Synthesis and spatial structure of novel organosilicon derivatives of <Emphasis Type="Italic">p-tert</Emphasis>-butylthiacalix[4]arene from two-dimensional NMR data |
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| Authors: | I I Stoikov O A Mostovaya I S Antipin A I Konovalov M Grüner W D Habicher |
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| Institution: | (1) Kazan State University, 18 ul. Kremlevskaya, 420008 Kazan, Russian Federation;(2) A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center of the Russian Academy of Sciences, 8 ul. Akad. Arbuzova, 420088 Kazan, Russian Federation;(3) Institute of Organic Chemistry, Dresden Technical University, 13 Mommsenstrasse, D-01062 Dresden, Germany |
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| Abstract: | New organosilicon derivatives of p-tert-butylthiacalix4]arene with one or two ring fragments at the macrocycle lower rim were synthesized. The spatial structures
of the resulting compounds were established by two-dimensional NMR spectroscopy. On going from the methyl substituents at
the silicon atom to phenyl substituents, closure of the second silicon-containing ring is hampered because of steric hindrance
in the reaction site.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 297–302, February, 2007. |
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| Keywords: | p-tert-butylthiacalix[4]arene silylation cyclophanes functionalization organosilicon compounds two-dimensional NMR spectroscopy |
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