Citation: Zhen MA, Ru Dong YANG, Lan YAN. Synthesis and Characterization of New Schiff Base and Polyoxa-aza Cryptands and Their Rare Earth Cryptates with [1+1] Condensation and Reduction Methods[J]. Chinese Chemical Letters, ;1999, 10(12): 991-994. shu

Synthesis and Characterization of New Schiff Base and Polyoxa-aza Cryptands and Their Rare Earth Cryptates with [1+1] Condensation and Reduction Methods

Department of Chemistry Lanzhou University Lanzhou Gansu 730000

Received Date: 23 June 1999

Fund Project: This work was financially supported by the National Natural Science Foundation of China (29571013) and the National Education Committee's Doctoral Foundation of China (9573005)

The Schiff base cryptand and its cryptates were synthesized with the methods of [1+1] condensation of trialdehyde and tris(2-aminoethyl)amine and obtained in 60-65%, 5-25% and 70-80% yields respectively with or without some rare earth elements as templates. The polyoxa-aza cryptand was produced in 72% and 60-70% yields with reduction of Schiff base and its cryptates respectively.
- Schiffbase,
- polyoxa-aza,
- cryptand,
- rare earth,
- condensation
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