Synthesis and characterization of 1-aza-4-oxa-7-thiacyclononane: A novel azacrown heterocycle
Titel:
Synthesis and characterization of 1-aza-4-oxa-7-thiacyclononane: A novel azacrown heterocycle
Auteur:
Dopke, Joel A. Hugdahl, Jeffrey D. Klausmeyer, Kevin K. Brill, Matthew P. Jaremkoĩ, Daniel S.
Verschenen in:
Main group chemistry
Paginering:
Jaargang 10 (2011) nr. 2 pagina's 153-163
Jaar:
2011-05-02
Inhoud:
The heterocycle 1-aza-4-oxa-7-thiacyclononane ([9]aneNOS, 5) was prepared from the intermediate N-p-toluenesulfonyl-1-aza-4-oxa-7-thiacyclononane (3) upon its deprotection via Na/Hg amalgam. The byproduct, N,N′-bis-(p-tolylsulfonyl)-1,13-diaza-7,16-dioxa-4,10-dithiacylododecane (4), was also isolated from the pot mixture of 3. Compound 5 was characterized by 1H and 13C NMR, and IR spectroscopy. Compounds 3 and 4 were characterized by 1H and 13C NMR, and IR spectroscopy, elemental analysis, and X-ray crystallography. The reaction of 5 with Ni(BF4)2·6 H2O in methanol produced the sandwich complex ([9]aneNOS)2Ni(BF4)2, 6, which was characterized by UV-visible and IR spectroscopy, elemental analysis, and X-ray crystallography.
Uitgever:
IOS Press
Bronbestand:
Elektronische Wetenschappelijke Tijdschriften
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