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- Diphenyl carbonate (DPC) was synthesized by decarbonylation of diphenyl oxalate (DPO) over Ph 4PCl catalyst. 研究了以Ph4PCl为催化剂 ,草酸二苯酯脱羰基合成碳酸二苯酯反应。
- The transesterification of dimethyl oxalate (DMO) with phenol to produce methyl phenyl oxalate (MPO) and diphenyl oxalate (DPO) was carried out on the TiO2/SiO2 catalyst. 使用负载型TiO2/SiO2催化苯酚和草酸二甲酯酯交换反应合成草酸二苯酯。
- Among them, the transesterification of dimethyl oxalate (DMO) with phenol to diphenyl oxalate (DPO) followed by decarbonylation of DPO to DPC is a promising route. 本研究以DMO和苯酚为原料,通过酯交换反应合成用于制备DPC的甲基苯基草酸酯 (MPO)和草酸二苯酯 (DPO)。
- A gas chromatographic method for analyzing diphenyl carbonate (DPC) and diphenyl oxalate (DPO) is described. DPC and the related compounds, as well as DPO and the related compounds, were well separated through a OV-101 chromatographic column. 提出了苯酚和草酸二甲酯酯交换合成碳酸二苯酯反应的终产物碳酸二苯酯和中间产物草酸二苯酯的气相色谱分析方法 ;采用OV 10 1色谱柱基线分离了碳酸二苯酯、草酸二苯酯及其相关化合物 ;外标法定量测定了碳酸二苯酯和草酸二苯酯 ;其相关系数分别为 1.;0 0 0 3和 0
- The preparation of diphenyl oxalate(DPO) by transesterification of dimethyl oxalate(DMO) with phenol over TS 1 catalyst(2 5%Ti) has been investigated as function of calcination temperature of the catalyst and reaction time. 研究了以 TS-1分子筛为催化剂 ,苯酚和草酸二甲酯酯交换合成草酸二苯酯反应。
- Several alternative non-phosgene methods for DPC synthesis have also been proposed. Among them, the transesterification of dimethyl oxalate (DMO) with phenol to diphenyl oxalate (DPO) followed by decarbonylation of DPO to DPC is a promising process. 非光气的苯酚和草酸二甲酯(DMO)酯交换合成DPC是以苯酚和DMO酯交换反应合成草酸二苯酯(DPO),DPO再进一步脱羰基反应生成DPC。
- Synthesis of Diphenyl Oxalate by Transesterification of Dimethyl Oxalate with Phenol over TS-1 Catalyst TS-1分子筛催化苯酚和草酸二甲酯合成草酸二苯酯
- Synthesis of Diphenyl Oxalate from Transesterification of Phenol with Dimethyl Oxalate over Sn-Modified TS-1 Sn改性TS-1分子筛催化苯酚和草酸二甲酯合成草酸二苯酯
- Diphenyl Oxalate Synthesis from Transesterification of Dimethyl Oxalate with Phenol over Sn-Modified TS-1 Catalyst Sn改性TS-1分子筛催化草酸二甲酯和苯酚酯交换合成草酸二苯酯
- Synthesis of Diphenyl Oxalate from the Transesterification of Dimethyl Oxalate with Phenol over the Different Molecular Sieve Catalysts 苯酚和草酸二甲酯在不同分子筛催化下的酯交换反应
- Keywords Diphenyl carbonate, Diphenyl oxalate, Dimethyl oxalate, transesterification, acid sites, solid acid catalyst, decarbonylation; 碳酸二苯酯;草酸二苯酯;酯交换;酸中心;固体酸催化剂;脱羰基;
- diphenyl oxalate 草酸二苯酯
- diphenyl oxalate(DPO) 草酸二苯酯(DPO)
- Objective:To synthesize escitalopram oxalate. 目的:合成草酸依地普仑。
- Mercury fulminate may contain trace of mercuric oxalate. 雷汞中可能含有微量的乙二酸汞。
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Prolong bake time can improve weatherproofing of oxalate coating. 延长烘烤时间,草酸盐转化膜的耐候性提高。
- Thus there is a greater calcium need to immobilize the oxalate. 因而需要较大量钙去固定草酸。
- Add 100 ml 0.0125 M sodium oxalate (Na2C2O4) to the solution. 加入100亳升的0.;0125M草酸钠溶液(Na2C2O4)。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。