Month: November 2022

Abadleh, Mohammed M.’s team published research in Tetrahedron in 83 | CAS: 52431-30-8

Tetrahedron published new progress about 52431-30-8. 52431-30-8 belongs to bromides-buliding-blocks, auxiliary class Liquid Crystal &OLED Materials, name is 2,5-Dibromo-3,4-dinitrothiophene, and the molecular formula is C4Br2N2O4S, SDS of cas: 52431-30-8.

Abadleh, Mohammed M. published the artcileThiophene ring-opening reactions. Direct access to the synthesis of 1,3,4-thiadiazoline-(condenced) pyridone hybrids, SDS of cas: 52431-30-8, the publication is Tetrahedron (2021), 131957, database is CAplus.

The reaction of N’-(aryl)benzothiohydrazides with 2-chloro-7-cyclopropyl-3-nitro-4-oxothieno[2,3-b]pyridine-5-carboxylic ester/acid in the presence of triethylamine furnished, upon addition of iodomethane, the resp. 1,3,4-thiadiazoline-(6-methylthio-4-oxopyridine) hybrids. Interestingly, the reaction of thiohydrazides with 4-oxothieno[2,3-b]pyridines incorporating N1-(2′-halogeno-5′-nitrophenyl) entities generated 1,3-thiazoline ring embedded in the resulting [fused]-tricyclic products. Similarly, the N1-(2′-chloropyridin-3′-yl) analog produced the resp. thiazolo[3,2-a: 5,6-b’]dipyridine-thiadiazoline hybrid. Monocyclic 2-chloro-3-nitrothiophenes in their reaction with benzothiohydrazide formed notable thiophene ring-opening products. This behavior is verified by quantum mech. calculations A proposed mechanistic pathway for this new reaction involving preferential predominance of thiophene ring-opening over Smiles rearrangement is presented.

Tetrahedron published new progress about 52431-30-8. 52431-30-8 belongs to bromides-buliding-blocks, auxiliary class Liquid Crystal &OLED Materials, name is 2,5-Dibromo-3,4-dinitrothiophene, and the molecular formula is C4Br2N2O4S, SDS of cas: 52431-30-8.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Dankwardt, Sharon M.’s team published research in Bioorganic & Medicinal Chemistry Letters in 12 | CAS: 76283-09-5

Bioorganic & Medicinal Chemistry Letters published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C7H5Br2F, Name: 4-Bromo-1-(bromomethyl)-2-fluorobenzene.

Dankwardt, Sharon M. published the artcileAmino acid derived sulfonamide hydroxamates as inhibitors of procollagen C-Proteinase. Part 2: Solid-Phase optimization of side chains, Name: 4-Bromo-1-(bromomethyl)-2-fluorobenzene, the publication is Bioorganic & Medicinal Chemistry Letters (2002), 12(8), 1233-1235, database is CAplus and MEDLINE.

Optimization of the amino acid side chain and the N-alkyl group of the sulfonamide of amino acid derived sulfonamide hydroxamates is discussed. The solid-phase synthesis of these potent inhibitors (e.g., I) of procollagen C-proteinase (PCP) is presented. In addition, novel carboxylic acid sulfonamides were discovered to be PCP inhibitors.

Bioorganic & Medicinal Chemistry Letters published new progress about 76283-09-5. 76283-09-5 belongs to bromides-buliding-blocks, auxiliary class Fluoride,Bromide,Benzyl bromide,Benzene, name is 4-Bromo-1-(bromomethyl)-2-fluorobenzene, and the molecular formula is C7H5Br2F, Name: 4-Bromo-1-(bromomethyl)-2-fluorobenzene.

Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary

Harrison, Charles R.’s team published research in Journal of the Chemical Society [Section] C: Organic in 1966 | CAS: 10172-35-7

Journal of the Chemical Society [Section] C: Organic published new progress in CAplus about 10172-35-7, 10172-35-7 belongs to class bromides-buliding-blocks, name is 2-Bromo-4-methoxy-6-nitroaniline, and the molecular formula is C7H7BrN2O3, Category: bromides-buliding-blocks.

Harrison, Charles R. published the artcileBiphenylenes. XV. 3,7-Dimethyl- and 3,7-dimethoxy-1,5-dinitrobiphenylene, Category: bromides-buliding-blocks, the main research area is .

cf. preceding abstracts The compound produced by treatment of 3,4-dibromo-5-nitrotoluene with Cu bronze was shown to be 3,7-dimethyl-1,5-dinitrobiphenylene. The analogous 3,7-dimethoxybiphenylene was prepared similarly from 3,4-dibromo-5-nitroanisole. The dipole moment of the dimethyl-dinitrobiphenylene was ∼2.4 D. This unexpected result is discussed.

