Author: Jessica.F

On November 23, 2021, Fan, Qinghua; Zhang, Shanshan; Chen, Fei; He, Yanmei published a patent.Recommanded Product: 167316-28-1 The title of the patent was Asymmetric hydrogenation kinetic resolution of racemic polysubstituted dihydroisoquinoline. And the patent contained the following:

The invention discloses an asym. hydrogenation kinetic resolution method of racemic polysubstituted dihydroisoquinoline, which can realize the resolution of racemic polysubstituted dihydroisoquinoline compounds, and obtain a single optical isomer of polysubstituted chiral tetrahydroisoquinoline compounds and polysubstituted chiral dihydroisoquinoline compounds with certain optical purity. The asym. hydrogenation kinetic resolution method comprises the following steps: in the presence of chiral diamine metal catalyst, the mixture containing enantiomers of polysubstituted dihydroisoquinoline compounds is asym. hydrogenated with hydrogen. The experimental process involved the reaction of N-[(1S,2S)-2-Amino-1,2-diphenylethyl]-1,1,1-trifluoromethanesulfonamide(cas: 167316-28-1).Recommanded Product: 167316-28-1

The Article related to asym hydrogenation kinetic resolution racemic polysubstituted dihydroisoquinoline, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Recommanded Product: 167316-28-1

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On July 31, 2022, Marae, Islam S.; Ibrahim, Omaima F.; Abdel-Hafez, Shams H.; Mohamed, Shaaban K.; Mague, Joel T.; Bakhite, Etify A.-G. published an article.Synthetic Route of 79-07-2 The title of the article was Synthesis, characterization and crystal structure of some novel partially hydrogenated isoquinolines and their fused heterocyclic systems. And the article contained the following:

Ketonic hydrolysis of 7-acetyl-4-cyano-1,6-dimethyl-6-hydroxy-8-phenyl-5,6,7,8-tetrahydro-isoquinoline-3(2H)-thione via heating with aqueous solution of potassium hydroxide resulted in both deacetylation and dehydration affording new 7,8-dihydroisoquinoline scaffold (7,8-DHISQ) I. Two simple mechanistic approaches are postulated for this synthesis. One of them was supported by converting II into I via heating with aqueous solution of potassium hydroxide. I was used as a key intermediate for synthesizing other 7,8-DHISQ’s III and IV, as well as 7,8-dihydrothienoisoquinoline. Reaction of compound II with 2-chloroacetamide by refluxing in ethanol containing sodium acetate gave 7-acetyl-1-amino-5,8-dimethyl-6-phenyl-6,7-dihydrothieno[2,3-c] isoquinoline-2-carboxamide which was converted into full aromatized pyrimidothienoisoquinoline on treatment with tri-Et orthoformate. Reaction of II with both hydrazine hydrate and hydroxylamine hydrochloride afforded tetrahydropyrazolo-isoquinoline and tetrahydroisoxazoloisoquinoline, resp. Reaction of tetrahydroisoxazoloisoquinoline with N-(4-chlorophenyl)-2-chloroacetamide produced (N-phenylcarbamoylmethylthio)tetra-hydroisoxazoloisoquinoline which was converted into tetrahydroisoxazolothieno-isoquinoline upon heating with sodium ethoxide. Also, crystal structures of compounds III and another tetrahydropyrazoloisoquinoline were determined via X-rays diffraction anal. The experimental process involved the reaction of 2-Chloroacetamide(cas: 79-07-2).Synthetic Route of 79-07-2

The Article related to hydrogenated isoquinoline fused heterocyclic system preparation crystal structure, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Synthetic Route of 79-07-2

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On December 29, 2020, Li, Yanxiong; Xu, Liang; Meng, Faming; Yu, Yonghai published a patent.Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide The title of the patent was Method for synthesizing (S)-1-phenyl-1,2,3,4-tetrahydroisoquinoline using 1-phenyl-3,4-dihydroisoquinoline. And the patent contained the following:

