Day: September 15, 2022

Category: indole-building-blockIn 2010, Shen, Zhongqi;Siva Ramamoorthy, P.;Hatzenbuhler, Nicole T.;Evrard, Deborah A.;Childers, Wayne;Harrison, Boyd L.;Chlenov, Michael;Hornby, Geoffrey;Smith, Deborah L.;Sullivan, Kelly M.;Schechter, Lee E.;Andree, Terrance H. published 《Synthesis and structure-activity relationship of novel lactam-fused chroman derivatives having dual affinity at the 5-HT_1A receptor and the serotonin transporter》. 《Bioorganic & Medicinal Chemistry Letters》published the findings. The article contains the following contents:

The structure-activity relationship (SAR) for three series of lactam-fused chroman derivatives possessing 3-amino substituents was evaluated. Many compounds exhibited affinities for both the 5-HT_1A receptor and the 5-HT transporter. I [R = F, CN] demonstrated 5-HT_1A antagonist activities in the in vitro cAMP turnover model.6-Methoxyisoindolin-1-one (cas: 132680-54-7) were involved in the experimental procedure.

The crystal structure of 6-Methoxyisoindolin-1-one(cas:132680-54-7 Category: indole-building-block) has been determined using x-ray crystallography and cell studies. It was found that 6-Methoxyisoindolin-1-one inhibits the interactions of chk1 with substructures of DNA, such as the major groove and minor groove.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Pan, Guoshuai;Lu, Leipeng;Zhuang, Weihui;Huang, Qiufeng published 《Synthesis of Indole-Fused Six-, Seven-, or Eight-Membered N,O-Heterocycles via Rhodium-Catalyzed NH-Indole-Directed C-H Acetoxylation/Hydrolysis/Annulation》 in 2021. The article was appeared in 《Journal of Organic Chemistry》. They have made some progress in their research.Application of 165669-07-8 The article mentions the following:

The facile synthesis of indole-fused six-, seven-, or eight-membered N,O-heterocycles I/II (R = H, Cl, Br) and III/IV and V through rhodium-catalyzed C-H acetoxylation/hydrolysis/annulation was reported. The notable features of this method include C-H acetoxylation using NH-indole as the intrinsic directing group, high functional group compatibility, and construction of indole-fused medium-sized rings. To complete the study, the researchers used 7-Bromo-4-methyl-1H-indole (cas: 165669-07-8) .

Application of 165669-07-8In addition to tryptophan, indigo, and indoleacetic acid, numerous compounds obtainable from plant or animal sources contain the indole molecular structure. The best-known group of these compounds is the indole alkaloids, members of which have been isolated from plants representing more than 30 families.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Computed Properties of C9H9NO2《Nanoscale synthesis and affinity ranking》 was published in 2018. The authors were Gesmundo, Nathan J.;Sauvagnat, Berengere;Curran, Patrick J.;Richards, Matthew P.;Andrews, Christine L.;Dandliker, Peter J.;Cernak, Tim, and the article was included in《Nature (London, United Kingdom)》. The author mentioned the following in the article:

Most drugs are developed through iterative rounds of chem. synthesis and biochem. testing to optimize the affinity of a particular compound for a protein target of therapeutic interest. This process is challenging because candidate mols. must be selected from a chem. space of more than 10⁶⁰ drug-like possibilities¹, and a single reaction used to synthesize each mol. has more than 10⁷ plausible permutations of catalysts, ligands, additives and other parameters². The merger of a method for high-throughput chem. synthesis with a biochem. assay would facilitate the exploration of this enormous search space and streamline the hunt for new drugs and chem. probes. Miniaturized high-throughput chem. synthesis^3-7 has enabled rapid evaluation of reaction space, but so far the merger of such syntheses with bioassays has been achieved with only low-d. reaction arrays, which analyze only a handful of analogs prepared under a single reaction condition^8-13. High-d. chem. synthesis approaches that have been coupled to bioassays, including on-bead¹⁴, on-surface¹⁵, on-DNA¹⁶ and mass-encoding technologies¹⁷, greatly reduce material requirements, but they require the covalent linkage of substrates to a potentially reactive support, must be performed under high dilution and must operate in a mixture format. These reaction attributes limit the application of transition-metal catalysts, which are easily poisoned by the many functional groups present in a complex mixture, and of transformations for which the kinetics require a high concentration of reactant. Here the authors couple high-throughput nanomole-scale synthesis with a label-free affinity-selection mass spectrometry bioassay. Each reaction is performed at a 0.1-M concentration in a discrete well to enable transition-metal catalysis while consuming less than 0.05 mg of substrate per reaction. The affinity-selection mass spectrometry bioassay is then used to rank the affinity of the reaction products to target proteins, removing the need for time-intensive reaction purification This method enables the primary synthesis and testing steps that are critical to the invention of protein inhibitors to be performed rapidly and with minimal consumption of starting materials. And 6-Methoxyisoindolin-1-one (cas: 132680-54-7) was used in the research process.