Journal of the Chemical Society [Section] C: Organic published new progress in CAplus about 10172-35-7, 10172-35-7 belongs to class bromides-buliding-blocks, name is 2-Bromo-4-methoxy-6-nitroaniline, and the molecular formula is C7H7BrN2O3, Category: bromides-buliding-blocks.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Constantine, P. R.’s team published research in Journal of the Chemical Society [Section] C: Organic in 1966 | CAS: 10172-35-7

Journal of the Chemical Society [Section] C: Organic published new progress in CAplus about 10172-35-7, 10172-35-7 belongs to class bromides-buliding-blocks, name is 2-Bromo-4-methoxy-6-nitroaniline, and the molecular formula is C7H7BrN2O3, Quality Control of 10172-35-7.

Constantine, P. R. published the artcileBiphenylenes. XIV. Synthesis of 1- and 2-phenyl-, 2,7-dimethyl-, and 2,3,6,7-tetramethylbiphenylene, Quality Control of 10172-35-7, the main research area is .

cf. CA 63, 13171f. 1- and 2-Phenylbiphenylene were prepared from 1- and 2-lithiobiphenylene, resp., by treatment with cyclohexanone followed by dehydration and dehydrogenation. 2-Phenylbiphenylene was also prepared by pyrolysis of 4- and 5-phenylbiphenylene-2,2′-iodonium iodide with Cu2O. One new synthesis of 2,7-dimethyl- and two new syntheses of 2,3,6,7-tetramethylbiphenylene were described. 17 references.

Journal of the Chemical Society [Section] C: Organic published new progress in CAplus about 10172-35-7, 10172-35-7 belongs to class bromides-buliding-blocks, name is 2-Bromo-4-methoxy-6-nitroaniline, and the molecular formula is C7H7BrN2O3, Quality Control of 10172-35-7.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Ramírez-Vélez, Robinson’s team published research in Journal of strength and conditioning research in 2020 | CAS: 34033-41-5

Journal of strength and conditioning research published new progress in MEDLINE about 34033-41-5, 34033-41-5 belongs to class bromides-buliding-blocks, name is 4-Bromo-2-chloro-6-nitroaniline, and the molecular formula is C6H4BrClN2O2, HPLC of Formula: 34033-41-5.

Ramírez-Vélez, Robinson published the artcileEffect of Moderate- Versus High-Intensity Interval Exercise Training on Heart Rate Variability Parameters in Inactive Latin-American Adults: A Randomized Clinical Trial., HPLC of Formula: 34033-41-5, the main research area is .

Ramírez-Vélez, R, Tordecilla-Sanders, A, Téllez-T, LA, Camelo-Prieto, D, Hernández-Quiñonez, PA, Correa-Bautista, JE, Garcia-Hermoso, A, Ramírez-Campillo, R, and Izquierdo, M. Effect of moderate- versus high-intensity interval exercise training on heart rate variability parameters in inactive Latin-American adults: a randomized clinical trial. J Strength Cond Res 34(12): 3403-3415, 2020-We investigated the effect of moderate versus high-intensity interval exercise training on the heart rate variability (HRV) indices in physically inactive adults. Twenty inactive adults were randomly allocated to receive either moderate-intensity training (MCT group) or high-intensity interval training (HIT group). The MCT group performed aerobic training at an intensity of 55-75%, which consisted of walking on a treadmill at 60-80% of the maximum heart rate (HRmax) until the expenditure of 300 kcal. The HIT group ran on a treadmill for 4 minutes at 85-95% peak HRmax and had a recovery of 4 minutes at 65% peak HRmax until the expenditure of 300 kcal. Supine resting HRV indices (time domain: SDNN = SD of normal-to-normal intervals; rMSSD = root mean square successive difference of R-R intervals and frequency domain: HFLn = high-frequency spectral power; LF = low-frequency spectral power and HF/LF ratio) were measured at baseline and 12 weeks thereafter. The SDNN changes were 3.4 (8.9) milliseconds in the MCT group and 29.1 (7.6) milliseconds in the HIT group {difference between groups 32.6 (95% confidence interval, 24.9 to 40.4 [p = 0.01])}. The LF/HFLn ratio changes were 0.19 (0.03) milliseconds in the MCT group and 0.13 (0.01) milliseconds in the HIT group (p between groups = 0.016). No significant group differences were observed for the rMSSD, HF, and LF parameters. In inactive adults, this study showed that a 12-week HIT training program could increase short-term HRV, mostly in vagally mediated indices such as SDNN and HF/LFLn ratio power. Trial registration. ClinicalTrials.gov NCT02738385 https://clinicaltrials.gov/ct2/show/NCT01796275, registered on March 23, 2016.