The present invention relates to a (S)-1-phenyl-1,2,3,4-tetrahydroisoquinoline synthesizing method comprising: mixing 1-phenyl-3,4-dihydroisoquinoline, chiral catalyst, acid and solvent, and reacting them. The (S)-1-phenyl-1,2,3,4-tetrahydroisoquinoline with high chiral purity can be generated during the hydrogenation reduction process. The product is easy to sep. and purify, and the yield is high. In addition, the reaction conditions are mild, the process is stable, the reaction operation is simple, convenient and safe, the production cost is low, the three-waste treatment is simple and feasible, the environment is friendly, the equipment used in the reaction process is simple, the raw materials are easy to obtain, and the method is suitable for industrial production The experimental process involved the reaction of (S)-2-Hydroxy-N-methyl-2-phenylacetamide(cas: 65645-88-7).Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide

The Article related to phenyltetrahydroisoquinoline preparation stereoselective hydrogenation phenyldihydroisoquinoline, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On February 5, 2021, Wang, Huihong; Cao, Fei; Gao, Weiwei; Wang, Xiaodong; Yang, Yuhang; Shi, Tao; Wang, Zhen published an article.Reference of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione The title of the article was Pd(II)-Catalyzed Annulation Reactions of Epoxides with Benzamides to Synthesize Isoquinolones. And the article contained the following:

Epoxides as alkylating reagents were unprecedentedly applied in Pd(II)-catalyzed C-H alkylation and oxidative annulation of substituted benzamides to synthesize isoquinolones I [R = 7-Me, 6-t-Bu, 6,8-di-OMe, etc.; R1 = Me, n-pentyl, Bn, etc.; R2 = OMe, OEt, OBn, etc.] rather than isochromans, which was accomplished through alerting the previously reported reaction mechanism by the addition of oxidant and TEA. Under these conditions, various isoquinolones were prepared with yields up to 92%. In addition, this methodol. was successfully employed in the total syntheses of rupreschstyril, siamine, and cassiarin A in an expedient fashion. The experimental process involved the reaction of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione(cas: 5455-98-1).Reference of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione

The Article related to isoquinolone preparation, epoxide benzamide ch alkylation oxidative annulation palladium catalyst, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Reference of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Coote, Steven J.; Davies, Stephen G.; Middlemiss, David; Naylor, Alan published an article in 1989, the title of the article was Enantiospecific synthesis of (+)-(R)-6,7-dimethoxy-2-methyl-4-phenyl-1,2,3,4-tetrahydroisoquinoline from (+)-(S)-2-methylamino-1-phenylethanol.Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide And the article contains the following content:

Acid-promoted cyclization of (+)-(R)-N-(3,4-dimethoxybenzyl)halostachine tricarbonylchomium at -20° is highly stereoselective proceeding with retention of configuration to yield, after removal of the tricarbonylchromium unit, homochiral (+)-(R)-6,7-dimethoxy-2-methyl-4-phenyl-1,2,3,4-tetrahydroisoquinoline. In contrast, cyclization of (-)-(R)-N-(3,4-dimethoxybenzyl)halostachine under acidic conditions at -20° showed poor stereoselectivity giving predominantly the tetrahydroisoquinoine product corresponding to inversion of configuration, (+)-(R)-6,7-dimethoxy-2-methyl-4-phenyl-1,2,3,4-tetrahydroisoquinoline, with an enantiomeric excess of 54%. The experimental process involved the reaction of (S)-2-Hydroxy-N-methyl-2-phenylacetamide(cas: 65645-88-7).Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide

The Article related to methylaminophenylethanol conversion isoquinoline derivative, isoquinoline derivative stereoselective synthesis, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Recommanded Product: (S)-2-Hydroxy-N-methyl-2-phenylacetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On March 10, 2016, Bergman, Ylva Elisabet; Lessene, Romina; Ganame, Danny; Foitzik, Richard Charles; Morrow, Benjamin Joseph; Camerino, Michelle Ang; Walker, Scott Raymond; Lagiakos, H. Rachel; Feutrill, John; Stupple, Paul Anthony published a patent.Safety of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione The title of the patent was Preparation of aminoindane-, aminotetrahydronaphthalene- and aminobenzocyclobutane-derived PRMT5 inhibitors. And the patent contained the following:

