Synthesis and1H NMR Spectral Behavior of a Methano[20]annulenedione Derivative

Autor:	Hiroyuki Higuchi, Gaku Yamamoto, Yoshie Takai, Juro Ojima
Rok vydání:	1992
Předmět:	Diketone chemistry.chemical_compound Bicyclic molecule Computational chemistry Chemistry Stereochemistry Proton NMR General Chemistry Nuclear magnetic resonance spectroscopy Annulene Methylene Aliphatic compound Derivative (chemistry)
Zdroj:	Chemistry Letters. 21:875-878
ISSN:	1348-0715 0366-7022
DOI:	10.1246/cl.1992.875
Popis:	A potential 18π-electron system, 11,16-dimethyl-12,14-bisdehydro-1,6-methano[20]annulene-7,20-dione was synthesized and its 1H NMR spectral behavior in CDCl3, CF3CO2D, and D2SO4 was studied. The energy barrier to the methylene flipping was highly dependent on the medium.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a035abc27c0a30302fe7a6a9e1d558e3 https://doi.org/10.1246/cl.1992.875 Zobrazit plný text záznamu