Abstract:
Pyranosic enuloses were subjected to Horner-Wadsworth-Emmons (HWE) conditions using the enolate of dimethyl(methoxycarbonyl)methyl phosphonate and its ethyl analogue. 3-O-Phosphorylation of the products as well as an unusual stereospecificity were observed. A mechanism involving a phosphonate-phosphate like rearrangement through a five member intermediate followed by benzoate elimination is proposed.
Registro:
Documento: |
Artículo
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Título: | Anomalous Horner-Wadsworth-Emmons reactions on 3,4-enuloses |
Autor: | Moradei, O.M.; Du Mortier, C.M.; Cirelli, A.F. |
Filiación: | CIHIDECAR Depto. de Quim. Organ., Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
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Palabras clave: | sugar phosphate; article; carbohydrate synthesis; drug synthesis; in vitro study; methodology; nuclear magnetic resonance spectroscopy; priority journal; reaction analysis; stereochemistry |
Año: | 1997
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Volumen: | 53
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Número: | 22
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Página de inicio: | 7397
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Página de fin: | 7402
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DOI: |
http://dx.doi.org/10.1016/S0040-4020(97)00425-0 |
Título revista: | Tetrahedron
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Título revista abreviado: | TETRAHEDRON
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ISSN: | 00404020
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CODEN: | TETRA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00404020_v53_n22_p7397_Moradei |
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Citas:
---------- APA ----------
Moradei, O.M., Du Mortier, C.M. & Cirelli, A.F.
(1997)
. Anomalous Horner-Wadsworth-Emmons reactions on 3,4-enuloses. Tetrahedron, 53(22), 7397-7402.
http://dx.doi.org/10.1016/S0040-4020(97)00425-0---------- CHICAGO ----------
Moradei, O.M., Du Mortier, C.M., Cirelli, A.F.
"Anomalous Horner-Wadsworth-Emmons reactions on 3,4-enuloses"
. Tetrahedron 53, no. 22
(1997) : 7397-7402.
http://dx.doi.org/10.1016/S0040-4020(97)00425-0---------- MLA ----------
Moradei, O.M., Du Mortier, C.M., Cirelli, A.F.
"Anomalous Horner-Wadsworth-Emmons reactions on 3,4-enuloses"
. Tetrahedron, vol. 53, no. 22, 1997, pp. 7397-7402.
http://dx.doi.org/10.1016/S0040-4020(97)00425-0---------- VANCOUVER ----------
Moradei, O.M., Du Mortier, C.M., Cirelli, A.F. Anomalous Horner-Wadsworth-Emmons reactions on 3,4-enuloses. TETRAHEDRON. 1997;53(22):7397-7402.
http://dx.doi.org/10.1016/S0040-4020(97)00425-0