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Transformations of spirocyclodimers of 1,3-bis(ferrocenylmethylidene)-2-methylidenecycloalkanes in acid medium

Transformations of spirocyclodimers of 1,3-bis(ferrocenylmethylidene)-2-methylidenecycloalkanes... An intramolecular homoannular alkylation of one ferrocenyl substituent in spirocyclodimers of 1,3-bis(ferrocenylmethylidene)-2-methylidenecyclohexanes and -cycloheptanes on treatment with trifluoroacetic acid, leading to the formation of polyfused products containing a three-petal system of six-membered rings in the molecule center, was found. The structure of 11-ferrocenyl-6,14-bis(ferrocenylmethylidene)-2,3-ferroceno-1,2-tetracyclo[8.8.0.05,10.013,18]octadeca-2,13(18)-diene was established by X-ray diffraction analysis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Chemical Bulletin Springer Journals

Transformations of spirocyclodimers of 1,3-bis(ferrocenylmethylidene)-2-methylidenecycloalkanes in acid medium

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Publisher
Springer Journals
Copyright
Copyright © 2002 by Plenum Publishing Corporation
Subject
Chemistry; Chemistry/Food Science, general
ISSN
1066-5285
eISSN
1573-9171
DOI
10.1023/A:1015832621412
Publisher site
See Article on Publisher Site

Abstract

An intramolecular homoannular alkylation of one ferrocenyl substituent in spirocyclodimers of 1,3-bis(ferrocenylmethylidene)-2-methylidenecyclohexanes and -cycloheptanes on treatment with trifluoroacetic acid, leading to the formation of polyfused products containing a three-petal system of six-membered rings in the molecule center, was found. The structure of 11-ferrocenyl-6,14-bis(ferrocenylmethylidene)-2,3-ferroceno-1,2-tetracyclo[8.8.0.05,10.013,18]octadeca-2,13(18)-diene was established by X-ray diffraction analysis.

Journal

Russian Chemical BulletinSpringer Journals

Published: Oct 13, 2004

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