Journal of strength and conditioning research published new progress in MEDLINE about 34033-41-5, 34033-41-5 belongs to class bromides-buliding-blocks, name is 4-Bromo-2-chloro-6-nitroaniline, and the molecular formula is C6H4BrClN2O2, HPLC of Formula: 34033-41-5.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Ng, Cheng Yang’s team published research in Chemical Communications (Cambridge, United Kingdom) in 2017 | CAS: 56523-59-2

Chemical Communications (Cambridge, United Kingdom) published new progress about fluorogenic probe monitor cytosolic phospholipase A. 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Recommanded Product: 15-Bromopentadecanoic acid.

Ng, Cheng Yang published the artcileFluorogenic probes to monitor cytosolic phospholipase A2 activity, Recommanded Product: 15-Bromopentadecanoic acid, the main research area is fluorogenic probe monitor cytosolic phospholipase A.

Arachidonic acid derivatives equipped with either one or two fluorescent groups attached to the tip of the alkyl chains were synthesized and shown to function as inhibitor and substrate probes of cPLA2. The inhibitor probe was demonstrated to perform dual functions of inhibition and imaging while the substrate probe could be used for activity assay.

Chemical Communications (Cambridge, United Kingdom) published new progress about fluorogenic probe monitor cytosolic phospholipase A. 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Recommanded Product: 15-Bromopentadecanoic acid.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Baumgarth, Manfred’s team published research in European Journal of Organic Chemistry in 2000-06-30 | CAS: 452-63-1

European Journal of Organic Chemistry published new progress about eniporide preparation. 452-63-1 belongs to class bromides-buliding-blocks, name is 1-Bromo-4-fluoro-2-methylbenzene, and the molecular formula is C7H6BrF, Computed Properties of 452-63-1.

Baumgarth, Manfred published the artcileA concise and efficient synthesis of [2-methyl-5-methylsulfonyl-4-(pyrrol-1-yl)benzoyl]guanidinium methanesulfonate (eniporide), Computed Properties of 452-63-1, the main research area is eniporide preparation.

A new synthesis of the benzoylguanidine-type Na+/H+ antiporter inhibitor eniporide is described. Starting from 2-bromo-5-fluorotoluene, aromatic substituents were introduced by methanesulfonylation, Pd-catalyzed carboxylation with CO, and halogen-pyrrole exchange. Guanidine acylation was performed using Mukaiyama’s procedure.

European Journal of Organic Chemistry published new progress about eniporide preparation. 452-63-1 belongs to class bromides-buliding-blocks, name is 1-Bromo-4-fluoro-2-methylbenzene, and the molecular formula is C7H6BrF, Computed Properties of 452-63-1.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Choi, P.’s team published research in Tetrahedron Letters in 1982-01-01 | CAS: 23432-94-2

Tetrahedron Letters published new progress about azidophenyloxadiazole preparation thermal decomposition; oxadiazole azido phenyl preparation pyrolysis; benzoyl cyanide. 23432-94-2 belongs to class bromides-buliding-blocks, name is 3-Bromo-5-phenyl-1,2,4-oxadiazole, and the molecular formula is C8H5BrN2O, Recommanded Product: 3-Bromo-5-phenyl-1,2,4-oxadiazole.

Choi, P. published the artcileConversion of 3-azido-5-phenyl-1,2,4-oxadiazole into benzoyl cyanide; a new thermal fragmentation, Recommanded Product: 3-Bromo-5-phenyl-1,2,4-oxadiazole, the main research area is azidophenyloxadiazole preparation thermal decomposition; oxadiazole azido phenyl preparation pyrolysis; benzoyl cyanide.

