Aliphatic amino acid biosynthesis inhibitors and a method of synthesizing the same
申请人:Sardari Soroush
公开号:US08569361B1
公开(公告)日:2013-10-29
The embodiments herein provide a composition and a method of synthesizing a composition comprising an aliphatic amino acid biosynthesis inhibitor having an antifungal activity. The composition comprises 2-oxo-2H-chromen-7-yl propiolate, diethyl-hex-2-en-4-yne-dioate and dinonyl-hex-2-en-4-yne-dioate. The composition inhibits a biosynthesis of an aliphatic amino acid in a fungal biological system. The aliphatic amino acid is selected from a group consisting of leucine, isoleucine and valine. The composition is used with a concentration of 0-200 μg/ml. The method comprises mixing solutions of dicyclohexylcarbodiimide (DCC) and Dimethylaminopyridine (DMAP) with alcohol, acetylene carboxylic acid and dichloromethane to obtain a mixture which is stirred filtered and washed with ether. The solvents are evaporated to obtain a residue that is dissolved in dichloromethane and stirred with a catalyst. The extra solvents are evaporated to obtain the derivative compound and purified by silica gel column chromatography.
ALIPHATIC AMINO ACID BIOSYNTHESIS INHIBITORS AND A METHOD OF SYNTHESIZING THE SAME
申请人:Sardari Soroush
公开号:US20130289104A1
公开(公告)日:2013-10-31
The embodiments herein provide a composition and a method of synthesizing a composition comprising an aliphatic amino acid biosynthesis inhibitor having an antifungal activity. The composition comprises 2-oxo-2H-chromen-7-yl propiolate, diethyl-hex-2-en-4-yne-dioate and dinonyl-hex-2-en-4-yne-dioate. The composition inhibits a biosynthesis of an aliphatic amino acid in a fungal biological system. The aliphatic amino acid is selected from a group consisting of leucine, isoleucine and valine. The composition is used with a concentration of 0-200 μg/ml. The method comprises mixing solutions of dicyclohexylcarbodiimide (DCC) and Dimethylaminopyridine (DMAP) with alcohol, acetylene carboxylic acid and dichloromethane to obtain a mixture which is stirred filtered and washed with ether. The solvents are evaporated to obtain a residue that is dissolved in dichloromethane and stirred with a catalyst. The extra solvents are evaporated to obtain the derivative compound and purified by silica gel column chromatography.
A newmethod has been developed to prepare N-vinyl sulfoximines via a DABCO-participated Michael addition of carbonyl alkynes with N-chlorosulfoximines in the absence of metal. Various N-chlorosulfoximines and carbonyl alkynes were used as substrates in this novel protocol successfully, and only the corresponding (E)-N-vinyl sulfoximines were afforded in moderate yields. The establishment of this new
开发了一种新方法,通过 DABCO 参与的羰基炔烃与N-氯亚砜亚胺在无金属存在下的迈克尔加成反应制备 N-乙烯基亚砜亚胺。各种N -氯亚砜亚胺和羰基炔烃被成功地用作该新方案中的底物,并且仅以中等产率提供了相应的 ( E )- N -乙烯基亚砜亚胺。这种与空气相容性好、效率高且避免过渡金属的新合成方法的建立,将为在绿色、简单的条件下获得功能性N-乙烯基亚砜亚胺提供一种替代途径。
Visible‐Light‐Irradiated Multicomponent Reactions of Aliphatic Amines, Propiolate Acid Esters, and CF<sub>3</sub>SO<sub>2</sub>Na for Accessing <i>β</i>‐CF<sub>3</sub> Enamines
A novel visible-light driven two-step one-pot multicomponent reactions of aliphaticamines and propiolate acid esters for preparation of β-CF3 enamines has been reported.