C-H键是一类非常常见的化学键,几乎所有的有机化合物中都含有C-H键。C-H键的键能非常高,碳元素与氢元素的电负性又很接近,因而C-H键的极性很小,这些因素使得其具有很强的惰性。在温和条件下,将C-H键选择性催化活化,构建其它含碳化学键,存在着热力学和动力学的双重挑战。
近年来,C-H活化文章屡屡登上Science[1-2]和Nature[3],足以证明此反应在有机合成中的重要性。 百灵威紧跟科研热点,推出C-H活化试剂,助力科学研究。
- 种类齐全,有C-H活化用添加剂,C-H催化剂,C-H活化用配体及辅基
- 产品质控严、纯度高
- 批次稳定,库存充足,可提供产品定制包装服务
- Jeffrey J L, Terrett J A, MacMillan D W C. O–H hydrogen bonding promotes H-atom transfer from α C–H bonds for C-alkylation of alcohols. Science, 2015, 349(6255): 1532-1536.
- Chen G, Gong W, Zhuang Z, et al. Ligand-accelerated enantioselective methylene C (sp3)–H bond activation. Science, 2016, 353(6303): 1023-1027.
- ZHANG Z, TAMAKA K, YU J Q.Remote site-selective C–H activation directed by a catalytic bifunctional template. Nature, 2017, 543: 538-542.
C-H活化添加剂
2,2,6,6-Tetramethylpiperidinooxy, 98%
5g, 25g, 100g
Bis(tert-butylcarbonyloxy)iodobenzene, 97%
5g, 25g
Titanium (Ⅳ) chloride, 99%
100ml, 500ml
1-Fluoro-2,4,6-trimethylpyridinium trifluoromethanesulfonate, 95%
1g
C-H催化剂
Rhodium(II) triphenylacetate dimer
100mg
Bis[rhodium(α,α,α′,α′-tetramethyl-1,3-benzenedipropionic acid)], 96%
100mg
1,2-Bis(phenylsulfinyl) ethane palladium(II) acetate
250mg, 1g
Tris(triphenylphosphine) rhodium(I) chloride, 99%
1g, 5g
C-H活化用配体及辅基
N-Acetylglycine, 99%
100g, 500g, 2.5kg
Boc-Phe-OH, 99%
5g, 25g, 100g
Triphenylphosphine, 99%
25g, 250g, 1kg
Tri-tert-butylphosphonium tetrafluoroborate, 99%
1g, 5g, 25g