Synthesis of functionalized cavity structures via 1,3-dipolar cycloaddition of angle-shaped alkenes to curved norbornene-framed dipoles (CROSBI ID 94530)
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Podaci o odgovornosti
Warrener, Ronald, N. ; Margetić, Davor ; Amarasekara, Ananda, S. ; Russell, Richard, A.
engleski
Synthesis of functionalized cavity structures via 1,3-dipolar cycloaddition of angle-shaped alkenes to curved norbornene-framed dipoles
A new approach to the synthesis of cavity molecules is described in which the 1,3 dipolar ACE coupling method is used to join curved frame spacer molecules with obtuse-angled alkenes, The curved frame spacers are comprised of fused norbornenes in which each alternative bridge has the 7-methylene replaced by oxygen. Molecular modeling (AM1) has been used to evaluate the geometry of a selection of bis-crown ether systems, the largest of which has nine norbornane units in the frame, a separation of 20.7 Angstrom and the walls of the cavity having an interplanar angle of 36 degrees.
chemistry
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