The invention relates to compounds of formula I, II and III as PRMT5-inhibitors; their preparation and use in the treatment of cancer and hemoglobinopathy. Compounds of formula I, II and III wherein n = 1 and 2; R is H and Me; R1 is halo and Me; R2a and R2b are independently F, H, Me and CH2OH; R2c and R2n are independently F, H, Me and CH2OH; R3a and R3b are independently H and Me; R4a is OH, NH2, CONH2 and CH2OH; R4b is H and Me; R5 is H and Me; A is (un)substituted Ph, (un)substituted naphthyl; and (un)substituted C5-12 heteroaryl, are claimed. Example compound IV was prepared by acylation of 1-amino-3-((2,3-dihydro-1H-inden-2-yl)amino)propan-2-ol with 4-chlorobenzoic acid. The invention compounds were evaluated for their PRMT5 inhibitory activity. From the assay, it was determined that example IV exhibited IC50 value of 0.792 μM. The experimental process involved the reaction of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione(cas: 5455-98-1).Safety of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione

The Article related to aminoindane aminotetrahydronaphthalene aminobenzocyclobutane preparation prmt5 inhibitor treatment cancer hemoglobinopathy, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Safety of 2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Kwon, Jae-Woo; Park, Hee-Won; Kim, Woo Jin; Kim, Man-Goo; Lee, Seung-Joon published an article in 2018, the title of the article was Exposure to volatile organic compounds and airway inflammation.Safety of 2-(4-Methylbenzamido)acetic acid And the article contains the following content:

Exposure to low levels of volatile organic compounds (VOCs) in ordinary life is suspected to be related to oxidative stress and decreased lung function. This study evaluated whether exposure to ambient VOCs in indoor air affects airway inflammation. Thirty-four subjects from the hospital that had moved to a new building were enrolled. Symptoms of sick building syndrome, pulmonary function tests, and fractional exhaled nitric oxide (FeNO) were evaluated, and random urine samples were collected 1 wk before and after the move. Urine samples were analyzed for VOC metabolites, oxidative stress biomarkers, and urinary leukotriene E4 (uLTE4) levels. The level of indoor VOCs in the new building was higher than that in the old building. Symptoms of eye dryness and eye irritation, as well as the level of a xylene metabolite (o-methylhippuric acid) increased after moving into the new building (p = 0.012, p = 0.008, and p < 0.0001, resp.). For the inflammatory markers, FeNO decreased (p = 0.012 and p = 0.04, resp.) and the uLTE4 level increased (p = 0.005) after the move. Exposure to a higher level of VOCs in everyday life could affect airway inflammation. The experimental process involved the reaction of 2-(4-Methylbenzamido)acetic acid(cas: 27115-50-0).Safety of 2-(4-Methylbenzamido)acetic acid

The Article related to volatile organic compound airway inflammation, inflammation, oxidative stress, sick building syndrome, spirometry, volatile organic compounds, Air Pollution and Industrial Hygiene: Air Pollutants and Air Pollution and other aspects.Safety of 2-(4-Methylbenzamido)acetic acid

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On October 7, 2021, Giroux, Simon; Nuhant, Philippe Marcel; Bandarage, Upul Keerthi; Garcia Barrantes, Pedro Manuel; Liao, Yusheng; Gale-Day, Zachary; Gu, Wenxin; Karns, Alexander S.; Zhang, Hu; Allen, Emily Elizabeth; Xu, Jinwang; Deninno, Michael Paul; Tang, Qing; Boucher, Diane Marie; Fanning, Lev T.D.; Hall, Amy B.; Hurley, Dennis James; Johnson, Mac Arthur, Jr.; Maxwell, John Patrick; Swett, Rebecca Jane; Tapley, Timothy Lewis; Thomson, Stephen A.; Damagnez, Veronique; Cottrell, Kevin Michael published a patent.Quality Control of 2-Fluoro-4-hydroxybenzamide The title of the patent was Preparation of 1H-pyrazolo[4,3-g]isoquinoline and 1H-pyrazolo[4,3-g]quinoline derivatives as alpha-1-antitrypsin modulators for treating alpha-1-antitrypsin deficiency. And the patent contained the following:

