Synthesis and Molecular Docking Studies of Novel 2-(2-Amino-6-Phenyl-4-Pyrimidinylamino) Ethanol Derivatives: Using Ring-Opening Reactions of Cyclic Ketene-N,O-Acetal
作者:Ravi Kumar G. M. V. N. A. R.、Arumugam Thangamani
DOI:10.13005/ojc/330361
日期:2017.6.28
A series of six novel 2-(2-amino-6-phenyl-4-pyrimidinylamino) ethanol derivatives have been synthesized starting from commercially available substituted acetophenones via OxoketeneDithioacetals with high yields. Ketene dithioacetals to react with 2-aminoethanol or l-amino-2-propanol to afford the corresponding substituted 2-methyleneoxazolidines which are utilized in the synthesis of 6-aryl-2-amino-4-pyrimidinamine Derivatives. The molecular docking studies revealed that all the synthesized compounds best fit into the active site of HDAC2, anti-cancer protein.
Synthesis via 2-Acylmethyl-2-oxazoline. I. A Novel Synthesis of 3-Acyl-2-pyridones by Michael Addition of 2-Acylmethyl-2-oxazoline to<i>α</i>,<i>β</i>-Acetylenic Ketones
The reaction of the sodium salt of 2-acylmethyl-4,4-dimethyl-2-oxazolines with α,β-acetylenicketones in ethanol gave Michael adducts, which were easily transformed to 4,6-disubstituted 3-acyl-1-(2-hydroxy-1,1-dimethylethyl)-2-pyridones by silica gel. N-Dealkylation of the pyridones was performed using hydrochloric acid in good yields. Deacylation of the pyridones was performed using potassium hydroxide
Regiochemistry of an ambident cyclic ketene-N,O-acetal nucleophile and its anion toward electrophiles
作者:Yingquan Song、Hondamuni I. De Silva、William P. Henry、Guozhong Ye、Sabornie Chatterjee、Charles U. Pittman
DOI:10.1016/j.tetlet.2011.06.023
日期:2011.8
O-trisbenzoylated 9, and reacted with phenyl chloroformate to give the similar ring-opened carbonic acid 3-[(2-chloro-ethyl)-phenoxycarbonyl-amino]-3-oxo-1-phenyl-propenyl ester phenyl ester, 13. In contrast, ambident anion 2 reacted with benzoyl chloride to give the β,β-bisbenzoylated cyclic ketene-N,O-acetal, 16, and reacted with phenyl chloroformate to give the novel heterocycle 3-(2-hydroxy-ethyl)-6-phenyl-[1