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Synthesis of New Chiral Calix [4] crown Containing (R)‐Cysteine |
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| Authors: | Yong‐Bing He Yuan‐Jing Xiao Jin‐Long Wu Ling‐Zhi Meng Cheng‐Tai Wu |
| Abstract: | Three new chiral heterocalix 4] crowns containing aza thio atoms bearing two chiral sites provided by (R)‐cysteine ester were synthesized. All new compounds were characterized by 1H NMR, MS and elemental analysis. |
| Keywords: | Chiral calix[4] crown synthesis (R)‐cysteine |