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.
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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.
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Keywords:
- Schiffbase,
- polyoxa-aza,
- cryptand,
- rare earth,
- condensation
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