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以1,3-丁二烯、CO和甲醇为原料,进行羧酯化反应合成3-戊烯酸甲酯是Altam路线生产己内酰胺绿色工艺的关键步骤.将Pd与三齿N-杂环配体或双膦配体组成的催化体系用于1,3-丁二烯的羧酯化反应中,其中乙酸钯/2,6-二(3,5-二甲基吡唑基)吡啶催化剂表现出中等的催化活性,在150℃,p(CO)=6.0MPa的优化条件下反应6h,1,3-丁二烯转化率为78.8%,3-戊烯酸甲酯选择性达92.2%(TON=226);而乙酸钯/2,2'-二(二苯基瞵基)苯醚催化体系的活性更高,在优化反应条件下,1,3-丁二烯转化率达90.4%,3-戊烯酸甲酯选择性为91.6%(TON=181).在200℃及类似的羧酯化反应条件下,1,3-丁二烯发生二聚反应,其转化率为99%以上,二聚产物4-乙烯基-1-环己烯选择性高于96%.

参考文献

[1] 崔小明.[J].精细化工中间体,2006(11):23.
[2] 李显明,丁云杰,焦桂平,李经伟,严丽,朱何俊.膦配体修饰的Rh/SiO2用于3-戊烯酸甲酯氢甲酰化反应[J].催化学报,2008(12):1193-1195.
[3] Eastham G R;Waugh M;Fanjul S T;Pringle P .[P].WO 2010 001 174,2010.
[4] Hosaka S;Tsuji J .[J].Tetrahedron,1971,27:3821.
[5] Knifton J F .[J].Journal of Catalysis,1979,60:27.
[6] Agterberg F P W;Sielcken O E;D'amore M B;Bruner H S .[P].US 5 672 732,1997.
[7] 伯克 P M .[P].CN 1 259 510,2000.
[8] Bruner H S .[P].US 6 133 477,2000.
[9] Patois C;Perron R .[P].US 5 763 655,1998.
[10] Tsai J C;Liu C B;Huang J H;Wang B P Chang W S .[P].US 6 010 975,2000.
[11] Beller M;Krotz A;Baumann W .[J].Advanced Synthesis and Catalysis,2002,344:517.
[12] Protzmann G;Luft G .[J].Applied Catalysis A:General,1998,172:159.
[13] Jin J J;Knifton J F .[J].Catalysis Letters,1996,37:199.
[14] Aguirre PA;Lagos CA;Moya SA;Zuniga E;Vera-Oyarce C;Sola E;Peris G;Bayon JC .Methoxycarbonylation of olefins catalyzed by palladium complexes bearing P,N-donor ligands[J].Dalton transactions: An international journal of inorganic chemistry,2007(46):5419-5426.
[15] Sun XJ;Yu ZK;Wu SH;Xiao WJ .Base effect and inhibition of catalytic activity in palladium-catalyzed N-heteroarylation of pyrazoles with 2,6-dibromopyridine[J].Organometallics,2005(12):2959-2963.
[16] Parsons, AT;Johnson, JS .Catalytic Enantioselective Synthesis of Tetrahydrofurans: A Dynamic Kinetic Asymmetric [3+2] Cycloaddition of Racemic Cyclopropanes and Aldehydes[J].Journal of the American Chemical Society,2009(9):3122-3123.
[17] Manuel T D;Rohde J U .[J].Journal of the American Chemical Society,2009,131:15582.
[18] Guo Z Q;Chan M C W .[J].Chemistry-A European Journal,2009,15:12585.
[19] Aouf, C;El Abed, D;Giorgi, M;Santelli, M .The reductive dimerization of some 1,3-dienes and of 1,3,5-cycloheptatriene in the presence of trimethylchlorosilane: a DFT investigation[J].Tetrahedron,2009(28):5563-5570.
[20] Bailey M;Check C E;Gilbert T M .[J].Organometallics,2009,28:787.
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