GEOMETRICAL ISOMERISM IN β-NITROSTYRENES: PREFERRED CONFORMATIONS OF (E)- AND (Z)- 1-(4-METHYLTHIOPHENYL)-2-NITROBUTENES

GEOMETRICAL ISOMERISM IN β-NITROSTYRENES: PREFERRED CONFORMATIONS OF (E)- AND (Z)- 1-(4-METHYLTHIOPHENYL)-2-NITROBUTENES

Condensation of 4-methylthiobenzaldehyde with 1-nitropropane unexpectedly afforded separable amounts of both (E)- and (Z)-1-(4-methylthiophenyl)-2-nitrobutene. The ¹H and 13C NMR spectra allowed the unequivocal assignment of all signals and their correlation with the preferred conformations adopted...

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Autores principales: HURTADO-GUZMÁN,CLAUDIO, ITURRIAGA-VÁSQUEZ,PATRICIO, ZAPATA-TORRES,GERALD, CASSELS,BRUCE K
Lenguaje:English
Publicado: Sociedad Chilena de Química 2004
Materias:
-nitrostyrene geometrical isomers
preferred conformations
NMR studies
RHF/6-311G(d,p) calculations
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300013
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