A new tribrominated-nitro-dihydroxydiphenyl ether has been designed and synthesized,and characterized by‘HNMR,MS,IR spectra and elemental analysis.The bioactivity test showed this compound possessed good antimicrobia...A new tribrominated-nitro-dihydroxydiphenyl ether has been designed and synthesized,and characterized by‘HNMR,MS,IR spectra and elemental analysis.The bioactivity test showed this compound possessed good antimicrobial activities against eight bacteria.展开更多
Four brominated dihydroxy diphenyl ethers were designed and synthesized.Their antimicrobial activities indicated that these compounds possessed antimicrobial activities toward the tested bacterium.
A new method for synthesizing 3-methyl-2-penten-4-yn-1-hyde has been devoloped.Starting start with acetone,methyl formate,bromoethane etc,target molecule was given after adol reaction,addion reaction,grignard reaction...A new method for synthesizing 3-methyl-2-penten-4-yn-1-hyde has been devoloped.Starting start with acetone,methyl formate,bromoethane etc,target molecule was given after adol reaction,addion reaction,grignard reaction and hydrolyze reaction.Effects of dosage of EtMgBr and method of synthesis were studied.The process provides an eco-friendly,high yielding synthetic methodology.The yield of producing 3-methyl-2-penten-4-yn-1-hyde was up to 45%.All products were determined by 1H NMR.展开更多
文摘A new tribrominated-nitro-dihydroxydiphenyl ether has been designed and synthesized,and characterized by‘HNMR,MS,IR spectra and elemental analysis.The bioactivity test showed this compound possessed good antimicrobial activities against eight bacteria.
文摘Four brominated dihydroxy diphenyl ethers were designed and synthesized.Their antimicrobial activities indicated that these compounds possessed antimicrobial activities toward the tested bacterium.
文摘A new method for synthesizing 3-methyl-2-penten-4-yn-1-hyde has been devoloped.Starting start with acetone,methyl formate,bromoethane etc,target molecule was given after adol reaction,addion reaction,grignard reaction and hydrolyze reaction.Effects of dosage of EtMgBr and method of synthesis were studied.The process provides an eco-friendly,high yielding synthetic methodology.The yield of producing 3-methyl-2-penten-4-yn-1-hyde was up to 45%.All products were determined by 1H NMR.
