Month: November 2022

Islam, M. Q.; Hill, W. E.; Webb, T. R. published an article in 1989, the title of the article was Synthesis and characterization of long chain unsymmetrical diphosphines.Safety of (6-Bromohexyl)triphenylphosphonium bromide And the article contains the following content:

The long-chain unsym. diphosphines, R2P(CH2)nPPh2 (R = Me, Et; n = 6, 8) have been synthesized and characterized by their 31P and 1H NMR spectra. The purity of product is strictly dependent on the reaction condition. Attempted preparation of the diphosphines with same substituents on P but a longer chain length (10 and 12 methylene bridge) was unsuccessful because of possible disubstitution in the first of the four step synthesis giving mixed products (sym. and unsym. diphosphines). The experimental process involved the reaction of (6-Bromohexyl)triphenylphosphonium bromide(cas: 83152-22-1).Safety of (6-Bromohexyl)triphenylphosphonium bromide

The Article related to diphosphine unsym long chain, dibromoalkane reaction triorganophosphine, oxidation diphosphonium dibromide unsym, bromoalkylphosphonium bromide preparation reaction triorganophosphine, quaternization triorganophosphine dibromoalkane and other aspects.Safety of (6-Bromohexyl)triphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Nakayama, Kaii; Kamiya, Hidehiro; Okada, Yohei published an article in 2022, the title of the article was Radical cation Diels-Alder reactions of arylidene cycloalkanes.Name: (6-Bromohexyl)triphenylphosphonium bromide And the article contains the following content:

TiO2 photoelectrochem. and electrochem. radical cation Diels-Alder reactions of arylidene cycloalkanes are described, leading to the construction of spiro ring systems. Although the mechanism remains an open question, arylidene cyclobutanes are found to be much more effective in the reaction than other cycloalkanes. Since the reaction is completed with a substoichiometric amount of electricity, a radical cation chain pathway is likely to be involved. The experimental process involved the reaction of (6-Bromohexyl)triphenylphosphonium bromide(cas: 83152-22-1).Name: (6-Bromohexyl)triphenylphosphonium bromide

The Article related to spiro compound preparation photoelectrochem electrochem reaction, arylidene cycloalkane dimethyl butadiene diels alder reaction, diels–alder reaction, arylidene cycloalkane, radical cation, single-electron transfer, spiro ring system and other aspects.Name: (6-Bromohexyl)triphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On May 26, 1987, Haga, Toru; Nagano, Hideyoshi; Okuda, Hiroki; Takase, Masayuki published a patent.Computed Properties of 111010-07-2 The title of the patent was Preparation of 5-bromo-4-chloro-2-fluoroaniline as intermediate for tetrahydrophthalimide herbicides. And the patent contained the following:

The title compound (I), useful as an intermediate for herbicidal tetrahydrophthalimides II (R = H, alkyl, Ph) were prepared by reduction of 1-bromo-2-chloro-4-fluoro-5-nitrobenzene (III). A mixture of 14 g III and 20 g Fe powder in AcOH 20, EtOAc 30, and 5% aqueous AcOH 50 mL was refluxed at 60-80° for 3 h to give 10.4 g I. The experimental process involved the reaction of 5-Bromo-4-chloro-2-fluoroaniline(cas: 111010-07-2).Computed Properties of 111010-07-2

The Article related to aniline trihalo preparation herbicide intermediate, herbicide intermediate bromochlorofluoroaniline preparation, phthalimide tetrahydro herbicide intermediate trihaloaniline, bromochlorofluoroaniline intermediate herbicide preparation and other aspects.Computed Properties of 111010-07-2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Varano, Flavia; Catarzi, Daniela; Vigiani, Erica; Vincenzi, Fabrizio; Pasquini, Silvia; Varani, Katia; Colotta, Vittoria published an article in 2020, the title of the article was Piperazine- and piperidine-containing thiazolo[5,4-d]pyrimidine derivatives as new potent and selective adenosine A2A receptor inverse agonists.Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione And the article contains the following content:

The therapeutic use of A2A adenosine receptor (AR) antagonists for the treatment of neurodegenerative disorders, such as Parkinson and Alzheimer diseases, is a very promising approach. Moreover, the potential therapeutic role of A2A AR antagonists to avoid both immunoescaping of tumor cells and tumor development is well documented. Herein, authors report on the synthesis and biol. evaluation of a new set of piperazine- and piperidine- containing 7-amino-2-(furan-2-yl)thiazolo[5,4-d]pyrimidine derivatives designed as human A2A AR antagonists/inverse agonists. Binding and potency data indicated that a good number of potent and selective hA2A AR inverse agonists were found. Amongst them, the compound I exhibited the highest A2A AR binding affinity (Ki = 8.62 nM) as well as inverse agonist potency (IC50 = 7.42 nM). The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione

The Article related to piperazinyl piperidinyl thiazolopyrimidine preparation in silico adme prediction, adenosine a2a receptor inverse agonist human, g protein-coupled receptors, adenosine a2a receptor ligands, adenosine receptors, thiazolo[5,4-d]pyrimidines and other aspects.Quality Control of 2-(2-Bromoethyl)isoindoline-1,3-dione

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On May 13, 2004, Bit, Rino Antonio; Giblin, Gerard Martin Paul; Hall, Adrian; Hurst, David Nigel; Kilford, Ian Reginald; Miller, Neil Derek; Scoccitti, Tiziana published a patent.Application In Synthesis of Ethyl 2-bromo-6-fluorobenzoate The title of the patent was Preparation of benzoic acids and related compounds as EP1 receptor antagonists for the treatment of prostaglandin mediated diseases.. And the patent contained the following:

Title compounds I [A = (un)substituted aryl, 5 or 6-membered heterocyclyl ring, bicyclic heterocyclyl; B = Ph, pyridyl; Z = O, S, SO, etc.; R1 = CO2R4, CN, CONR5R6, etc.; R2a, R2b = H, halogen, (un)substituted alkyl, etc.; Rx = (un)substituted alkyl, CQaQb-heterocyclyl, CQaQb-bicyclic heterocyclyl, etc.; R4, R5 = H, (un)substituted alkyl; R6 = H, (un)substituted alkyl, heteroaryl, etc.; R8, R9 = H, Cl, F, etc.; Qa, Qb = H, CH3] and their pharmaceutically acceptable derivatives were prepared For example, the Suzuki coupling of Et 2′-bromobiphenyl-3-carboxylate and 2-benzyloxy-5-chlorophenylboronic acid, e.g., prepared from 3-ethoxycarbonylphenylboronic acid, followed by hydrolysis afforded compound I [A-R1 = 3-carboxyphenyl; Z = O; R2a = H, R2b = 5-Cl; R8, R9 = H] in 39% overall yield. In human prostanoid EP1 receptor binding assays, 90-examples of compounds I exhibited pIC50 values ranging from 6.0->9.0 at the EP1 receptor and pIC50 values of <6.0 at the EP3 receptor. Of note, no toxicol. effects are indicated/expected (sic) when the compounds I are administered at the assay concentration of 3 nM. Compounds I are claimed useful for the treatment of prostaglandin mediated diseases, e.g., inflammation, pain, etc. The experimental process involved the reaction of Ethyl 2-bromo-6-fluorobenzoate(cas: 1214362-62-5).Application In Synthesis of Ethyl 2-bromo-6-fluorobenzoate

The Article related to benzoic acid derivative preparation ep1 receptor antagonist prostaglandin disease, antiinflammatory agent benzoic acid derivative preparation ep1 receptor antagonist, analgesic benzoic acid derivative preparation ep1 receptor antagonist and other aspects.Application In Synthesis of Ethyl 2-bromo-6-fluorobenzoate

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On March 1, 2022, Meng, Depei; Lyu, Yichong; Ni, Chuanfa; Zhou, Min; Li, Yang; Hu, Jinbo published an article.Electric Literature of 2567-29-5 The title of the article was S-(Trifluoromethyl)Benzothioate (TFBT): A KF-Based Reagent for Nucleophilic Trifluoromethylthiolation. And the article contained the following:

S-(Trifluoromethyl)benzothioate (TFBT) was developed as an inexpensive, bench-stable and user-friendly trifluoromethylthiolation reagent which was easily synthesized by using KF as the only fluorine source. By using TFBT, trifluoromethylthiolates with various counterions was readily obtained. The synthetic application of TFBT was demonstrated by trifluoromethylthiolation-halogenation of arynes, bis(trifluoromethylthiolation)-halogenation of 1,2-benzdiynes, nucleophilic substitution of alkyl halides, deoxytrifluoromethylthiolation of alcs., and cross-coupling with aryl and vinyl boronic acids. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Electric Literature of 2567-29-5

The Article related to trifluoromethyl benzothioate preparation aryne halogenation trifluoromethylthiolation, halo trifluoromethylthio arene preparation, s-(trifluoromethyl)benzothioate, aryne, multifunctionalization, potassium fluoride, trifluoromethylthiolation and other aspects.Electric Literature of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On August 5, 2020, Sidhu, Jagpreet Singh; Raj, Pushap; Pandiyan, Thangarasu; Singh, Narinder published an article.Formula: C10H8BrNO2 The title of the article was Synthesis of Nickel(II) Complexes of Novel Naphthalimide Based Heterodipodal Schiff Base Ligands, Structure, Characterization and Application for Degradation of Pesticides. And the article contained the following:

To degrade the highly toxic pesticide into less harmful components, authors have synthesized four nickel complexes of naphthalimide based organic ligands. These complexes catalyze the hydrolysis of phosphorothioate bonds of organophosphates in an aqueous medium. The metal complexes {[Ni(L1)2]-[Ni(L4)2]} were synthesized by the electrochem. method and characterized using single-crystal x-ray crystallog. and mass spectrometry. Anal. techniques revealed that complexes are mononuclear and possess octahedral geometry. The rate of degradation of chlorpyriphos and parathion Me was evaluated using 31P NMR and LC-MS chromatogram. The byproduct of chlorpyriphos upon catalytic degradation with complex was confirmed from mass spectrometry. It was found that chlorpyriphos degrade into 3,5,6-trichloropyridin-2-ol after 50 min of incubation with catalyst. However, parathion Me took only 20 min to hydrolyze into its byproduct. Moreover, the inhibition assay of acetylcholinesterase was performed for pesticides in the presence of metal complex and the interesting outcome was recorded. The experimental process involved the reaction of 2-(2-Bromoethyl)isoindoline-1,3-dione(cas: 574-98-1).Formula: C10H8BrNO2

The Article related to nickel naphthalimide heterodipodal schiff base preparation degrade pesticide, crystal mol structure naphthalimide heterodipodal schiff base, phosphorothioate organophosphate hydrolysis catalyst naphthalimide heterodipodal schiff base nickel and other aspects.Formula: C10H8BrNO2

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On December 31, 2014, Ko, Soo Sung; Batt, Douglas A.; Bertrand, Myra Beaudoin; Delucca, George V.; Langevine, Charles M.; Liu, Qingjie; Srivastava, Anurag S.; Watterson, Scott Hunter published a patent.Recommanded Product: 1-Bromo-3-isocyanato-2-methyl-benzene The title of the patent was Preparation of 4-phenylcarbazole-1-carboxamide compounds useful as Bruton’s tyrosine kinase (Btk) inhibitors. And the patent contained the following:

There are disclosed carbazolecarboxamide compounds of formula [I; Q = Q1, Q2, Q3, or Q4; R1 = C(CH3)2OH, NHC(O)C(CH3)3, N(CH3)2, or CH2Rd; R2 = Cl or CH3; R3 = H, F, or CH3; Ra = H or CH3; Rb = H, F, Cl, or OCH3; Rc = H or F; Rd = OH, OCH3, NHC(O)CH3, or pyrrolidin-1-yl] or salts thereof. These compounds are inhibitors of kinases, in particular Bruton’s tyrosine kinase (Btk) and are useful in treating, preventing, or slowing the progression of diseases or disorders in a variety of therapeutic areas, such as autoimmune diseases and chronic inflammatory diseases. Thus, 4-bromo-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide was coupled with 5-chloro-2-[2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1H-pyrido[1,2-c]pyrimidine-1,3(2H)-dione in the presence of Pd2(dppf).CH2Cl2adduct and Cs2CO3 in THF under argon at 45° for 3.5 h to give 39% 4-[3-(5-chloro-1,3-dioxo-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl]-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide as a mixture of 4 diastereomers which was separated by chiral super-critical fluid chromatog. to give 4-[3-(R)-(5-Chloro-1,3-dioxo-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl]-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide (II) and 4-[3-(S)-(5-chloro-1,3-dioxo-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl)-2-methylphenyl]-7-(2-hydroxypropan-2-yl)-9H-carbazole-1-carboxamide (III). III showed IC50 of 0.41 and 1,000 nM against human recombinant Bruton’s tyrosine kinase (Btk) and Jak2 tyrosine kinase, resp. The experimental process involved the reaction of 1-Bromo-3-isocyanato-2-methyl-benzene(cas: 1261475-16-4).Recommanded Product: 1-Bromo-3-isocyanato-2-methyl-benzene

The Article related to carbazolecarboxamide preparation bruton tyrosine kinase btk kinase inhibitor, phenylcarbazolecarboxamide preparation kinase inhibitor, autoimmune disease chronic inflammatory disease treatment prevention phenylcarbazolecarboxamide preparation and other aspects.Recommanded Product: 1-Bromo-3-isocyanato-2-methyl-benzene

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On June 2, 2022, Watanabe, Hideyuki; Kamikubo, Takashi; Kamikawa, Akio; Washio, Takuya; Seki, Yohei; Okuyama, Keiichiro; Ikeda, Osamu; Tomiyama, Hiroshi; Iwai, Yoshinori; Nakamura, Akihiko; Miyasaka, Kozo published a patent.Electric Literature of 1805937-67-0 The title of the patent was Preparation of heteroaryl carboxamide compounds as DGKζ (DGKzeta) inhibitors and anticancer agents. And the patent contained the following:

Heteroaryl carboxamide compounds including N-phenyl-1H-pyrazole-3-carboxamides, N-phenyl-2-oxo-1,2-dihydropyridine-3-carboxamides, and N-phenyloxazole-4-carboxamides represented by formula I [A = Q1, Q2, Q3, or Q4; B = Q5, Q6, Q7, or Q8; when R1 a = halo-C1-6 alkyl, B = Q5; R1a = pyridazinyl or halo-C1-6 alkyl; R1b = H or C1-6 alkyl; R2 = C3-5 cycloalkyl, C1-6 alkyloxy, halo-C1-6 alkyl, halo, or Ph; R3 = each (un)substituted Ph, C3-8 cycloalkyl, or pyridyl, or 5- or 6-membered partially unsaturated heterocyclyl containing 1-4 heteroatoms selected from O, S, and N atoms; R4 = H or F; R6 = -L2-(CH2)2NRaRb, or piperidinyl; L1 = a singe bond, O, or NH; L2 = a single bond, O, or CH2; X = CH2 or NMe; Y = CH or N; Ra = H or Me; Rb = H, Me, Et, cyclopropyl, or (CH2)2OMe; m = 1, 2, or 3] or salts thereof are prepared The compounds I or salts thereof have a DGKζ (DGKzeta) inhibiting activity and are useful as active ingredients for pharmaceutical compositions for treating cancer associated with the activation of an immunocyte or cancer having resistance to an anti-PD-1 antibody/anti-PD-L1 antibody therapy. Thus, [[(2R)-4-[6-amino-3-(2-fluorophenoxy)-2-(trifluoromethyl)phenyl]-1-methylpiperazin-2-yl]methyl](methyl)carbamic acid tert-Bu ester was condensed with 1-(pyridazin-4-yl)-1H-pyrazole-3-carboxylic acid using HATU in the presence of diisopropylethylamine in DMF at 50° for 12 h to give [[(2R)-4-[3-(2-fluorophenoxy)-6-[[[1-(pyridazin-4-yl)-1H-pyrazol-3-yl]carbonyl]amino]-2-(trifluoromethyl)phenyl]-1-methylpiperazin-2-yl]methyl](methyl)carbamic acid tert-Bu ester which was treated with CF3CO2H in CH2Cl2 at room temperature for 4 h followed by purification using silica gel chromatog. (CHCl3/MeOH/aqueous ammonia solution) to give N-[4-(2-fluorophenoxy)-2-[(3S)-4-methyl-3-[(methylamino)methyl]piperazin-1-yl]-3-(trifluoromethyl)phenyl]-1-(pyridazin-4-yl)-1H-pyrazole-3-carboxamide (II). II, II monobutanedioate, and compound (III) showed IC50 of 10, 3.2, 0.42 nM, resp., against human recombinant DGKζ (DGKzeta). The experimental process involved the reaction of 2-Bromo-4-fluoro-1-nitro-3-(trifluoromethyl)benzene(cas: 1805937-67-0).Electric Literature of 1805937-67-0

The Article related to antibody immunotherapy resistant cancer treatment, heteroaryl carboxamide preparation dgkzeta inhibitor anticancer, phenylpyrazolecarboxamide phenyloxodihydropyridinecarboxamide phenyloxazolecarboxamide preparation dgkzeta inhibitor anticancer and other aspects.Electric Literature of 1805937-67-0

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On June 27, 2022, Huang, Ming-Yao; Zhao, Yu-Tao; Zhang, Cheng-Da; Zhu, Shou-Fei published an article.Recommanded Product: 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Highly Regio-, Stereo-, and Enantioselective Copper-Catalyzed B-H Bond Insertion of α-Silylcarbenes: Efficient Access to Chiral Allylic gem-Silylboranes. And the article contained the following:

Herein, we report the development of a method for highly regio-, stereo-, and enantioselective B-H bond insertion reactions of α-silylcarbenes generated from 1-silylcyclopropenes in the presence of a chiral copper(I)/bisoxazoline catalyst for the construction of chiral γ,γ-disubstituted allylic gem-silylboranes, which cannot be prepared by any other known methods. This reaction is the first highly enantioselective carbene insertion reaction of α-silylcarbenes ever to be reported. The method shows general applicability for various 3,3-disubstituted silylcyclopropenes and exclusively affords E-products. The novel chiral γ,γ-disubstituted allylic gem-silylborane products are versatile allylic bimetallic reagents with high stability and have great synthetic potential, especially for the construction of complex mols. with continuous chiral centers. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Recommanded Product: 4-(Bromomethyl)-1,1′-biphenyl

The Article related to regioselective stereoselective enantioselective copper catalyst insertion silylcarbene mechanism, crystal structure mol allylic silyl borane preparation chiral, asymmetric catalysis, b−h bond insertion, carbenes, copper catalysis, cyclopropenes and other aspects.Recommanded Product: 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary