Synthesis and antitumoral activity of novel analogues monastrol–fatty acids against glioma cells
作者:Franciele S. De Oliveira、Patrick M. De Oliveira、Luana M. Farias、Rafael C. Brinkerhoff、Rui Carlos M. A. Sobrinho、Tamara M. Treptow、Caroline R. Montes D'Oca、Marcelo A. G. Marinho、Mariana A. Hort、Ana P. Horn、Dennis Russowsky、Marcelo G. Montes D'Oca
DOI:10.1039/c8md00169c
日期:——
long-chain monastrol analoguesagainst rat glioblastoma cells. The novelanalogues C6-substituted monastrol and oxo-monastrol were synthesized via Biginelli multicomponent condensation of fatty β-ketoester in good yields using a simple approach catalyzed by nontoxic and free-metal sulfamic acid. Following synthesis, their in vitro antitumoral activities were investigated. Notably, all analogues tested were
Synthesis of β-ketoesters from renewable resources and Meldrum's acid
作者:Rafael C. Brinkerhoff、Hernan F. Tarazona、Patrick M. de Oliveira、Darlene C. Flores、Caroline Da R. Montes D'Oca、Dennis Russowsky、Marcelo G. Montes D'Oca
DOI:10.1039/c4ra08986c
日期:——
β-Ketoesters are valuable building blocks for the synthesis of compounds with different biological activities.
β-酮酯是合成具有不同生物活性化合物的宝贵构建模块。
Asymmetric synthesis of long chain β-hydroxy fatty acid methyl esters as new elastase inhibitors
作者:Belma Hasdemir、Hülya Çelik Onar、Ayşe Yusufoğlu
DOI:10.1016/j.tetasy.2012.07.004
日期:2012.7
methyl esters with an even carbon chain length of 12–20 1b–5b were synthesized by three different asymmetric reduction methods I, II III from their corresponding β-keto methyl esters 1a–5a with the aim of determining their elastase activities. In method I, chiral catalyst A was prepared fromchiral ligand (R)-binaphthol 1, while in method II, chiral catalyst B was synthesized from (2R,3R)-diisopropyl tartrate
3-Hydroxy-2-alkyl carboxylic acids related to mycolic acid
作者:Walter J. Gensler、Iftekhar Alam、R.S. Prasad、A.I. Radhakrishna、A.P. Chaudhuri
DOI:10.1016/0040-4020(79)88026-6
日期:1979.1
A series of long-chain 3-hydroxy-2-alkylacids structurally analogous to mycolicacids are reported. The synthesis applied, making use of 3-keto esters as intermediates, permits the insertion of 2-alkyl groups having no structural relationship to the main acid chain.
The invention relates to a novel process for producing a compound having the formula ##STR1## wherein R.sup.1, R.sup.2 and X are described herein, via wherein R corresponding .beta.-keto- and .beta.-hydroxy-.delta.-lactones, as well as novel intermediates which occur in the process.