Convenient synthesis of crown ethers con
โ
Jerald S. Bradshaw; Krzysztof E. Krakowiak; Geng Wu; Reed M. Izatt
๐
Article
๐
1988
๐
Elsevier Science
๐
French
โ 258 KB
A new class of crown ethers containing a hydrazine moiety was synthesized in only 2, 3, or 4 steps starting from 1,2\_diacetylhydrazine or 1,2\_diethylhydrazine. Hydrazino-crown ethers with 2 or 4 nitrogen atoms in the ring were obtained by reacting the hydrazine derivatives with l,ll-diiodo-(or dic