Flash vacuum pyrolysis at 550° of the title azide (I), prepared in 50% yield by heating the corresponding 3-bromo compound with KN3/18-crown-6 or LiN3 in anhydrous THF at 90°, gave 70% PhCOCN. The transformation is explained by conversion of the azide into its tetrazole tautomer and thence to a pentaazafulvene (II) by N-O bond cleavage. Loss of N2 gives BzNC which rearranges to PhCOCN.

Tetrahedron Letters published new progress about azidophenyloxadiazole preparation thermal decomposition; oxadiazole azido phenyl preparation pyrolysis; benzoyl cyanide. 23432-94-2 belongs to class bromides-buliding-blocks, name is 3-Bromo-5-phenyl-1,2,4-oxadiazole, and the molecular formula is C8H5BrN2O, Recommanded Product: 3-Bromo-5-phenyl-1,2,4-oxadiazole.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Wang, Fan’s team published research in Organic Process Research & Development in 2013-11-15 | CAS: 172900-69-5

Organic Process Research & Development published new progress about aliskiren intermediate preparation; aminomethoxymethoxypropoxybenzylmethylhexanoic acid preparation; lhexanoic acid aminomethoxymethoxypropoxybenzylmethyl preparation. 172900-69-5 belongs to class bromides-buliding-blocks, name is 2-(3-Methoxypropoxy)-4-((R)-2-(bromomethyl)-3-methylbutyl)-1-methoxybenzene, and the molecular formula is C17H27BrO3, Computed Properties of 172900-69-5.

Wang, Fan published the artcileAn Improved and Economical Process for the Manufacture of the Key Intermediate of Aliskiren, a New Potent Renin Inhibitor, Computed Properties of 172900-69-5, the main research area is aliskiren intermediate preparation; aminomethoxymethoxypropoxybenzylmethylhexanoic acid preparation; lhexanoic acid aminomethoxymethoxypropoxybenzylmethyl preparation.

An improved, practical, economical and efficient process for the production of (2S,4S)-2-amino-4-(4-methoxy-3-(3-methoxypropoxy)benzyl)-5-methylhexanoic acid, a key intermediate of the new potent renin inhibitor of aliskiren, in a total yield over 30% is described. This process avoids expensive reagents and chromatog. purifications, and is easily scaled up in industry.

Organic Process Research & Development published new progress about aliskiren intermediate preparation; aminomethoxymethoxypropoxybenzylmethylhexanoic acid preparation; lhexanoic acid aminomethoxymethoxypropoxybenzylmethyl preparation. 172900-69-5 belongs to class bromides-buliding-blocks, name is 2-(3-Methoxypropoxy)-4-((R)-2-(bromomethyl)-3-methylbutyl)-1-methoxybenzene, and the molecular formula is C17H27BrO3, Computed Properties of 172900-69-5.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Satpati, Drishty’s team published research in Cancer Biotherapy and Radiopharmaceuticals in 2009 | CAS: 56523-59-2

Cancer Biotherapy and Radiopharmaceuticals published new progress about Blood. 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Application of 15-Bromopentadecanoic acid.

Satpati, Drishty published the artcilePreparation and Evaluation of 99mTc(CO)3-Labeled Pentadecanoic Acid Derivative and Its Suspension in Lipiodol, Application of 15-Bromopentadecanoic acid, the main research area is bromopentadecanoic acid lipiodol stability.

Transarterial embolization by the intra-arterial administration of 131I-lipiodol is a modality used in the treatment of liver cancer. Long-chain fatty acids, being highly lipophilic, are also known to localize in the liver, thus constituting favorable vectors for this modality of treatment. Toward this, we envisaged the derivatization of 15-bromopentadecanoic acid, rendering it suitable for incorporation of a tridentate chelating moiety, for radiolabeling with the [99mTc(CO)3(H2O)3]+ precursor. The complex prepared, being lipophilic, was expected to behave as a lipiodol surrogate. The radiolabeled complex could be obtained in >95% radiochem. yield, as characterized by high-performance liquid chromatog. The i.v. injection of the radiolabeled complex in mice resulted in 23.5% ± 4.3% uptake of injected dose (ID) organ in the liver at 3 h postinjection. However, the uptake of the lipiodol suspension of the complex at 3 h postinjection in the liver was found to be 43.8 ± 13.4% ID/organ, when injected via the portal vein.

Cancer Biotherapy and Radiopharmaceuticals published new progress about Blood. 56523-59-2 belongs to class bromides-buliding-blocks, name is 15-Bromopentadecanoic acid, and the molecular formula is C15H29BrO2, Application of 15-Bromopentadecanoic acid.

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary