Molecular geometry and optical activity of helically chiral N-nitrosamines derived from 1,2,3,4-tetrahydro- and 1,2,3,4,7,8,9,10-octahydro-1,10-phenanthroline - Publikacja - MOST Wiedzy

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Molecular geometry and optical activity of helically chiral N-nitrosamines derived from 1,2,3,4-tetrahydro- and 1,2,3,4,7,8,9,10-octahydro-1,10-phenanthroline

Abstrakt

X-ray crystallographic analysis of the title N-nitrosamines revealed that they assume helical conformations in the solid state. Nitrosamines 1b and 2b were resolved by inclusion crystallization with optically active diols (TADDOLs). The absolute configuration of the guest molecules in the complexes 1b·3b and 2b·3b was assigned as M. The optical activity of the resolved compounds is manifested by their solid state CD spectra, which showed relatively strong Cotton effects in the region of the nitrosamine n–π∗ transition. Theoretical calculations of the electronic and CD spectra performed by classic ab initio methods predicted the correct Cotton effect signs of 1b and 2b.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
TETRAHEDRON-ASYMMETRY nr 26, wydanie 12-13, strony 662 - 665,
ISSN: 0957-4166
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Olszewska T., Herman A., Sikorski A.: Molecular geometry and optical activity of helically chiral N-nitrosamines derived from 1,2,3,4-tetrahydro- and 1,2,3,4,7,8,9,10-octahydro-1,10-phenanthroline// TETRAHEDRON-ASYMMETRY. -Vol. 26, iss. 12-13 (2015), s.662-665
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.tetasy.2015.04.008
Weryfikacja:
Politechnika Gdańska

wyświetlono 113 razy

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