6-Methoxyisoindolin-1-one(cas:132680-54-7 Computed Properties of C9H9NO2) is a class III topoisomerase inhibitor that binds to the chk1 protein, which is an enzyme involved in DNA replication. 6-Methoxyisoindolin-1-one inhibits the interaction between the chk1 protein and DNA, preventing DNA replication.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Lopez-Valdez, German;Olguin-Uribe, Simon;Millan-Ortiz, Alejandra;Gamez-Montano, Rocio;Miranda, Luis D. published 《Convenient access to isoindolinones via carbamoyl radical cyclization: Synthesis of cichorine and 4-hydroxyisoindolin-1-one natural products》 in 2011. The article was appeared in 《Tetrahedron》. They have made some progress in their research.Quality Control of 6-Methoxyisoindolin-1-one The article mentions the following:

An efficient and convenient access to 2-tert-butylisoindolin-1-ones via an oxidative radical cyclization process from stable carbamoylxanthates, derived from secondary tert-butylamines, is described. The proposed mechanism for this transformation involves, the generation of a carbamoyl radical, its cyclization to the aromatic system, and the dilauroyl peroxide (DLP) mediated rearomatization to generate the isoindolinone ring system. Addnl., the syntheses of cichorine and 4-hydroxyisoindolin-1-one natural products were carried out to underscore the synthetic potential of this xanthate-based carbamoyl radical-oxidative cyclization. And 6-Methoxyisoindolin-1-one (cas: 132680-54-7) was used in the research process.

6-Methoxyisoindolin-1-one(cas:132680-54-7 Quality Control of 6-Methoxyisoindolin-1-one) is a class III topoisomerase inhibitor that binds to the chk1 protein, which is an enzyme involved in DNA replication. 6-Methoxyisoindolin-1-one inhibits the interaction between the chk1 protein and DNA, preventing DNA replication.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Recommanded Product: 6-Methoxyisoindolin-1-oneIn 2021, Chang, Zhe;Huang, Jialin;Wang, Si;Chen, Geshuyi;Zhao, Heng;Wang, Rui;Zhao, Depeng published 《Copper catalyzed late-stage C(sp³)-H functionalization of nitrogen heterocycles》. 《Nature Communications》published the findings. The article contains the following contents:

A copper-catalyzed late-stage C(sp³)-H functionalization of N-heterocycles using com. available catalysts under mild reaction conditions was reported. We have investigated eight types of N-heterocycles such as I (R = H, Me) which were usually found in medicinally important skeletons. The scope and utility of this approach were demonstrated by late-stage C(sp³)-H modification of these heterocycles including a number of pharmaceuticals with a broad range of nucleophiles, such as methylation, arylation, azidination, mono-deuteration, and glycoconjugation. Preliminary mechanistic studies revealed that the reaction undergoes a C-H fluorination process which is followed by a nucleophilic substitution. To complete the study, the researchers used 6-Methoxyisoindolin-1-one (cas: 132680-54-7) .

6-Methoxyisoindolin-1-one(cas:132680-54-7 Recommanded Product: 6-Methoxyisoindolin-1-one) also interacts with inhibitors of other topoisomerases such as camptothecin and etoposide. It has been shown that combining these two drugs can inhibit cancer cells more effectively than either drug alone.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Wang, Ze-Shu;Chen, Yang-Bo;Zhang, Hao-Wen;Sun, Zhou;Zhu, Chunyin;Ye, Long-Wu published 《Ynamide Smiles Rearrangement Triggered by Visible-Light-Mediated Regioselective Ketyl-Ynamide Coupling: Rapid Access to Functionalized Indoles and Isoquinolines》. The research results were published in《Journal of the American Chemical Society》 in 2020.Product Details of 132680-54-7 The article conveys some information:

Here, a novel and practical radical Smiles rearrangement triggered by photoredox-catalyzed regioselective ketyl-ynamide coupling is reported, which represents the first radical Smiles rearrangement of ynamides. This method enables facile access to a variety of valuable 2-benzhydrylindoles with broad substrate scope in generally good yields under mild reaction conditions. In addition, this chem. can also be extended to the divergent synthesis of versatile 3-benzhydrylisoquinolines through a similar ketyl-ynamide coupling and radical Smiles rearrangement, followed by dehydrogenative oxidation Moreover, such an ynamide Smiles rearrangement initiated by intermol. photoredox catalysis via addition of external radical sources is also achieved. By control experiments, the reaction was shown to proceed via key ketyl radical and α-imino carbon radical intermediates. To complete the study, the researchers used 6-Methoxyisoindolin-1-one (cas: 132680-54-7) .

