Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Perin, A"'
Autor:
Ítalo F. C. Dias, José Edmilson R. Nascimento, Thiago Barcellos, Eder J. Lenardão, Gelson Perin, Daniela H. de Oliveira, Thalita F.B. de Aquino, Diego Alves, Raquel G. Jacob
Publikováno v:
Tetrahedron Letters. 59:1080-1083
An efficient copper-catalyzed multicomponent reaction was developed for the synthesis of (arylselanyl)- or (arylsulfenyl)-alkyl-1,2,3-triazolo-1,3,6-triazonines. The products were obtained in moderate to excellent yields via the reaction of o-phenyle
Autor:
Angélica S. Reis, Thiago J. Peglow, Gelson Perin, Roberta Cargnelutti, Ethel A. Wilhelm, Ricardo F. Schumacher, Cristiane Luchese
Publikováno v:
Tetrahedron Letters. 58:3734-3738
We describe here an alternative method to prepare bis(2-pyridyl) diselenide derivatives using reduced selenium species, generated in situ, and different 2-chloropyridines promoted by p-TSOH in PEG-400 as solvent. This is a straightforward protocol to
Autor:
de Aquino, Thalita F.B., Seidel, Jessica P., de Oliveira, Daniela H., do Nascimento, José Edmilson R., Alves, Diego, Perin, Gelson, Lenardão, Eder J., Schumacher, Ricardo F., Jacob, Raquel G.
Publikováno v:
In Tetrahedron Letters 14 November 2018 59(46):4090-4095
Autor:
Aquino, Thalita B., do Nascimento, José Edmilson R., Dias, Ítalo F.C., de Oliveira, Daniela H., Barcellos, Thiago, Lenardão, Eder J., Perin, Gelson, Alves, Diego, Jacob, Raquel G.
Publikováno v:
In Tetrahedron Letters 21 March 2018 59(12):1080-1083
Autor:
Peglow, Thiago J., Schumacher, Ricardo F., Cargnelutti, Roberta, Reis, Angélica S., Luchese, Cristiane, Wilhelm, Ethel A., Perin, Gelson
Publikováno v:
In Tetrahedron Letters 20 September 2017 58(38):3734-3738
Autor:
Kimberley L. Callaghan, Débora M. Martinez, Angelita M. Barcellos, Angela Maria Casaril, Eder J. Lenardão, Gelson Perin, Lucielli Savegnago, Carl H. Schiesser
Publikováno v:
Tetrahedron Letters. 56:2243-2246
Two new organochalcogen-containing zingerone derivatives, 4-(4-hydroxy-3-methoxyphenyl)-4-(phenylseleno)-2-butanone ( 2b ) and 4-(4-hydroxy-3-methoxyphenyl)-4-(phenylthio)-2-butanone ( 2c ) were prepared and evaluated for their antioxidant properties
Publikováno v:
Tetrahedron Letters. 55:5652-5655
Nucleophilic species of tellurium and sulfur were generated in situ from the reaction of the respective diorganyl dichalcogenides with NaBH 4 in PEG-400 as solvent and selectively added to electron-deficient alkenes. Chalcogenolate anions were direct
Autor:
do Nascimento, José Edmilson R., Gonçalves, Lóren C.C., Hooyberghs, Geert, Van der Eycken, Erik V., Alves, Diego, Lenardão, Eder J., Perin, Gelson, Jacob, Raquel G.
Publikováno v:
In Tetrahedron Letters 2 November 2016 57(44):4885-4889
Autor:
Webber, Rodrigo, Peglow, Thiago J., Nobre, Patrick C., Barcellos, Angelita M., Roehrs, Juliano A., Schumacher, Ricardo F., Perin, Gelson
Publikováno v:
In Tetrahedron Letters 14 September 2016 57(37):4128-4132
Autor:
Liane K. Soares, Renata G. Lara, Raquel G. Jacob, Diego Alves, Gelson Perin, Eder J. Lenardão
Publikováno v:
Tetrahedron Letters. 55:992-995
We present herein our results on the nucleophilic addition of imidazole to a range of arylselanylalkynes by simple heating in DMF without any additives to give ( Z )-1-(1-organyl-(2-arylselanyl)vinyl)-1H-imidazoles. The reactions were performed under