金属有机催化剂中,配体发挥着关键作用,不同的配体通过稳定及激活中心金属原子,能够在催化反应中发挥选择性的催化作用。
根据给体原子或子结构的差异分为:膦配体/ Phosphine Ligands、Salen配体/ Salen Ligands、氮杂环卡宾配体/ N-Heterocyclic Carbene Ligands、烯配体/ Ene Ligands、二酮配体/ Diketone Ligands、胺配体/ Amine Ligands、亚胺配体/ Imine Ligands、吡啶配体/ Pyridine Ligands、联吡啶,三联吡啶配体/ Bipyridine & Terpyridine Ligands、菲咯啉配体/ Phenanthroline Ligands;
在以上多种配体中,膦配体在偶联反应中扮演者最为广泛且重要的作用,如经典的Suzuki Coupling、Stille Coupling、Negishi Coupling、Heck Reaction;
T818715 三叔丁基膦, 1.0 M in toluene
Stille Coupling Made Easier-The Synergic Effect of Copper(I) Salts and the Fluoride Ion
S. P. H. Mee, V. Lee, J. E. Baldwin, Angew. Chem. Int. Ed., 2004, 43, 1132-1136.
T818895 三苯基膦, >99.0%(GC)
Ligand Effects on Negishi Couplings of Alkenyl Halides
A. Krasovskiy, B. H. Lipshutz, Org. Lett., 2011, 13, 3818-3821.
D806412 2-二环己膦基-2'-(N,N-二甲胺)-联苯(Dave-Phos), 98%
Palladium-Catalyzed Heck Reaction of Aryl Chlorides under Mild Conditions Promoted by Organic Ionic Bases
H.-J. Xu, Y.-Q. Zhao, X.-F. Zhou, J. Org. Chem., 2011, 76, 8036-8041.
产品编号 | CAS号 | 项目名称规格 | 分子式 | 加入购物车 |
---|---|---|---|---|
A800841 | 123-54-6 | 乙酰丙酮, Standard for GC,≥99.6%(GC) Acetylacetone, Standard for GC,≥99.6%(GC) |
C5H8O2 | |
A823020 | 208-96-8 | 苊烯, 99% Acenaphthylene, 99% |
C12H8 | |
B801831 | 119-91-5 | 2,2'-联喹啉, 98% 2,2'-Biquinoline, 98% |
C18H12N2 | |
B801884 | 2071-20-7 | 双(二苯基膦)甲烷, 98% Bis(diphenylphosphino)methane, 98% |
C25H22P2 | |
B801885 | 1663-45-2 | 1,2-双(二苯基膦)乙烷, 98% 1,2-Bis(diphenylphosphino)ethane, 98% |
C26H24P2 | |
B801912 | 84680-95-5 | 1,1'-双(二叔丁基膦基)二茂铁, 98% 1,1'-Bis(di-tert-butylphosphino)ferrocene, 98% |
C26H44FeP2 | |
B801956 | 27721-02-4 | 1,5-双(二苯基膦)戊烷, 97% 1,5-Bis(diphenylphosphino)pentane, 97% |
C29H30P2 | |
B801960 | 19845-69-3 | 1,6-双(二苯基膦基)己烷, 97% 1,6-Bis(diphenylphosphino)hexane, 97% |
C30H32P2 | |
B801963 | 12150-46-8 | 1,1'-双(二苯基膦)二茂铁, 97% 1,1'-Bis(diphenylphosphino)ferrocene, 97% |
C34H28FeP2 | |
B802179 | 93-91-4 | 苯甲酰丙酮, 98% Benzoylacetone, 98% |
C10H10O2 | |
B802401 | 7688-25-7 | 1,4-双(二苯膦基)丁烷, 98% 1,4-Bis(diphenylphosphino)butane, 98% |
C28H28P2 | |
B802671 | 498-66-8 | 降冰片烯, 99% Bicyclo[2.2.1]hept-2-ene, 99% |
C7H10 | |
B802795 | 6737-42-4 | 1,3-双(二苯膦基)丙烷, 97% 1,3-Bis(diphenylphosphino)propane, 97% |
C27H26P2 | |
B802796 | 98327-87-8 | (±)-2,2'-双-(二苯膦基)-1,1'-联萘, 98% (±)-BINAP, 98% |
C44H32P2 | |
B807242 | 366-18-7 | 2,2'-联吡啶, AR,99.0% 2,2'-Bipyridyl, AR,99.0% |
C10H8N2 | |
C804428 | 294-90-6 | 1,4,7,10-四氮杂环十二烷, 97% Cyclen, 97% |
C8H20N4 | |
C805083 | 628-41-1 | 1,4-环己二烯, 97% 1,4-Cyclohexadiene, 97% |
C6H8 | |
C805565 | 6372-42-5 | 二苯基环己基膦, 98% Cyclohexyldiphenylphosphine, 98% |
C18H21P | |
D806302 | 111-40-0 | 二乙烯三胺, AR 99% Diethylenetriamine, AR 99% |
C4H13N3 | |
D806390 | 37943-90-1 | 二苯基-2-吡啶膦, 97% Diphenyl-2-pyridylphosphine, 97% |
C17H14NP |