged Schiff Bases

The reaction of dinaphthofuran with lithium in anhydrous diethyl ether led to a solution of the corresponding C,O-dilithiated intermediate which, upon treatment with DMF at ？78 oC, afforded, after hydrolysis, 2＇-hydroxy-1,1＇-binaphthyl-2-carbaldehyde in a good yield. Then binaphthyl-bridged Schiff b...

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Veröffentlicht in:Chemical research in Chinese universities 2008-09, Vol.24 (5), p.561-564
Hauptverfasser: WANG, Bin, LI, Min-xiong, XU, Shan-sheng, SONG, Hai-bin, WANG, Bai-quan
Format: Artikel
Sprache:eng
Schlagworte:
Binaphthyl compound
Reductive ring opening
Schiff base
化合物
合成方法
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Zusammenfassung:The reaction of dinaphthofuran with lithium in anhydrous diethyl ether led to a solution of the corresponding C,O-dilithiated intermediate which, upon treatment with DMF at ？78 oC, afforded, after hydrolysis, 2＇-hydroxy-1,1＇-binaphthyl-2-carbaldehyde in a good yield. Then binaphthyl-bridged Schiff bases were prepared by the condensation of 2＇-hydroxy-1,1＇-binaphthyl-2-carbaldehyde with the corresponding aromatic amines.
ISSN:1005-9040
2210-3171
DOI:10.1016/S1005-9040(08)60118-X