Artículo
Cross metathesis of several methylenecyclopentane derivatives
Camps, Pelayo; Gómez, Tània; Buden, Maria Eugenia
; Otermin, Ane; Calvet, Teresa; Font Bardia, Mercé
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Fecha de publicación:
07/2013
Editorial:
Elsevier
Revista:
Tetrahedron
ISSN:
0040-4020
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The cross metathesis (CM) of several methylenecyclopentane derivatives using HoveydaeGrubbs second generation catalyst 4 (5e10 mol %) has been studied. Medium to good yields of tetrasubstituted alkenes have been obtained. In the case of 8-methyl-2,5-dimethylene-2,3,5,6-tetrahydro-1H,4H-3a,6a-(methanoiminomethano)pentalene-7,9-dione 2 products from single, double and triple CM were formed. With 8-methyl-5-methylene-5,6-dihydro-3a,6a-(methanoiminomethano)pentalene-2,7,9(1H,3H,4H)-trione 3 a good yield of the CM product was obtained working at 140 C in xylene for 3 d, showing the high thermal stability of this catalyst. In the CM of diene 2 and enone 3, the main products were always the anti-stereoisomers.
Palabras clave:
Cross Metathesis
,
Cyclopentane
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Articulos(INFIQC)
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Articulos de INST.DE INVESTIGACIONES EN FISICO- QUIMICA DE CORDOBA
Citación
Camps, Pelayo; Gómez, Tània; Buden, Maria Eugenia; Otermin, Ane; Calvet, Teresa; et al.; Cross metathesis of several methylenecyclopentane derivatives; Elsevier; Tetrahedron; 69; 35; 7-2013; 7234-7242
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