NewC2-symmetric cyclopentadiene dimer from sodium naphthalenide reduction of 1,3,6-tri-tert-butylfulvene

Autor:	Jane E. B. Johnson, Gina M. Graziano, Gary J. Balaich, Sarah Bragg, Norman E. Heimer
Rok vydání:	2002
Předmět:	chemistry.chemical_classification Tert butyl Diene Dimer Sodium naphthalenide Salt (chemistry) Protonation General Chemistry Condensed Matter Physics Medicinal chemistry chemistry.chemical_compound chemistry General Materials Science Fulvene
Zdroj:	Acta Crystallographica Section E Structure Reports Online. 58:o1010-o1012
ISSN:	1600-5368
DOI:	10.1107/s1600536802013089
Popis:	The sodium naphthalenide reduction of 1,3,6-tri-tert-butyl­fulvene gave the dimer, rac-3,4-bis(1,4-di-tert­butyl­cyclo­penta-1,3-dien-2-yl)-2,2,5,5-tetra­methyl­hexane [C36H62, (II)] after protonation of the disodium salt of the bis­(cyclo­penta­dienyl­ethane) intermediate. Bond distances and angles for (II) are consistent with a bis­(cyclo­penta­diene) structure. The ansa bridge bond is long, at 1.592 (2) A. The substitution pattern on the cyclo­penta­diene rings, as well as the ansa bridge, result in an overall C2 symmetry for (II).
Databáze:	OpenAIRE
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