Citation: Hao Hui Zhou, Xian Mei Shang, Zhi Luo, Yu Xiang Xia, Jun Luo, Guang Ya Xiang. A new member of the calix[4]crown family: Facile synthesis and characterization of a calix[4]crown-9 cone conformer[J]. Chinese Chemical Letters, ;2009, 20(2): 143-146. doi: 10.1016/j.cclet.2008.10.052 shu

A new member of the calix[4]crown family: Facile synthesis and characterization of a calix[4]crown-9 cone conformer

Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China

Received Date: 11 June 2008

Fund Project: The authors are grateful to the Research Foundation of Tongji Medical College, Huazhong University of Science and Technology (No. 25514107) as well as Project Chenguang of Wuhan City (No. 200750731267) for financial support.

25,27-Dipropoxy-p-tert-butylcalix[4]crown-9 cone conformer 5 was readily synthesized via an intramolecular cyclization strategy in good yields. The structures of all the new compounds involved were confirmed by NMR, ESI-MS and elemental analyses. All of them were proved to be in the cone conformation.
- Calix[4]crown-9,
- Cone conformation,
- Synthesis,
- Intramolecular cyclization
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