Adipic-1′,6′-bis(4-halogenpheny1 hydrazine) has been synthesized in ice bath with adipic chloride and 4-bromophenyl hydrazine made by ourselves.At the same time,adipic-1′,6′-bis(4-halogenpheny1 hydrazine) is synth...Adipic-1′,6′-bis(4-halogenpheny1 hydrazine) has been synthesized in ice bath with adipic chloride and 4-bromophenyl hydrazine made by ourselves.At the same time,adipic-1′,6′-bis(4-halogenpheny1 hydrazine) is synthesized firstly with oxidation system NaBrO3/H2SO4.The products are confirmed by elemental analysis,IR and 1HNMR.The yields of adipic-1′,6′-bis(4-halogenpheny1 hydrazine) is 83-92%.展开更多
This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-...This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-D-glucoside.Chemical structure of the new compound was confirmed by elemental analysis,IR and UV.展开更多
以1,4-二氧六环为溶剂,AIBN为引发剂,N-[(4-溴-3,5-二氟)苯基]马来酰亚胺(BDPM)和苯乙烯(St)为原料,通过溶液聚合合成了N-[(4-溴-3,5-二氟)苯基]马来酰亚胺/苯乙烯(BDPM/St)二元共聚物,考察了单体投料比、单体总浓度、引发剂浓度和反应...以1,4-二氧六环为溶剂,AIBN为引发剂,N-[(4-溴-3,5-二氟)苯基]马来酰亚胺(BDPM)和苯乙烯(St)为原料,通过溶液聚合合成了N-[(4-溴-3,5-二氟)苯基]马来酰亚胺/苯乙烯(BDPM/St)二元共聚物,考察了单体投料比、单体总浓度、引发剂浓度和反应时间对共聚的影响。采用红外光谱(FT-IR)和1 H NMR对其结构进行了表征,根据元素分析测定结果,计算得到共聚物中两种单体单元的摩尔配比接近1∶1,表明了BD-PM和St具有明显的交替共聚趋势。通过热重分析对BDPM/St的热性能进行了表征,结果表明,二元共聚物具有优良的热稳定性。GPC测定其相对分子质量(Mn=2.17×105,MW=2.85×105,D=1.4),表明BD-PM/St聚合度较高。展开更多
合成了一种新型感光性单体丙烯酸(4 N,N 二甲氨基肉桂酰氧乙基)酯(DMACEA)及其与丙烯酸的共聚物P(DMACEA co AA).用紫外吸收和荧光光谱研究了聚合物溶液的光敏感性,用傅立叶红外光谱研究了聚合物成膜后的光交联性及其过程.结果表明:DMA...合成了一种新型感光性单体丙烯酸(4 N,N 二甲氨基肉桂酰氧乙基)酯(DMACEA)及其与丙烯酸的共聚物P(DMACEA co AA).用紫外吸收和荧光光谱研究了聚合物溶液的光敏感性,用傅立叶红外光谱研究了聚合物成膜后的光交联性及其过程.结果表明:DMACEA具有较好的光敏性,P(DMACEA co AA)具有较好光交联性,交联膜水溶胀和透光性也较好.展开更多
2-(3-(4-methoxyphenoxy)propyl)propane-1,3-diethanethioate is synthesized from 4-methoxyphenol and 1,3-dibromopropane after five-step reaction.The overall yield is 21.2%.The key intermediates and the target compound ar...2-(3-(4-methoxyphenoxy)propyl)propane-1,3-diethanethioate is synthesized from 4-methoxyphenol and 1,3-dibromopropane after five-step reaction.The overall yield is 21.2%.The key intermediates and the target compound are analysized by 1HNMR,13CNMR,IR and MS.展开更多
以对氟苯甲醛为原料,3-丙基-4-甲基-5-羟乙基噻唑溴盐为催化剂,FeCl3/CuSO4/NaNO3为氧化剂,一锅法合成4,4’-二氟苯偶酰。考察了不同助催化剂及用量、催化剂用量、反应温度对反应收率的影响,得到较优工艺条件:三乙胺为辅助催化剂,m(对...以对氟苯甲醛为原料,3-丙基-4-甲基-5-羟乙基噻唑溴盐为催化剂,FeCl3/CuSO4/NaNO3为氧化剂,一锅法合成4,4’-二氟苯偶酰。考察了不同助催化剂及用量、催化剂用量、反应温度对反应收率的影响,得到较优工艺条件:三乙胺为辅助催化剂,m(对氟苯甲醛)∶m(催化剂)∶m(三乙胺)=100∶6∶14,反应温度90℃,总收率73.3%,产品结构经1 H NMR,IR确认。展开更多
