Category: indole-building-block

On September 5, 2014, Chen, Hui; Wang, Jiang; Zhou, Shengbin; Liu, Hong published an article.COA of Formula: C9H9NO2 The title of the article was Asymmetric Synthesis of Chiral Heterocyclic Amino Acids via the Alkylation of the Ni(II) Complex of Glycine and Alkyl Halides. And the article contained the following:

An investigation into the reactivity profile of alkyl halides led to the development of a new method for the asym. synthesis of chiral heterocyclic amino acids. This protocol involves the asym. alkylation of the Ni(II) complex of glycine, [NiL] (H2L = N-[phenyl[2-[[[(2S)-1-(phenylmethyl)-2-pyrrolidinyl]carbonyl]amino]phenyl]methylene]-glycine), to form an intermediate, which then decomposes to form valuable chiral amino acids in high yields and with excellent diastereoselectivity. The chiral amino acids underwent a smooth intramol. cyclization process to afford the valuable chiral heterocyclic amino acids in high yields and enantioselectivities. This result paves the way for the development of a new synthetic method for chiral heterocyclic amino acids. The experimental process involved the reaction of H-Idc-OH(cas: 79815-20-6).COA of Formula: C9H9NO2

The Article related to nickel pyrrolidinylcarbonylaminophenylmethyleneglycine complex preparation alkylation, asym preparation chiral heterocyclic amino acid, Inorganic Chemicals and Reactions: Coordination Compounds and other aspects.COA of Formula: C9H9NO2

Referemce:
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

On May 10, 2012, Calderon, Felix; Vidal-Mas, Jaume; Burrows, Jeremy; de la Rosa, Juan Carlos; Jimenez-Diaz, Maria Belen; Mulet, Teresa; Prats, Sara; Solana, Jorge; Witty, Michael; Gamo, Francisco Javier; Fernandez, Esther published an article.Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole The title of the article was A Divergent SAR Study Allows Optimization of a Potent 5-HT2c Inhibitor to a Promising Antimalarial Scaffold. And the article contained the following:

From the 13 533 chem. structures published by GlaxoSmithKline in 2010, we identified 47 quality starting points for lead optimization. One of the most promising hits was the TCMDC-139046, a mol. presenting an indoline core, which is well-known for its anxiolytic properties by interacting with serotonin antagonist receptors 5-HT2. The inhibition of this target will complicate the clin. development of these compounds as antimalarials. Herein, we present the antimalarial profile of this series and our efforts to avoid interaction with this receptor, while maintaining a good antiparasitic potency. By using a double-divergent structure-activity relationship anal., we have obtained a novel lead compound harboring an indoline core. The experimental process involved the reaction of 6-Chloro-2,3-dihydro-1H-indole(cas: 52537-00-5).Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole

The Article related to sar antimalaria 5ht antagonist indole, tres cantos antimalarial set, divergent sar, indoline, malaria, open-innovation, Pharmacology: Effects Of Antimicrobials and Parasiticides and other aspects.Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole

Referemce:
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

Saravanan Prabhu, Nadarajan; Ayyadurai, Niraikulam; Deepankumar, Kanagavel; Chung, Taeowan; Lim, Dong Joon; Yun, Hyungdon published an article in 2012, the title of the article was Reassignment of sense codons: Designing and docking of proline analogs for Escherichia coli prolyl-tRNA synthetase to expand the genetic code.Computed Properties of 79815-20-6 And the article contains the following content:

Amino acyl-tRNA synthetases (AARSs) play a vital role in protein synthesis by catalyzing the aminoacylation of tRNA with its cognate amino acid. More recently, the endogenous AARS has been reported to recognize the close structural analogs of its cognate amino acid and helps in the in vitro and in vivo incorporation of analogs into recombinant proteins. By exploiting this substrate promiscuity, a number of non-canonical amino acids were successfully incorporated into the recombinant proteins. However, the incorporation efficiency varies with the different structural analogs depending on their reactivity towards the tRNA synthetases, which is due to the interaction and accommodation in the active site. Here, to analyze the incorporation efficiency of different proline analogs and to predict the active site residues responsible for the recognition, we carried out mol. docking study with the modeled Escherichia coli prolyl-tRNA synthetase (EcProRS). We also mapped the binding mode for the reported, virtually generated proline analogs and compared it with the reported crystal structure. The reactivity of the reported analogs was correlated with the biochem. data with respect to their interaction and orientation in the active site, which demonstrates the role of active site residues for the recognition of proline analogs and some new substrates such as chloro, bromo and iodoproline for EcProRS. We also rationally designed a EcProRS mutant for desired proline analog and validated by docking simulation with 3D model structure. The experimental process involved the reaction of H-Idc-OH(cas: 79815-20-6).Computed Properties of 79815-20-6

