5599-62-2

Upstream product

• 847355-61-7 9-cyclohexyl-2,3,4,9-tetrahydro-1H-carbazole 
• 626-62-0 Cyclohexyl iodide 
• 86-74-8 9H-carbazole 
• 189999-35-7 [1,1'-biphenyl]-2,2'-iodonium trifluoromethanesulfonate 
• 108-91-8 cyclohexylamine 
• 98-80-6 phenylboronic acid 
• 609-73-4 o-nitroiodobenzene 
• 86-00-0 2-nitrobiphenyl 
• 90-41-5 2-phenylaniline 
• 2113-51-1 2-iodobiphenyl 
• 615-43-0 2-iodophenylamine 
• 615-42-9 1,2-Diiodobenzene 
• 1821-36-9 N-phenyl-2-cyclohexylamine 
• 1016-05-3 dibenzothiophene sulfone 

Relevant academic research and scientific papers

Transition-metal-catalyzed alkylations of amines with alkyl halides: Photoinduced, copper-catalyzed couplings of carbazoles

N-alkylations of carbazoles with a variety of secondary and hindered primary alkyl iodides can be achieved by using a simple precatalyst (CuI) under mild conditions (0 °C) in the presence of a Br?nsted base; at higher temperature (30 °C), secondary alkyl bromides also serve as suitable coupling partners. A Li[Cu(carbazolide)2] complex has been crystallographically characterized, and it may serve as an intermediate in the catalytic cycle. Copyright

Method for synthesizing carbazole derivative

The invention aims to provide a method for synthesizing a carbazole derivative. The method is characterized in that palladium chloride is used as a catalyst, 2, 2' - dibromobiphenyl is used as an electrophilic reagent, primary amine is taken as a nucleophile, and the carbazole derivative is directly cross-coupled under the conditions of toluene as a solvent and an air atmosphere. The method has the advantages of high yield, high selectivity, simplicity and convenience in operation and the like.

Efficient Copper-Catalysed Synthesis of Carbazoles by Double N -Arylation of Primary Amines with 2,2′-Dibromobiphenyl in the Presence of Air

An efficient Cu-catalyzed synthesis of carbazole derivatives is reported, which proceeds by double C-N coupling reactions of 2,2′-dibromobiphenyl and amines in the presence of air. The reaction is robust, proceeds in high yields, and tolerates a series of amines including neutral, electron-rich, electron-deficient aromatic amines and aliphatic amines.

Copper(II)-Photocatalyzed N-H Alkylation with Alkanes

We report a practical method for the alkylation of N-H bonds with alkanes using a photoinduced copper(II) peroxide catalytic system. Upon light irradiation, the peroxide serves as a hydrogen atom transfer reagent to activate stable C(sp3)-H bonds for the reaction with a broad range of nitrogen nucleophiles. The method enables the chemoselective alkylation of amides and is utilized for the late-stage functionalization of N-H bond containing pharmaceuticals with good to excellent yields. The mechanism of the reaction was preliminarily investigated by radical trapping experiments and spectroscopic methods.

Synthesis of N-Alkyl and N-H-Carbazoles through SNAr-Based Aminations of Dibenzothiophene Dioxides

Alkyl amines have become available for the synthesis of diverse N-alkyl carbazoles through twofold SNAr aminations of dibenzothiophene dioxides by using alkali metal bases. Of particular importance is the choice of counter cations on alkali metal bases, that is, i) the use of Li base for the efficient intermolecular reaction and ii) the sequential addition of heavier alkali metal bases (Na, K, or Cs) to promote intramolecular cyclization in a one-pot manner. This protocol also enables the cascade synthesis of N-H-carbazoles by using 2-phenylethylamine by removal of the 2-phenethyl group from N-(2-phenethyl) carbazoles in a single operation.

Design, synthesis and biological evaluation of: N -arylsulfonyl carbazoles as novel anticancer agents

In this work, a set of structurally diverse synthetic carbazoles was screened for their anticancer activities. According to structure-activity relationship studies, carbazoles with an N-substituted sulfonyl group exhibited better anticancer activity. Moreover, compound 8h was discovered to show the most potent anticancer effects on Capan-2 cells by inducing apoptosis and cell cycle arrest in G2/M phase. Finally, the in vivo study demonstrated that 8h prevented the tumor growth in PANC-1 and Capan-2 xenograft models without apparent toxicity.

Photoinduced Cross-Coupling of Amines with 1,2-Diiodobenzene and Its Application in the Synthesis of Carbazoles

A facile and efficient process for the preparation of various tertiary aminobenzenes and carbazole derivatives via photoinduced cross-coupling of amines with 1,2-diiodobenzene is reported. Mechanistic investigations indicate that the transformation proceeds via nucleo-philic addition of an amine to the benzyne intermediate accompanied with a proton transfer process, followed by an oxidative cyclization of the generated diphenylamine to furnish the corresponding carbazole products.

Synthesis of carbazoles via one-pot copper-catalyzed amine insertion into cyclic diphenyleneiodoniums as a strategy to generate a drug-like chemical library

Carbazoles have attracted high interest among synthetic chemists due to their unique structural features and potential pharmacological activities. Compared to linear aryliodoniums, cyclic diphenyleneiodoniums are more inert and have not attracted much attention to their application as building blocks. Employing our synthetic strategy, diversified carbazoles can be efficiently obtained from a single cyclic diphenyleneiodonium under mild conditions. The reactions catalyzed by cop- per(II) acetate have provided a variety of carbazoles in modest to good yields with a broad range of amines including anilines, aliphatic amines and sulfon amides. Moreover, one of the obtained carbazoles has displayed an outstanding ability to protect HT-22 neuronal cells from the damage induced by neurotoxins glutamate and homocysteic acid.

Discovery of novel N-substituted carbazoles as neuroprotective agents with potent anti-oxidative activity

Carbazole moiety is an important scaffold with a variety of biological applications, for example, anti-oxidative stress. Our previous synthesized carbazoles were screened for their neuroprotective properties against two individual oxidative stresses. Some of the new carbazole derivatives were observed with modest to good neuroprotective effects on neuronal cells HT22 against cell injury induced by glutamate or homocysteic acid (HCA). Substituents introduced to the carbazole ring system play crucial roles in their biological activities. In particular, a bulky group favors the neuroprotective activity of the compounds. One of the new compounds, 6, showed the best neuroprotective effects, which might result from its anti-oxidative activity with a GSH-independent mechanism. These findings might provide an alternative strategy for the development of novel carbazole derivatives for the treatment of CNS diseases such as Alzheimer's disease.

HEPATITIS C VIRUS ENTRY INHIBITORS

The present invention relates to the use of tricyclic diphenylamine derivative compounds for prevention and/or treatment of Hepatitis C virus (HCV) infection by inhibiting HCV entry into permissive cells.