A simple synthesis and determination of alkali metal binding selectivities of chiral macrocyclic tetraamides derived from L-alanine
Chiral α,ω-diamines react under high-pressure conditions (10 kbar) with α,ω-dicarboxylates to give chiral cyclic tetraamides having C2-symmetry. The alkali metal (Li+, Na+, K+, Rb+, and Cs+
Szczepanska,Tarnowski,Jurczak
p. 1909 - 1917
(2007/10/03)
A new approach to the synthesis of chiral tetraazacoronands derived from L-alanine
Dimethyl α,ω-dicarboxylates react under high pressure or ambient conditions with chiral primary diamino ethers derived from L-alanine to give the chiral cyclic diamides or tetramides in satisfactory yields. The effective preparation of chiral amino components starting from L-alanine is also described.
Szczepan?ska, Agnieszka,Sa?an?ski, Piotr,Jurczak, Janusz
p. 537 - 540
(2007/10/03)
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