Crystal structures of 6-cyclo-propyl-1,3-diphenylfulvene and 6-(2,3-di-meth-oxy-naphth-yl)-1,3-di-phenylfulvene

Acta Crystallographica. Section E, Crystallographic Communications
Loren C BrownGary J Balaich

Abstract

The title compounds, 6-cyclo-propyl-1,3-diphenylfulvene, C21H18, [systematic name: 5-(cyclo-propyl-methyl-idene)-1,3-di-phen-yl-cyclo-penta-1,3-diene], 1, and 6-(2,3-di-meth-oxy-naphth-yl)-1,3-diphenylfulvene, C30H24O2, {systematic name: 5-[(3,4-di-meth-oxy-naphthalen-2-yl)methyl-idene]-1,3-di-phenyl-cyclo-penta-1,3-di-ene}, 2, were prepared from 1,3-di-phenyl-cyclo-penta-diene, pyrrolidine, and the corresponding aldehydes in an ethano-lic solution. Each structure crystallizes with one mol-ecule per asymmetric unit and exhibits the alternating short and long bond lengths typical of fulvenes. A network of C-H⋯C ring inter-actions as well as C-H⋯O inter-actions is observed, resulting in the compact packing found in each structure.

References

May 31, 2013·Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials·Simon ParsonsTrixie Wagner
Dec 30, 2014·Acta Crystallographica. Section A, Foundations and Advances·George M Sheldrick
Jan 9, 2015·Acta Crystallographica. Section C, Structural Chemistry·George M Sheldrick
Apr 7, 2016·Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials·Colin R GroomSuzanna C Ward
Oct 1, 2016·The Journal of Organic Chemistry·Nicholas P GodmanScott T Iacono
Sep 19, 2018·Acta Crystallographica. Section E, Crystallographic Communications·Andrew J PeloquinScott T Iacono
Dec 13, 2018·The Journal of Organic Chemistry·Paul SieverdingPaul Kögerler

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