3-Octyl-thiophene is a reactive monomer important derivatives of polythiophen.3-Octyl-thiophene is prepared by coupling 3-bromothiophene with n-octane bromide.The products of the reaction are analyzed by gas chromatog...3-Octyl-thiophene is a reactive monomer important derivatives of polythiophen.3-Octyl-thiophene is prepared by coupling 3-bromothiophene with n-octane bromide.The products of the reaction are analyzed by gas chromatograph-mass spectrometry.The results show that there are four kinds of compounds in the reactive liquid.The main yield is 3-octyl-thiophene,while main by-product is 3,3’-bithiophene.展开更多
2-Acetyl-hexanoic acid ethyl ester is one of important derivatives.It has been used widely useful materials as anesthetics,spice,medicine and so on.The reaction liquid of acetyl-acetic acid ethyl ester with n-butane b...2-Acetyl-hexanoic acid ethyl ester is one of important derivatives.It has been used widely useful materials as anesthetics,spice,medicine and so on.The reaction liquid of acetyl-acetic acid ethyl ester with n-butane bromide was analyzed by gas chromatograph-mass spectrometry.The results show that there are four kinds of compounds in the reaction liquid.The main yield is 2-acetyl-hexanoic acid ethyl ester,while by-products are 2-acetyl-2-butyl-hexanoic acid ethyl ester and 3-butoxy-2-butenoic acid ethyl ester.展开更多
文摘3-Octyl-thiophene is a reactive monomer important derivatives of polythiophen.3-Octyl-thiophene is prepared by coupling 3-bromothiophene with n-octane bromide.The products of the reaction are analyzed by gas chromatograph-mass spectrometry.The results show that there are four kinds of compounds in the reactive liquid.The main yield is 3-octyl-thiophene,while main by-product is 3,3’-bithiophene.
文摘2-Acetyl-hexanoic acid ethyl ester is one of important derivatives.It has been used widely useful materials as anesthetics,spice,medicine and so on.The reaction liquid of acetyl-acetic acid ethyl ester with n-butane bromide was analyzed by gas chromatograph-mass spectrometry.The results show that there are four kinds of compounds in the reaction liquid.The main yield is 2-acetyl-hexanoic acid ethyl ester,while by-products are 2-acetyl-2-butyl-hexanoic acid ethyl ester and 3-butoxy-2-butenoic acid ethyl ester.