CAS: 2436-96-6; 2,2-Dinitro-1,1-Biphenyl

上下游产品

ortho-methylphenyl iodide o-nitroiodobenzene 2-bromoanisole 2-nitrophenyl bromide benzo[c]cinnoline antipyrine 1,1'-biphenyl-2,2'-diamine benzo[c]cinnoline-N-oxide

📜邻硝基苯甲酸置于三苯基膦,Silver Carbonate,Palladium Dichloride体系中,用 二甲基亚砜 用作溶剂,化学反应 6.0H,以78%的收率获得2,2'-二硝基联苯
参考文献:通过取代苯甲酸的 Pd 催化脱羧均偶联和杂偶联合成联芳基化合物
标题:通过取代苯甲酸的 Pd 催化脱羧均偶联和杂偶联合成联芳基化合物
摘要:通过仔细选择正确的底物比例,催化剂组合和碱,可以通过 Pd 催化的取代苯甲酸的脱羧均偶合和杂偶合轻松合成对称和不对称联芳基化合物.该反应以 40-90% 的收率获得所需产物,并且与 2-硝基-,2-甲氧基-,2-氟-和 2-氯-取代的苯甲酸相容.
Doi:10.1002/ejoc.201100913

专利信息

专利号:US-5105012-A
优先权日:1989-03-24
标题 :Catalytic reduction of dinitrobenzenes using a noble metal catalyst and iron or iron salts
发明人：THEODORIDIS GEORGE
权利人:FMC CORP
摘要:There is provided an improved process for the reduction of optionally substituted dinitrobenzenes to the corresponding nitroanilines with high yields which comprises contacting the dinitrobenzene with hydrogen in an acidic medium in the presence of a catalytic amount of a combination of a noble metal hydrogenation catalyst, and iron or an iron salt. Isomer specific reductions may be achieved with those compounds containing suitable directing substituents. The 2-halo-5-nitroanilines which may be produced in this process may be converted via a multi-step synthesis to useful 1-aryl-4-substituted 1,4-dihydro-5H-tetrazol-5-one herbicides.

专利号:CN-107428688-B
优先权日:2015-04-06
标题:Efficient synthesis of carbazole derivatives

专利号:EP-0046556-B1
优先权日:1980-08-26
标 题:Diisocyanates or mixtures of diisocyanates of the diphenylmethane class, processes for their preparation, as well as their use as synthesis components in the manufacture of polyurethanes by the isocyanate-polyaddition process

专利号:CN-117623932-A
优先权日:2023-11-30
标 题:Synthesis method of intermediate 2,2’-dinitrobiphenyl

专利号:CN-109967508-A
优先权日:2019-04-10
标 题:A kind of method and in-situ remediation method of dispersing agent modified synthesis nano zero valence iron

专利号:CN-107188771-B
优先权日:2017-05-25
标题 :Chiral synthesis method of gamma-nitrophenol compound