Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Guilherme S. Caleffi"'
Publikováno v:
Molecules, Vol 29, Iss 14, p 3420 (2024)
The (R,R)-Teth-TsDPEN-Ru(II) complex promoted the one-pot double C=O reduction of α-alkyl-β-ketoaldehydes through asymmetric transfer hydrogenation/dynamic kinetic resolution (ATH-DKR) under mild conditions. In this process, ten anti-2-benzyl-1-phe
Externí odkaz:
https://doaj.org/article/86fd507be1104d1fa9c0ae47677d00df
Autor:
Guilherme S. Caleffi, Alice S. Rosa, Luana G. de Souza, João L. S. Avelar, Sarah M. R. Nascimento, Vitor M. de Almeida, Amanda R. Tucci, Vivian N. Ferreira, Alcides J. M. da Silva, Osvaldo A. Santos-Filho, Milene D. Miranda, Paulo R. R. Costa
Publikováno v:
Journal of Natural Products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a2d737f3390a65fb34778e6cd04eba6
https://doi.org/10.1021/acs.jnatprod.3c00249
https://doi.org/10.1021/acs.jnatprod.3c00249
Publikováno v:
Organic Chemistry Frontiers. 9:1165-1194
In this review, we explore the applications of Asymmetric Hydrogenation (AH) and Asymmetric Transfer Hydrogenation (ATH) in the total synthesis of natural flavonoids and their analogues, highlighting the limitations and opportunities in the field.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3db2352fa9c1cd86851fe769e2b7eb6
https://doi.org/10.1039/d1qo01503f
https://doi.org/10.1039/d1qo01503f
Publikováno v:
ChemCatChem. 13:5097-5108
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88673d5dc8a22bdd515713cfe025eb22
https://doi.org/10.1002/cctc.202101252
https://doi.org/10.1002/cctc.202101252
Publikováno v:
The Journal of organic chemistry. 87(21)
The oxo-tethered-Ru(II) precatalyst promoted the one-pot C═C/C═O reduction of chalcones using sodium formate as the hydrogen source in water through asymmetric transfer hydrogenation. Twenty-seven 1,3-diarylpropan-1-ols were obtained in good to e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a600b7f94bba3aae6a0a7b2a14455a2
https://pubmed.ncbi.nlm.nih.gov/36251770
https://pubmed.ncbi.nlm.nih.gov/36251770
Autor:
Juliana de O. C. Brum, Paulo R. R. Costa, Jorge L.O. Domingos, Angela T. Costa, Guilherme S. Caleffi
Publikováno v:
The Journal of organic chemistry. 86(6)
3-Arylidenechroman-4-ones and 2-arylidene-1-tetralones are hydrogenated to cis-benzylic alcohols in dr's and er's up to 99:1 via a C═C and C═O one-pot reduction in the presence of 2-5 mol % Noyori-Ikariya-type RuII chiral complexes and HCO2Na as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd5d6b8c40822cd88b383033d22c4560
https://pubmed.ncbi.nlm.nih.gov/33683900
https://pubmed.ncbi.nlm.nih.gov/33683900
Autor:
Mário L. A. A. Vasconcellos, João Paulo Gomes de Oliveira, Ruver Rodrigues Feitosa Ramalho, Silvia Maria Souza, Tayná Rodrigues Olegário, Everton da Paz Silva, Maísa Cavalcanti Coelho, Guilherme S. Caleffi, Claudio G. Lima-Junior, Boniek G. Vaz, Aleff C. Castro, Rhuan Karlos Santos Mendes, Júlia L. C. Souza, Gardenia C.G. Militão
Publikováno v:
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 2, Pages: 347-354, Published: 01 FEB 2021
Journal of the Brazilian Chemical Society v.32 n.2 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society v.32 n.2 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Morita-Baylis-Hillman adducts (MBHA) is a class of polyfunctional molecules that has been standing out due to their versatility and expressive biological activities. Therefore, this paper describes the synthesis and antiproliferative activity of some
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ada47342910fe79aef19945a90ca4225
https://doi.org/10.21577/0103-5053.20200185
https://doi.org/10.21577/0103-5053.20200185
Publikováno v:
ChemCatChem. 13:5057-5057
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::696e58424a6102d533a406500c535ca6
https://doi.org/10.1002/cctc.202101740
https://doi.org/10.1002/cctc.202101740
Autor:
Rhuan Karlos Santos Mendes, Claudio G. Lima-Junior, João Paulo Gomes de Oliveira, Felipe T. Martins, Mário L. A. A. Vasconcellos, Everton da Paz Silva, Fábio P.L. Silva, Guilherme S. Caleffi, Tayná Rodrigues Olegário
Publikováno v:
Journal of Molecular Structure. 1133:358-368
Herein we describe the design, synthesis and structural characterization by NMR and X-ray of new molecular hybrids 4a - 4c containing the nitroaromatic MBHA moiety and the 7-chloroquinoline pharmacophores, linked by an aliphatic spacer as a model for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba10dcd951a1831731f3789d5d86ddea
https://doi.org/10.1016/j.molstruc.2016.12.022
https://doi.org/10.1016/j.molstruc.2016.12.022