偶联反应偶联反应Cross-Coupling Reaction2021/7/11经典反应式经典反应式2021/7/12Cross-Coupling ReactionsCatalystMRR'XKumada-Corriu (1972)Ni or PdMgAryl, alkyl, vinylAryl, alkyl, vinylCl, Br, I, OTsSonogashira (1975)Pd/CuICuAryl, alkylAryl, alkyl, vinylBr, INegishi (1977)Ni or PdZnAryl, allyl, benzyl, propargylAryl, alkyl, vinyl, alkynyl, benzyl, allylCl, Br, I, OTsStille (1978)PdSnAryl, vinyl,benzyl, alkynylAryl, alkyl, vinyl, benzyl, allyl, acylCl, Br, I, OTsSuzuki (1979)PdBAryl, alkylAryl, alkyl, alkynylCl, Br, I, OTsHiyama (1988)Ni or PdSiArylAryl, alkyl, vinylBr, I, OTs2021/7/131. Kumada, Suzuki, Stille, Negishi, Hiyama coupling (C-C Formation:C-X + C-M)2. Buchwald-Hartwig coupling (C-N, C-O, C-S Formation: C-X + Nu (N, O, S)-H)3.a-Arylation of Ketone (C-C Formation: C-X + C-H)4. Heck, Sonogashira coupling (Alkene and alkyne Formation: C-X + C-H)2021/7/14General Mechanism2021/7/15Kumada, Kumada-Corriu Coupling1960年年Chatt和和Shaw: 1970年年Uchino等等: 2021/7/16Sp3 C-X substrate?2021/7/172021/7/18配体的影响配体的影响 2021/7/192021/7/110格氏试剂上烷基部分的异构化格氏试剂上烷基部分的异构化 2021/7/1112021/7/1122021/7/1132021/7/1142021/7/115Fe-catalystLow initial temperature (-20 °C) is beneficialMolander, G. A. et. al. Tetrahedron Lett. 1983, 24, 5449. New development of the catalyst2021/7/116ØAryl chlorides, triflates and tosylates are better substrates than aryl bromides and iodidesEntryXYield (GC, %)ab1I27462Br38503Cl>95-4OTf>95-5OTs>95-Fürstner, A. et. al. Angew. Chem. Int. Ed. Engl. 2002, 41, 609.2021/7/117β-Hydride elimination and homocoupling are the major setback with the cross-coupling of 1o and 2o alkyl substrates with aryl Grignard reagentsEntrySolventProduct Yield (%)CDEF*1THF/NMP252524262THF272720253Et2O601912124Et2O (reflux)691899Hayashi, T. et. al. Org. Lett. 2004, 6, 1297. *Amount after 0.05 mmol (equivalent to catalyst) subtracted. Alkyl Derivatives as Substrate2021/7/118Alkyl Derivatives as SubstrateTMEDA plays a crucial role to reduce β-hydride eliminationEntryaAdditiveProduct Yield (GC, %)CDEAF1None5790462Et3N37801153N-Methyl morpholine8720454DABCO20207535NMP153Trace7946TMEDA71193Trace10Nakamura, E. et. al. J. Am. Chem. Soc. 2004, 126, 3686. aPhMgBr (1.2 equiv), additive (1.2 equiv), 30 min. 2021/7/119Fürstner, A. et. al. Angew. Chem. Int. Ed. 2003, 42, 308.Fürstner, A. et. al. J. Org.Chem. 2004, 69, 3950.Synthesis of R-(+)-Muscopyridine and immuno suppressive agent FTY7202021/7/120Fürstner, A. et. al. Angew. Chem. Int. Ed. 2003, 42, 5358.Synthesis of Latrunculin B2021/7/121Industrial examplesHokko Chemical Industry, JapanScale: 20t/ySolvent: From Ether to THF, with Toluene as co-solvent.2021/7/1222021/7/1232021/7/124Pd(PPh3)4TON 74,000 910,000环钯催化剂PtBu328,000,000ArCl substrateWater soluble2021/7/125反应底物反应底物•有机硼酸(酯)有机硼酸(酯)•ArBr 经格氏反应,或者经格氏反应,或者nBuLi,与,与B(OR)3反应得到反应得到•硼氢化反应硼氢化反应2021/7/1262021/7/1272021/7/1282021/7/1292021/7/1302021/7/1312021/7/1322021/7/1332021/7/1342021/7/1352021/7/136Losartan, Merck (1994), 抗高血压药物JOC, 1994, 59, 63912021/7/137Pharmacia Co. and Dow2021/7/1382021/7/139抗真菌剂fungizide Boscalid, BASF, 1000t/y2021/7/140Cancer cell growth inhibitor, Novartis2021/7/141Treatment for HIV2021/7/142Stille偶偶联联, Stille Coupling2021/7/143SubstratesStille偶联反应中两组份的组合偶联反应中两组份的组合 2021/7/1442021/7/145锡试剂的制备锡试剂的制备 2021/7/1462021/7/1472021/7/1482021/7/1492021/7/1502021/7/1512021/7/1522021/7/1532021/7/1542021/7/1552021/7/1562021/7/1572021/7/1582021/7/1592021/7/1602021/7/1612021/7/1622021/7/1632021/7/164Hiyama偶联反应偶联反应 2021/7/165F- (TBAF) activator needed2021/7/1662021/7/1672021/7/1682021/7/1692021/7/170Hiyama-Denmark coupling2021/7/1712021/7/1722021/7/173Kosugi, 19832021/7/1742021/7/1752021/7/1762021/7/1772021/7/1782021/7/1792021/7/1802021/7/1812021/7/1822021/7/1832021/7/1842021/7/1852021/7/1862021/7/1872021/7/188Pfizer, CETP inhibitor CP529,4112021/7/1892021/7/1902021/7/191酮的酮的a-a-芳基化反应芳基化反应 2021/7/1922021/7/1932021/7/1942021/7/1952021/7/1962021/7/1972021/7/198 结束语结束语若有不当之处,请指正,谢谢!若有不当之处,请指正,谢谢!。