The Article related to sense codon docking proline escherichia prolyl trna synthetase modeling, Enzymes: Separation-Purification-General Characterization and other aspects.Computed Properties of 79815-20-6

Referemce:
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

On February 13, 2020, Na, Hyo Gyeong; Imran, Ali; Kim, Kyuneun; Han, Hong Sik; Lee, Young Jin; Kim, Myung-Jin; Yun, Chang-Soo; Jung, Young-Sik; Lee, Joo-Youn; Han, Soo Bong published an article.Name: Methyl 5-bromoindoline-7-carboxylate The title of the article was Discovery of a New Sulfonamide Hepatitis B Capsid Assembly Modulator. And the article contained the following:

Hepatitis B virus (HBV) remains a major health concern with 260 million people having been infected globally, and approx. 680,000 deaths have occurred annually from cirrhosis and liver cancer. The modulation of HBV capsid assembly has emerged as a promising therapeutic approach for curing chronic HBV infection. Small-mol. capsid assembly modulators (CAMs) can broadly be classified as heteroaryldihydropyrimidines and sulfamoylbenzamides (SBAs). SBAs are capsid activators that inhibit viral replication by achieving capsid assembly before polymerase encapsulation. Herein, we report a novel series of HBV CAMs based on NVR 3-778, a potent CAM belonging to the SBA class. The lead compound (KR-26556) exhibited improved pharmacol. activity and was examined through mol. docking studies. The experimental process involved the reaction of Methyl 5-bromoindoline-7-carboxylate(cas: 860624-88-0).Name: Methyl 5-bromoindoline-7-carboxylate

The Article related to hepatitis b capsid assembly antihbv mol docking studies, Pharmacology: Effects Of Antimicrobials and Parasiticides and other aspects.Name: Methyl 5-bromoindoline-7-carboxylate

Referemce:
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

Deb, Indubhusan; Coiro, Daniel J.; Seidel, Daniel published an article in 2011, the title of the article was Decarboxylative formation of N-alkyl pyrroles from 4-hydroxyproline.HPLC of Formula: 79815-20-6 And the article contains the following content:

N-Alkyl pyrroles are obtained in a single step from trans-4-hydroxyproline and aldehydes or ketones in just 15 min under microwave irradiation E.g., benzoic acid-catalyzed reaction of trans-4-hydroxyproline and 4-ClC6H4CHO gave 73% N-alkyl pyrrole I. The experimental process involved the reaction of H-Idc-OH(cas: 79815-20-6).HPLC of Formula: 79815-20-6

The Article related to hydroxyproline reaction aldehyde ketone, alkyl pyrrole decarboxylative preparation, Heterocyclic Compounds (One Hetero Atom): Pyrroles and Pyrrolizines and other aspects.HPLC of Formula: 79815-20-6

Referemce:
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

On April 30, 1998, Ledvina, Miroslav; Zyka, Daniel; Jezek, Jan; Trnka, Tomas; Saman, David published an article.Category: indole-building-block The title of the article was New effective synthesis of (N-acetyl- and N-stearoyl-2-amino-2-deoxy-β-D-glucopyranosyl)-(1→4)-N-acetylnormuramoyl-L-2-aminobutanoyl-D-isoglutamine, analogs of GMDP with immunopotentiating activity. And the article contained the following:

Et 3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside (5), prepared by benzylation of Et 2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside, was transformed by reaction with bromine into 3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl bromide (6). Thioglycoside 5 in the presence of Me triflate and glycosyl bromide 6 in the presence of silver triflate were used as glycosyl donors for condensation with benzyl 2-acetamido-3-O-allyl-6-O-benzyl-2-deoxy-α-D-glucopyranoside, to give benzyl 2-acetamido-3-O-allyl-6-O-benzyl-4-O-(3,4,6-tri-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-2-deoxy-α-D-glucopyranoside (8). Its reductive dephthaloylation with NaBH4/AcOH afforded benzyl 2-acetamido-3-O-allyl-4-O-(2-amino-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranosyl)-6-O-benzyl-2-deoxy-α-D-glucopyranoside (11). Compound 11 was N-acylated to give benzyl 2-acetamido-4-O-(2-acylamino-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranosyl)-3-O-allyl-6-O-benzyl-2-deoxy-α-D-glucopyranosides. These compounds were converted into corresponding benzyl 2-acetamido-4-O-(2-acylamino-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranosyl)-6-O-benzyl-3-O-carboxymethyl-2-deoxy-α-D-glucopyranosides which, by condensation with H-L-Abu-D-isoGln(OBzl) followed by hydrogenolysis of protective benzyl groups, furnished the title glycopeptides. Intramol. O→N migration of the allyl protecting group followed by its reduction to the Pr residue by reaction of compound 8 with hydrazine or hydrazinium acetate, to give benzyl 2-acetamido-4-O-(3,4,6-tri-O-benzyl-2-deoxy-2-propylamino-β-D-glucopyranosyl)-6-O-benzyl-2-deoxy-α-D-glucopyranoside, is also described. The experimental process involved the reaction of Ethyl 2-deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-thio-beta-D-glucopyranoside(cas: 130539-43-4).Category: indole-building-block

The Article related to glycopeptide gmdp analog preparation, Amino Acids, Peptides, and Proteins: Poly(Amino Acids) and Peptides and other aspects.Category: indole-building-block

Referemce:
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

On December 31, 2014, Liu, Hong; Dai, Xing; Palani, Anandan; He, Shuwen; Nargund, Ravi; Xiao, Dong; Dang, Qun; Peng, Xuanjia; Li, Peng published a patent.Application of 1256359-96-2 The title of the patent was Substituted benzofuran compounds and methods of use thereof for the treatment of viral diseases. And the patent contained the following:

Title compounds I [X = pyridinone, pyrimidinone, pyridazone, etc.; B = (un)substituted 5- to 6-membered monocyclic ring, 9- to 10-membered bicyclic ring or C(O)NHCR5R6; A = fluorophenyl; D = absent or NR3SO2R4; R2 = alkyl; R3 = alkyl; R4 = alkyl; R5 = H, alkyl, or hydroxyalkyl; R6 = H or R5 and R6 together with the carbon to which they are attached form cyclopropyl], and their pharmaceutically acceptable salts, are prepared and disclosed. Thus, e.g., II was prepared by Suzuki reaction of 2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide with 5-bromo-1-methylpyridin-2(1H)-one followed by bromination and Suzuki reaction with 4-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-lH-indole. Compounds of the invention were tested for their inhibitory activity using HCV replicon system, e.g., II showed IC50 value of 3.616 nM for genotypes 1a and 3.885 nM for genotype 1b. The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system. The experimental process involved the reaction of 4-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole(cas: 1256359-96-2).Application of 1256359-96-2

The Article related to benzofuran preparation hcv viral disease, Heterocyclic Compounds (One Hetero Atom): Areno- and Diarenofurans and other aspects.Application of 1256359-96-2

Referemce:
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

On December 31, 2014, Liu, Hong; Dai, Xing; Palani, Anandan; He, Shuwen; Nargund, Ravi; Xiao, Dong; Dang, Qun; Peng, Xuanjia; Li, Peng published a patent.Synthetic Route of 1256359-96-2 The title of the patent was Substituted benzofuran compounds and methods of use thereof for the treatment of viral diseases. And the patent contained the following:

Title compounds I [X = pyridinone, pyrimidinone, pyridazone, etc.; B = (un)substituted 5- to 6-membered monocyclic ring, 9- to 10-membered bicyclic ring or C(O)NHCR5R6; A = fluorophenyl; D = absent or NR3SO2R4; R2 = alkyl; R3 = alkyl; R4 = alkyl; R5 = H, alkyl, or hydroxyalkyl; R6 = H or R5 and R6 together with the carbon to which they are attached form cyclopropyl], and their pharmaceutically acceptable salts, are prepared and disclosed. Thus, e.g., II was prepared by Suzuki reaction of 2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide with 5-bromo-1-methylpyridin-2(1H)-one followed by bromination and Suzuki reaction with 4-fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-lH-indole. Compounds of the invention were tested for their inhibitory activity using HCV replicon system, e.g., II showed IC50 value of 3.616 nM for genotypes 1a and 3.885 nM for genotype 1b. The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system. The experimental process involved the reaction of 4-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole(cas: 1256359-96-2).Synthetic Route of 1256359-96-2

The Article related to benzofuran preparation hcv viral disease, Heterocyclic Compounds (One Hetero Atom): Areno- and Diarenofurans and other aspects.Synthetic Route of 1256359-96-2

Referemce:
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

Sekhar, Abinitha S.; Saranya, T. S.; Baskar, Vaishnav; Manakadan, Asha Ashokan published an article in 2016, the title of the article was In silico approach of apoptosis induing ability of different indole derivatives by interaction with caspase9.Related Products of 256935-86-1 And the article contains the following content:

Indole compounds are well known for their wide variety of pharmacol. activities. It is the combination of benzene with pyrrole ring. Compounds having indole group are biol. important. They are used as antimicrobial, antiviral, antitubercular, antiinflammatory, anticancer, ant-diabetic and anticonvulsant agents. Because of the wide variety of biol. application, several substituted indole derivatives are studied for their mol. structure, mol. docking and bioavailability. The purpose of the study is to carry out the docking studies of indole derivatives containing electrophilic substitution and nucleophilic substitution with the anticancer target casp9. Fifty compounds were designed and by using Argus lab version 4.0.1. Their docking score was calculated and compared with the standard drug casodex. The drug likeness of compounds was performed using Lipinski rule of five. Result showed that 1,1′-(1H-indole-5,6-diyl)diethanone and 5-(trichloromethyl)-1H-indole and the phytoconstituent curcumin showed better docking score than that of the standard drug casodex. It is concluded that certain indole derivatives show greater affinity with casp9 protein. These compounds may be helpful in studying anticancer targets for casp9 protein. The experimental process involved the reaction of 6-Chloro-1H-indole-5-carboxylic acid(cas: 256935-86-1).Related Products of 256935-86-1

The Article related to indole derivative induce apoptosis ability anticancer target caspase protein, Pharmacology: Effects Of Neoplasm Inhibitors and Cytotoxic Agents and other aspects.Related Products of 256935-86-1

Referemce:
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

On June 18, 2002, Hester, Jackson B.; Rogers, Bruce N.; Jacobsen, Eric Jon; Ennis, Michael D.; Acker, Brad A.; Vander Velde, Susan L.; Frank, Kristine E. published a patent.Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole The title of the patent was Preparation of tetracyclic azepinoindoles as 5-HT receptor ligands for treatment of CNS disorders. And the patent contained the following:

Title compounds I [wherein R1 = independently OH, NO2, halo, CN CF3, CF3O, or (un)substituted alkyl, alkoxy, alkanoyl(oxy), alkoxycarbonyl, (hetero)aryl, sulfamoyl, amino, carbamoyl, or SOmRe; R2 = H, alkyl, alkanoyl, aryl(carbonyl), arylalkyl, alkoxycarbonyl, aryloxycarbonyl, arylsulfonyl, or arylalkoxycarbonyl; X and Y together = (un)substituted 2-3 membered saturated or partially unsaturated chain comprising 1 or more C’s and 1 O, S, SO, SO2, or NRf; m = independently 0-2; n = 0-3; Re = independently H, alkyl, (hetero)aryl, or (hetero)arylalkyl; Rf = H, alkyl, (hetero)aryl, (hetero)arylalkyl, or is a bond to a 2-4 membered alkylene chain that forms a ring fused to the ring comprising X and Y; with provisos; or a pharmaceutically acceptable salt thereof] were prepared as serotonin 5-HT receptor ligands. For example, a neat reaction between 1,2,3,4-tetrahydroquinoline and isoamylnitrile, followed by reduction of the N-nitroso intermediate with LiAlH4, afforded 3,4-dihydro-1(2H)-quinolinylamine•HCl. Cycloaddition with benzyl 4-oxo-1-azepanecarboxylate and deprotection using Pd/C gave the desired azepinopyrroloquinoline II•HCl. The latter exhibited binding to the 5HT2c receptor with Ki of 13 nM. I are useful for the treatment of central nervous system disorders, such as anxiety, obesity, depression, schizophrenia, stress related diseases, panic disorder, a phobia, obsessive compulsive disorder, post-traumatic stress syndrome, immune system depression, a stress induced problem with the gastrointestinal or cardiovascular system, or sexual dysfunction (no data). The experimental process involved the reaction of 6-Chloro-2,3-dihydro-1H-indole(cas: 52537-00-5).Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole

The Article related to cns agent azepinopyrroloquinoline preparation, azepinoindole tetracyclic preparation serotonin receptor ligand, Heterocyclic Compounds (One Hetero Atom): Higher-Membered Rings and other aspects.Application In Synthesis of 6-Chloro-2,3-dihydro-1H-indole

Referemce:
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