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1. 发明公开

KR1020040050998A 초임계 이산화탄소를 반응 용매로 하는 에스테르 유도체의선택적 제조 방법 无效
标题翻译：使用超临界二氧化碳作为反应溶剂的酯衍生物的选择性制备方法
公开(公告)号：KR1020040050998A
公开(公告)日：2004-06-18
申请号：KR1020020078815
申请日：2002-12-11
申请人： 한국화학연구원
发明人： 박대철 , 백진욱 , 박양진 , 박주은
IPC分类号： C07C67/38
CPC分类号： Y02P20/544
摘要： PURPOSE: A method for preparing an ester derivative by using supercritical carbon dioxide as a reaction solvent is provided, to prevent the problems such as toxicity, corrosion and flammability due to the use of an organic solvent. CONSTITUTION: The method comprises the step of preparing an ester derivative from an olefin by using a palladium compound as a catalyst, a phosphine ligand material as an electron donor, an acid material as a reaction accelerator and supercritical fluid as a reaction solvent (See the reaction scheme II), wherein R is an alkyl or aryl group substituted with a functional group. Preferably the supercritical fluid is carbon dioxide. Preferably the acid material is p-toluenesulfonic acid; the palladium compound is selected from the group consisting of palladium acetate (Pd(OAc)2), palladium trifluoroacetate (Pd(tfOAc)2) and tetrakis(triphenylphosphine) palladium (Pd(PPh3)4); and the phosphine ligand material is selected from the group consisting of PPh3, P(p-toly)3, P(p-ClC6H4)3, P(p-FC6H4)3 and P(p-CF3(C6H4))3.
摘要翻译：目的：提供通过使用超临界二氧化碳作为反应溶剂制备酯衍生物的方法，以防止由于使用有机溶剂而引起的毒性，腐蚀和可燃性等问题。方案：该方法包括通过使用钯化合物作为催化剂，作为电子给体的膦配体材料，作为反应促进剂的酸性材料和作为反应溶剂的超临界流体，从烯烃制备酯衍生物的步骤（参见反应方案II），其中R是被官能团取代的烷基或芳基。优选地，超临界流体是二氧化碳。优选酸性物质是对甲苯磺酸; 钯化合物选自乙酸钯（Pd（OAc）2），三氟乙酸钯（Pd（tfOAc）2）和四（三苯基膦）钯（Pd（PPh 3）4））。膦配体材料选自PPh 3，P（p-toly）3，P（p-ClC 6 H 4）3，P（p-FC 6 H 4）3和P（p-CF 3（C 6 H 4））3。

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