6-Methoxyisoindolin-1-one(cas:132680-54-7 Product Details of 132680-54-7) also interacts with inhibitors of other topoisomerases such as camptothecin and etoposide. It has been shown that combining these two drugs can inhibit cancer cells more effectively than either drug alone.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Electric Literature of C9H9NO2《Palladium-Catalyzed Direct C-H Carbonylation of Free Primary Benzylamines: A Synthesis of Benzolactams》 was published in 2018. The authors were Zhang, Chunhui;Ding, Yongzheng;Gao, Yuzhen;Li, Shangda;Li, Gang, and the article was included in《Organic Letters》. The author mentioned the following in the article:

A protocol for palladium-catalyzed C-H carbonylation of readily available free primary benzylamines using NH₂ as the chelating group under an atm. pressure of CO has been achieved, providing a general, atom- and step-economic approach to benzolactams, an important structural motif found in many biol. active compounds Application of this new method is also exemplified in the concise syntheses of two bioactive mols, e.g., (R)-PD 172939. The experimental procedure involved many compounds, such as 6-Methoxyisoindolin-1-one (cas: 132680-54-7) .

6-Methoxyisoindolin-1-one(cas:132680-54-7 Electric Literature of C9H9NO2) also interacts with inhibitors of other topoisomerases such as camptothecin and etoposide. It has been shown that combining these two drugs can inhibit cancer cells more effectively than either drug alone.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Kamochi, Yasuko;Watanabe, Yasuo published 《Synthesis of isoindolinones by the amidomethylation of N-(hydroxymethyl)benzamides with pyrophosphoric acid》 in 1989. The article was appeared in 《Daiichi Yakka Daigaku Kenkyu Nenpo》. They have made some progress in their research.Related Products of 132680-54-7 The article mentions the following:

Synthesis of 1-isoindolinones by amidomethylation of N-(hydroxymethyl)benzamides with an electron-donating group para to the ring-closure site with pyrophosphoric acid is described, and a conversion of some amidomethylated intermediates into 1-isoindolinones is discussed. The experimental procedure involved many compounds, such as 6-Methoxyisoindolin-1-one (cas: 132680-54-7) .

The crystal structure of 6-Methoxyisoindolin-1-one(cas:132680-54-7 Related Products of 132680-54-7) has been determined using x-ray crystallography and cell studies. It was found that 6-Methoxyisoindolin-1-one inhibits the interactions of chk1 with substructures of DNA, such as the major groove and minor groove.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Dobbs, Adrian published 《Total Synthesis of Indoles from Tricholoma Species via Bartoli/Heteroaryl Radical Methodologies》 in 2001. The article was appeared in 《Journal of Organic Chemistry》. They have made some progress in their research.Application In Synthesis of 7-Bromo-4-methyl-1H-indole The article mentions the following:

The Bartoli reaction of o-bromonitrobenzene with simple vinyl Grignard reagents was performed yielding a range of complex 7-bromo-substituted indoles followed by radical reduction using Bu₃Sn/AIBN in toluene to give 7-unsubstituted indoles in near quant. yields. The total synthesis of three indole alkaloids I (R = H, OH, OMe) was then achieved via this Bartoli synthesis/heteroaryl radical reduction approach. To complete the study, the researchers used 7-Bromo-4-methyl-1H-indole (cas: 165669-07-8) .

Application In Synthesis of 7-Bromo-4-methyl-1H-indoleIn addition to tryptophan, indigo, and indoleacetic acid, numerous compounds obtainable from plant or animal sources contain the indole molecular structure. The best-known group of these compounds is the indole alkaloids, members of which have been isolated from plants representing more than 30 families.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Yuan, Yumeng;Pan, Guoshuai;Zhang, Xiaofeng;Li, Buhong;Xiang, Shengchang;Huang, Qiufeng published 《Synthesis of seven-membered azepino[3,2,1-hi]indoles via rhodium-catalyzed regioselectively C-H activation/DBU-catalyzed intramolecualr amidation of 7-phenylindoles in one pot》. The research results were published in《Journal of Organic Chemistry》 in 2019.SDS of cas: 165669-07-8 The article conveys some information:

An unprecedented rhodium-catalyzed regioselectively C-H activation/DBU-catalyzed intramol. amidation cyclization of 7-arylindoles with diazomalonates is described that provides a straightforward route to seven-membered azepino[3,2,1-hi]indoles I (R¹ = H, 12-Me, 11-F, etc.; R² = 7-OMe, 7-tBu, 7-OH, etc.; R³ = CO₂Me, CO₂Et, CO₂iPr) in good to excellent yields in one pot. A wide range of functional groups, including F, OMe, NPh₂, SiMe₃, Cl, CN, CHO, COMe, CO₂Me, CF₃, NO₂ were all well tolerated.7-Bromo-4-methyl-1H-indole (cas: 165669-07-8) were involved in the experimental procedure.

SDS of cas: 165669-07-8In addition to tryptophan, indigo, and indoleacetic acid, numerous compounds obtainable from plant or animal sources contain the indole molecular structure. The best-known group of these compounds is the indole alkaloids, members of which have been isolated from plants representing more than 30 families.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles