Zobrazeno 1 - 10
of 94
pro vyhledávání: '"E. Teso Vilar"'
Autor:
A. García Martínez, E. Teso Vilar, A. García Fraile, S. de la Moya Cerero, B. Lora Maroto, C. Díaz Morillo, T. de las Casas Engel
Publikováno v:
ARKIVOC, Vol 2010, Iss 3, Pp 15-22 (2009)
Externí odkaz:
https://doaj.org/article/76686d2099cd4e399b5cad1d5baf12ed
Autor:
P. P. Garcia Alvarez, E. Teso Vilar, A. Garcia Martinez, A. Garcia Fraile, P. Martinez Ruiz, S. De La Moya Cerero
Publikováno v:
Tetrahedron: Asymmetry. 8:849-852
An expeditious procedure for the enantiospecific preparation of the trans -2,3-disubstituted cyclopentanone moiety starting from natural 2-norbornanones is described. New reaction conditions for the reaction of sterically hindered ketones with trifli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e3491f1b1810194ed00df3feae7d1c9
https://doi.org/10.1016/s0957-4166(97)00072-4
https://doi.org/10.1016/s0957-4166(97)00072-4
Autor:
E. Teso Vilar, A. Garcia Martinez, S. De La Moya Cerero, A. Garcia Fraile, P. Martinez Ruiz, L. R. Subramanian
Publikováno v:
Tetrahedron: Asymmetry. 7:2177-2180
The cleavage of the C 1 -C 2 bond in norbornane derivatives is accomplished by base-promoted hydrolysis of α-nitroketones, periodate oxidation or Beckmann fragmentation of suitable precursors prepared from the 2-norbornanones 1 . These reactions are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7bd99d113f63a1e74bda834e788c0b1
https://doi.org/10.1016/0957-4166(96)00264-9
https://doi.org/10.1016/0957-4166(96)00264-9
Autor:
A.García Fraile, S. De La Moya Cerero, A. Garcia Martinez, E. Teso Vilar, P. Martinez Ruiz, Lakshminarayanapuram R. Subramanian
Publikováno v:
Tetrahedron: Asymmetry. 7:1257-1260
New homochiral 1,2-amino hydroxy derivatives of norbornane are easily prepared starting from naturally occurring 2-norbornanones.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4c60ce0682b0f2b085fb1f452f00eef
https://doi.org/10.1016/0957-4166(96)00136-x
https://doi.org/10.1016/0957-4166(96)00136-x
Autor:
J. Osío Barcina, A.García Fraile, A. Garcia Martinez, E. Teso Vilar, R. Martinez Alvarez, Lakshminarayanapuram R. Subramanian
Publikováno v:
Tetrahedron. 51:7077-7084
The solvolysis of 7,7-bis(trifluoromethylsulfonyloxy)-2-norbornene ( 1a ), 1-trifluoromethylsulfonyloxy-1-phenylethylene ( 2a ), 2-methyl-1-cyclohexen-1-yl triflate ( 3a ) and 4-camphenyl triflate ( 4a ) in carbon disulfide or diethyl ether with adde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5df5e335bd3f9ac11879203ec98234e0
https://doi.org/10.1016/0040-4020(95)00388-o
https://doi.org/10.1016/0040-4020(95)00388-o
Autor:
A. Garcia Martinez, Lakshminarayanapuram R. Subramanian, E. Teso Vilar, M. Iglesias de Dios, M. E. Rodriguez Herrero, J. Osío Barcina
Publikováno v:
Tetrahedron Letters. 35:7285-7288
The σ-participation of the C 2 -C 3 and C 4 -C 7 bonds in the solvolysis of methyl substituted 1-norbornyl triflates is evaluated by application of the additivity principle. It is concluded that the σ-participation of the C 2 -C 3 bond is dependent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::751335054ee0473097c894ba90307dc2
https://doi.org/10.1016/0040-4039(94)85383-5
https://doi.org/10.1016/0040-4039(94)85383-5
Autor:
E. Teso Vilar, L. R. Subramanian, A. Garcia Martinez, J. M. Gonzalez-Fleitas De Diego, A. Garcia Fraile, S. De La Moya Cerero
Publikováno v:
Tetrahedron: Asymmetry. 5:1599-1603
A general method for the preparation of the title compounds from naturally occurring homochiral 2-norbornanones is presented. The key step is the Tf 2 O induced Wagner-Meerwein rearrangement of the corresponding cyanohydrins.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39cb6d6986d9890673141a687924de24
https://doi.org/10.1016/0957-4166(94)80130-4
https://doi.org/10.1016/0957-4166(94)80130-4
Publikováno v:
Tetrahedron: Asymmetry. 5:1373-1376
(+)-(1 R ,2 S )-1,2-dihydroxy-7,7-dimethylnorbornane ( 3 ) and (−)-(1 R ,2 R )-1,2-dihydroxy-3,3-dimethylnorbornane ( 12 ) have been obtained from (−)-fenchone and (+)-camphor.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c4e2ac912904888b362e01105eb1a79
https://doi.org/10.1016/0957-4166(94)80180-0
https://doi.org/10.1016/0957-4166(94)80180-0
Autor:
E. Teso Vilar, C. Maichle, L. R. Subramanian, S. De La Moya Cerero, A. Garcia Fraile, C. Diaz Oliva, A. Garcia Martinez
Publikováno v:
Tetrahedron: Asymmetry. 5:949-954
The fragmentation of 2-norbornanone oximes 2 was achieved by reaction with Tf2O/pyridine under mild reaction conditions, yielding homochiral (or racemic) cyclopentane derivativel.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31643754b564efd43fc4a0a41420dec0
https://doi.org/10.1016/s0957-4166(00)86247-3
https://doi.org/10.1016/s0957-4166(00)86247-3
Autor:
Lakshminarayanapuram R. Subramanian, M. Iglesias de Dios, M. E. Rodriguez Herrero, E. Teso Vilar, J. Osío Barcina, A. Garcia Martinez
Publikováno v:
Tetrahedron Letters. 35:1793-1796
The solvolysis of 4,7,7-trimethyl-1-norbornyl triflate (5) proceeds under σ-participation of the C4C7 bond, with formation of the σ bridged cation 22 as intermediate.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d232ed57d360f7e5754d49d3655f5c1a
https://doi.org/10.1016/0040-4039(94)88348-3
https://doi.org/10.1016/0040-4039(94)88348-3