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Synthesis and structure of a new type of C2-symmetric chiral crown ether

✍ Scribed by Masahiro Muraoka; Atsushi Ueda; Wanbin Zhang; Toshiyuki Kida; Yohji Nakatsuji; Isao Ikeda; Nobuko Kanehisa; Yasushi Kai


Book ID
108387209
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
256 KB
Volume
39
Category
Article
ISSN
0040-4039

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Easy synthesis of a new C2-symmetric dia
✍ Jean-Pierre Joly; Gerhard SchrΓΆder πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 French βš– 100 KB

The 1:1-cyclocondensation of a contrafunctional chiral amine easily obtained from L-threonine in four steps yielded the new C2-symmetric diaza-crown ether 5.