Synthesis, evaluation against Leishmania amazonensis and cytotoxicity assays in macrophages of sixteen new congeners Morita–Baylis–Hillman adducts
摘要:
We report the design, synthesis, in vitro evaluation against Leishmania amazonensis (IC50), cytotoxicity assays in macrophages (CC50), and selectivity index (SI=-CC50/IC50) of sixteen new congeners aromatic Morita-Baylis-Hillman adducts 1-16. The 1-16 were prepared in good to excellent yields (58%-97%) from the "one pot" Morita-Baylis-Hillman Reaction between the aldehydes 29-36 and the acrylates 27 or 28 under DABCO as promoter. The MBHA 2-[Hydroxy(2-nitrophenyl)propyl] propanoate (1, IC50 = 7.52 mu g/mL or 28.38 mu M; CC50 = 35.77 mu g/mL or 134.98 mu M; SI = 4.75) and 2-[Hydroxy(2-[nitrophenyl)hydroxyethyl] propanoate (9, IC50 = 5.48 mu g/mL or 20.52 mu M; CC50 = 29.81 mu g/mL or 111.64c mu M and, SI = 5.43) were the most effective and safe evaluated compounds. (C) 2011 Elsevier Masson SAS. All rights reserved.
A chiral squaramide-catalyzed asymmetric dearomative tandem annulation reaction through a kinetic resolution of MBH alcohols: highly enantioselective synthesis of three-dimensional heterocyclic compounds
dearomative tandem annulation reaction of unmodified Morita–Baylis–Hillman alcohols with azomethine imines has been achieved through a kinetic resolution of MBH alcohols under mild conditions, giving pharmaceutically interesting functionalized hetero-bicyclo[3.3.1]nonane derivatives in good to excellent yields with excellent enantioselectivities.
Synthesis, evaluation against Leishmania amazonensis and cytotoxicity assays in macrophages of sixteen new congeners Morita–Baylis–Hillman adducts
作者:Fábio P.L. Silva、Priscilla A.C. de Assis、Claudio G.L. Junior、Natália G. de Andrade、Saraghina M.D. da Cunha、Márcia R. Oliveira、Mário L.A.A. Vasconcellos
DOI:10.1016/j.ejmech.2011.06.036
日期:2011.9
We report the design, synthesis, in vitro evaluation against Leishmania amazonensis (IC50), cytotoxicity assays in macrophages (CC50), and selectivity index (SI=-CC50/IC50) of sixteen new congeners aromatic Morita-Baylis-Hillman adducts 1-16. The 1-16 were prepared in good to excellent yields (58%-97%) from the "one pot" Morita-Baylis-Hillman Reaction between the aldehydes 29-36 and the acrylates 27 or 28 under DABCO as promoter. The MBHA 2-[Hydroxy(2-nitrophenyl)propyl] propanoate (1, IC50 = 7.52 mu g/mL or 28.38 mu M; CC50 = 35.77 mu g/mL or 134.98 mu M; SI = 4.75) and 2-[Hydroxy(2-[nitrophenyl)hydroxyethyl] propanoate (9, IC50 = 5.48 mu g/mL or 20.52 mu M; CC50 = 29.81 mu g/mL or 111.64c mu M and, SI = 5.43) were the most effective and safe evaluated compounds. (C) 2011 Elsevier Masson SAS. All rights reserved.