1H-pyrazolo[4,3-g]isoquinoline and 1H-pyrazolo[4,3-g]quinoline derivatives(I) as alpha-1-antitrypsin modulators for treating alpha-1-antitrypsin deficiency (AATD). Compounds I wherein Z1-Z3 each independently -N, -NH, or -CH; V1 and V2 are each selected from C and N; W1 and W2 are each selected from -C=O, -CR2, N, etc.; etc., are claimed. The example compound II was prepared via 4-steps synthesis using (4-chlorophenyl)boronic acid as starting material reacting with intermediate (also prepared)(procedure given). Compounds I were evaluated for alpha-1-antitrypsin modulating activity (data given). Compounds I can be used for the treatment of α1-antitrypsin deficiency. The experimental process involved the reaction of 2-Fluoro-4-hydroxybenzamide(cas: 1133122-96-9).Quality Control of 2-Fluoro-4-hydroxybenzamide

The Article related to pyrazoloquinoline preparation alpha1 antitrypsin deficiency treatment, pyrazoloisoquinoline preparation alpha1 antitrypsin modulator deficiency treatment, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Quality Control of 2-Fluoro-4-hydroxybenzamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On December 31, 2021, Vala, Anand; Parmar, Nirali; Soni, Jigar Y.; Kotturi, Sharadsrikar; Guduru, Ramakrishna published an article.HPLC of Formula: 102-07-8 The title of the article was 1,4,2-Dioxazol-5-ones as Isocyanate Equivalents: An Efficient Synthesis of 2-Quinolinones via β-Keto Amides. And the article contained the following:

Under thermal conditions, 1,4,2-dioxazol-5-ones were known to undergo decarboxylation followed by Lossen’s rearrangement to yield isocyanates. A safe and efficient method for the generation and capture of isocyanates to gave β-keto amides I [R1 = H, 3-Cl, 4-OMe; R2 = H, 4-Br, 4-F, etc.] was established. The β-keto amides I were efficiently converted into quinolin-2-ones II [R1 = H, 3-Cl, 4-OMe; R2 = H, 4-Br, 4-F, etc.] in good to excellent yields. Importantly, the method was transition metal-free and involved a simple two-step procedure that could be of interest to the pharmaceutical industry. The experimental process involved the reaction of 1,3-Diphenylurea(cas: 102-07-8).HPLC of Formula: 102-07-8

The Article related to quinolinone preparation, beta keto amide preparation polyphosphoric acid cyclization, dioxazolone acetophenone thermal degradation isocyanate in situ trapping, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.HPLC of Formula: 102-07-8

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

On November 20, 2012, Bappert, Erhard; De Vries, Andreas Hendrikus Maria; Domin, Doris; Helms, Matthias; Imboden, Christoph; Nazir, Zarghun; Skranc, Wolfgang; Spindler, Felix; Stanek, Michael; Tschebull, Wilhelm; Verzijl, Gerardus Karel Maria published a patent.Related Products of 65645-88-7 The title of the patent was Process for the preparation of an enantiomeric trisubstituted 3,4-dihydro-isoquinoline derivative. And the patent contained the following:

The present invention relates to a process for the preparation of the compound of formula (7) which process comprises the hydrogenation of the compound of formula (4) using bis[chloro-1,5-cyclooctadiene-iridium], (S)-i-dicyclohexylphosphino-2-[(S)-α-(dimethylamino)-2-(dicyclohexylphosphino)benzyl]-ferrocene as a catalyst. The experimental process involved the reaction of (S)-2-Hydroxy-N-methyl-2-phenylacetamide(cas: 65645-88-7).Related Products of 65645-88-7

The Article related to dihydroisoquinoline derivative hydrogenation iridium chiral ligand, tetrahydroisoquinoline derivative asym preparation, iridium chiral ligand asym hydrogenation catalyst, Heterocyclic Compounds (One Hetero Atom): Quinolines and Isoquinolines and other aspects.Related Products of 65645-88-7

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics