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Rigidification of the Cone Conformation of p-tert -Butylcalix[4]arene with Carbamate Groups on the Lower Rim

โœ Scribed by McKervey, M. Anthony; Millership, Jeffrey S.; Russell, Julie A.; Nieuwenhuyzen, Mark; Pitarch, Miguel


Book ID
126762354
Publisher
Taylor and Francis Group
Year
1998
Tongue
English
Weight
380 KB
Volume
9
Category
Article
ISSN
1061-0278

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Synthesis of tert-butylcalix[4]arenes mo
โœ Takayuki Sakurai; Yoshito Takeuchi ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 202 KB

## Abstract Bisโ€, trisโ€, and tetrakisโ€trimethylgermylpropanoyl esters of pโ€tertโ€butylcalix[4]arenes **__5, 7__**, and **__8__** were synthesized and their conformations in solution were determined by ^1^H and ^13^C NMR spectroscopy. The characteristic pair of doublets from the Ar๏ฃฟCH~2~๏ฃฟAr methylene