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Communication | Special issue | Vol 52, No. 1, 2000, pp.103-109
Published online, 1st January, 1970■ Multiturn Helical Self-Organization of Extended Alternating Pyridine-Pyrimidine Strands
Published online, 1st January, 1970
DOI: 10.3987/COM-99-S33
■ Multiturn Helical Self-Organization of Extended Alternating Pyridine-Pyrimidine Strands
Masakazu Ohkita, Jean-Marie Lehn,* Gerhard Baum, and Dieter Fenske
*Laboratoire de Chimie Supramoléculaire, ISIC, Université de Louis Pasteur, 4, rue Blaise Pascal, F-67000 Strasbourg, France
Abstract
The preprogrammed achiral oligomers (3) and (4), composed of pyridine-pyrimidine sequences containing up to 27 heterocycles, undergo self-organization into extended multitum helical structures both in solution and in the solid state, with spontaneous chiral resolution of 3 on crystallization.
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