Pd 催化的偶联反应
description
Transcript of Pd 催化的偶联反应
-
Pd () :
-
1. Suzuki 2. Heck 3. Sonogashira
Pd :
-
Suzuki
-
1. SuzukiSuzuki-Miyaura 1.1 Suzuki
-
1. Suzuki Pd(0)-Pd(II) Pd(II)-Pd(0) 1.2 Suzuki
-
1. 1.3 Suzuki1.2.3.Suzuki 1. 2. Suzuki3. Suzuki
-
2. (), ()()2.1
-
2. Grinard
-
2. , 1995Ishiyama: (yield: 60-98%), -2.2
-
2. 1. DMSO DMF > dioxane > toluene 2. KOAcK3PO4K2CO33. Pd(dppf)Cl24. 2001Ishiyama Pd(dba)2/2.4PCy3(3-6mol %)
-
2.
-
2. 2.3 2.4
-
3. Suzuki1. Suzuki-couplingPd(0)-Pd(II) I > TfO > Br >> Cl2. -Pd(II)-arylaryl > alkylaryl > n-propyln-propyl > ethylethyl > methylmethyl3. SuzukiPd(PPh3)4PdCl2PdCl2(dppf)Pd(OAc)2Pd(PPh3)2Cl2NiCl2(dppf)
-
3. SuzukiSuzuki K2CO3K3PO4Na2CO3CsFCs2CO3t-BuONa,NaHCO3toluene/EtOH/H2O, CH3CN /H2Odioxane/H2O3.1 Suzuki
-
3. Suzuki SuzukiSuzuki, , NaOHBa(OH)2, DME2,4,6-: Ba(OH)2> NaOH > K3PO4 > Na2CO3 > NaHCO3, 3.2 Suzuki
-
3. Suzuki
-
3. Suzuki2-2-Na2CO3DME80, 39%. : , K3PO4, DMF, 89%Suzuki 3.3 Suzuki
-
3. SuzukiSuzuki Suzuki
-
3. SuzukiSuzuki 3-,3.4 Suzuki
-
3. Suzuki()Suzuki, TlOHTl2CO3, Suzuki, , , Suzuki3.5 Suzuki
-
3. Suzuki3.6 Suzuki
-
3. Suzuki3.7 TriflateSuzuki , PPh3Triflate, LiBrKBr
-
3. SuzukiMitchelldppbSuzuki98%; Wang Shen(PCy3)Pd(PCy3)Cl2 3.8 Suzuki
-
3. SuzukiSyun Satio,80NiCl2(dppf) (10 mol%)n-BuLi(40 mol%). NiCl2(PPh3)280% 3.9 Suzuki
-
3. Suzuki3.10 PdCl2Pd(OAc)2Pd/CHiroaPd/C Suzuki
-
3. SuzukiD. S. EnnisPd /C Suzuki-couplingSB-245570Pd(OAc)2Suzuki
-
Heck
-
1. Heck Heck2060Heck Morizoki,,C-CHeckTrans
-
2. Heck Heck
1Oxidative addition: RX (RX=I > TfO > Br >> Cl)Pd0L2Pd
2 Cordination-insertion:Pd-R 3-H
4Pd0L2
-
3. Heck Heck 1972Mori Ban1977HeckHeck
-
4. Heck DanishefskyTaxol4.1
-
4. Heck 2080Heck1989Shibasaki Overman HeckOvermanHeck 4.2
-
physostigmineHeck4.Heck
-
4. Heck Zeigler HeckHeckOverman Heck4.3
-
5. Heck Heck SP3SP3
5.1 Heck
-
5. HeckPd-HCurtin-HammettR CN,Wittig-Horner
-
5. Heck 1992Tamio HayashiHeck5.2Heck
-
, 18-N,N-1a96%ee 26-1a69%ee5.Heck
-
5. Heck5.3 Heck 5.3.1 BellerHeck
-
5. Heck
5.3.2 HeckHeck
-
5. Heck
5.3.3 Heck0.005 mol%
-
5. Heck
5.3.4 Heck20
-
Sonogashira
-
1. Sonogashira Sonogashira,
-
2. SonogashiraSonogashira(II)(CuI)
-
2. SonogashiraSonogashiraSonogashira
-
3. Sonogashira 1. 2. 3. 4.
Sonogashira
-
3.1 Pd(OAC)2PPh3CuINHCDMF
-
LiSonogashiraDABCO,Sonogashira,0.0001 mol%7200003.1
-
3.2 Elangovan2Sonogashira 3.2.1 (CuI)
-
Pd(OAc)2, Pd2(dba)3, PdCl2(dppf), PdCl2(PPh3)2, PdCl2(PCy)2, PdCl2, PdCl2(CH3CN)2Cs2CO3, Bu4NOAc, TBAF, Pyrrolidine, TEA, DBACO 3.2 3.2.2
-
3.3
-
3.3
-
3.3 3.3.1
-
3.3.2 3.3
-
3.3.3 3.3
-
3.3.4 3.3
-
3.4 SonogashiraHopkinsSonogashira Sonogashira
-
McLaughlinSonogashira3.4 LuSonogashiraCacchi
-
3.4 ,-
-
, 3.4
-
Question & Comments