N (4 Dimethylamino biphenyl)maleimide was synthesized from the reaction of maleic anhydride with 4 dimethylamino biphenyl amine via two steps processes.Its chemical structure was identified by means of elemental analy...N (4 Dimethylamino biphenyl)maleimide was synthesized from the reaction of maleic anhydride with 4 dimethylamino biphenyl amine via two steps processes.Its chemical structure was identified by means of elemental analysis,mass spectra and 1H NMR.Its homopolymer and copolymer with methyl methacrylate were also synthesized by radical polymerization using AIBN as initiator.展开更多
文摘Adipic-1′,6′-bis(4-halogenpheny1 hydrazine) has been synthesized in ice bath with adipic chloride and 4-bromophenyl hydrazine made by ourselves.At the same time,adipic-1′,6′-bis(4-halogenpheny1 hydrazine) is synthesized firstly with oxidation system NaBrO3/H2SO4.The products are confirmed by elemental analysis,IR and 1HNMR.The yields of adipic-1′,6′-bis(4-halogenpheny1 hydrazine) is 83-92%.
文摘This paper reports that in the presence of cetyltrimethyl ammonium bromide as phase transfer catalyst,D-glucosamine hydrochloride reacts with 2,4-dinitrophenol to synthesize 1-O-(2’,4’-dinitrophenyl)-2-acetamido-β-D-glucoside.Chemical structure of the new compound was confirmed by elemental analysis,IR and UV.
文摘以1,4-二氧六环为溶剂,AIBN为引发剂,N-[(4-溴-3,5-二氟)苯基]马来酰亚胺(BDPM)和苯乙烯(St)为原料,通过溶液聚合合成了N-[(4-溴-3,5-二氟)苯基]马来酰亚胺/苯乙烯(BDPM/St)二元共聚物,考察了单体投料比、单体总浓度、引发剂浓度和反应时间对共聚的影响。采用红外光谱(FT-IR)和1 H NMR对其结构进行了表征,根据元素分析测定结果,计算得到共聚物中两种单体单元的摩尔配比接近1∶1,表明了BD-PM和St具有明显的交替共聚趋势。通过热重分析对BDPM/St的热性能进行了表征,结果表明,二元共聚物具有优良的热稳定性。GPC测定其相对分子质量(Mn=2.17×105,MW=2.85×105,D=1.4),表明BD-PM/St聚合度较高。
文摘合成了一种新型感光性单体丙烯酸(4 N,N 二甲氨基肉桂酰氧乙基)酯(DMACEA)及其与丙烯酸的共聚物P(DMACEA co AA).用紫外吸收和荧光光谱研究了聚合物溶液的光敏感性,用傅立叶红外光谱研究了聚合物成膜后的光交联性及其过程.结果表明:DMACEA具有较好的光敏性,P(DMACEA co AA)具有较好光交联性,交联膜水溶胀和透光性也较好.
文摘2-(3-(4-methoxyphenoxy)propyl)propane-1,3-diethanethioate is synthesized from 4-methoxyphenol and 1,3-dibromopropane after five-step reaction.The overall yield is 21.2%.The key intermediates and the target compound are analysized by 1HNMR,13CNMR,IR and MS.
文摘以对氟苯甲醛为原料,3-丙基-4-甲基-5-羟乙基噻唑溴盐为催化剂,FeCl3/CuSO4/NaNO3为氧化剂,一锅法合成4,4’-二氟苯偶酰。考察了不同助催化剂及用量、催化剂用量、反应温度对反应收率的影响,得到较优工艺条件:三乙胺为辅助催化剂,m(对氟苯甲醛)∶m(催化剂)∶m(三乙胺)=100∶6∶14,反应温度90℃,总收率73.3%,产品结构经1 H NMR,IR确认。
文摘N (4 Dimethylamino biphenyl)maleimide was synthesized from the reaction of maleic anhydride with 4 dimethylamino biphenyl amine via two steps processes.Its chemical structure was identified by means of elemental analysis,mass spectra and 1H NMR.Its homopolymer and copolymer with methyl methacrylate were also synthesized by radical polymerization using AIBN as initiator.
