Tag: 100-200

Pierce, Cason; Keniston, Angela; Albert, Richard K published an article in 2019, the title of the article was Imaging in Acute Pyelonephritis: Utilization, Findings, and Effect on Management..Electric Literature of 78-26-2 And the article contains the following content:

OBJECTIVES: To determine the frequency, timing, and types of imaging obtained in patients with a discharge diagnosis of acute pyelonephritis, and how often imaging findings affect therapy. METHODS: This was a retrospective chart review of 1062 adults with a diagnosis of acute pyelonephritis discharged from an urban, safety-net hospital between January 1, 2008 and December 31, 2012. From the 739 patients selected after exclusions, we determined the number and proportion of patients imaged within the first 24 hours of admission, stratified by risk factors for pyelonephritis complications, and the frequency of positive findings leading to invasive interventions. RESULTS: Of 739 patients, 468 (63%) were imaged within 24 hours of admission, 262/414 (63%) of whom had risk factors for complications and 206/325 of whom (63%) did not. Among these, studies were positive in 117/468 (25%), 78/262 (30%) in those with risk factors, and 39/206 (19%) of those without risk factors. Of the 117 patients with positive imaging findings within 24 hours of admission, 58 (50%) underwent invasive procedures, 47 (60%) with risk factors and 11 (28%) without. Among all of the patients, interventions were directed at relieving obstructions much more commonly than treating abscess (51 patients vs 8). CONCLUSIONS: Among this population, imaging is frequently done earlier than recommended. Because the majority of interventions targeted stone disease, ultrasound may be the preferred initial modality rather than contrasted tomography when obtaining imaging early. Current guidelines may need to be revisited. The experimental process involved the reaction of 2-Methyl-2-propylpropane-1,3-diol(cas: 78-26-2).Electric Literature of 78-26-2

The Article related to acute disease, adolescent, adult, aged, aged, 80 and over, disease management, emergency service, hospital, female, hospitalization: statistics & numerical data, humans, male, middle aged, pyelonephritis: diagnosis, pyelonephritis: therapy, retrospective studies, risk factors, tomography, x-ray computed: statistics & numerical data and other aspects.Electric Literature of 78-26-2

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On February 3, 2015, Katsargyris, A; Ritter, W; Pedraza, M; Moehner, B; Bruck, M; Verhoeven, E L published an article.Name: 2-Methyl-2-propylpropane-1,3-diol The title of the article was Percutaneous endovascular thrombosuction for acute lower limb ischemia: a 5-year single center experience.. And the article contained the following:

AIM: The aim of this paper was to report a 5-year single center experience with the use of percutaneous endovascular thrombosuction (PET) for acute lower limb ischemia (ALLI). METHODS: All patients that underwent PET for ALLI within the period January 2009-December 2013 in our institution were included. Data were collected retrospectively. RESULTS: A total of 262 patients (132 female, mean age 74.5卤11 years) were treated. Level of severity of ALLI preoperatively was stratified as class I (viable) in 76% (199/262) of patients, class IIa (threatened marginally) in 19.4% (51/262), and class IIb (threatened immediately) in 4.6% (12/262). Initial technical success was 91% (237/262). Additional PTA was performed in 29.8% (78/262) of patients, and PTA with stenting in 27.5% (72/262). Open surgery due to technical failure of PET was required in 4.2% (11/262) of patients. Thirty-day mortality was 4.6% (12/262). Perioperative complications occurred in 9.2% (24/262). Thirty-day amputation rate was 3.8% (10/262). The mean duration of follow-up was 26.2卤16 months. Estimated cumulative survival was 84.2卤2.5% at 1 year, and 73.7卤3.6% at 3 years. Estimated freedom from amputation during follow-up was 92.4卤1.8% at 1 year, and 91.2卤2% at 3 years. Estimated freedom from reintervention was 90.4卤2% at 1 year, and 80卤3.7% at 3 years. CONCLUSION: PET in selected patients with ALLI provides high initial technical success, low mortality and morbidity rates, and favorable early and mid-term limb salvage rates. The experimental process involved the reaction of 2-Methyl-2-propylpropane-1,3-diol(cas: 78-26-2).Name: 2-Methyl-2-propylpropane-1,3-diol

The Article related to aged, aged, 80 and over, amputation, disease-free survival, endovascular procedures: adverse effects, endovascular procedures: methods, endovascular procedures: mortality, female, germany: geographic, humans, ischemia: diagnosis, ischemia: mortality, ischemia: therapy, kaplan-meier estimate, limb salvage and other aspects.Name: 2-Methyl-2-propylpropane-1,3-diol

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Merlani, M.; Barbakadze, V.; Amiranashvili, L.; Gogilashvili, L.; Petrou, A.; Geronikaki, A.; Ciric, A.; Glamoclija, J.; Sokovic, M. published an article in 2022, the title of the article was Caffeic and 3-(3,4-dihydroxyphenyl)glyceric acid derivatives as antimicrobial agent: biological evaluation and molecular docking studies.Category: alcohols-buliding-blocks And the article contains the following content:

Herein we report the evaluation of the antimicrobial activity of some previously synthesized 3-(3,4-dihydroxyphenyl)glyceric acid in benzylated and in free 3,4 hydroxy groups in catechol moiety along with some caffeic and 3-(3,4-dihydroxyphenyl)glyceric acid amides using the microdilution method. The evaluation revealed that compounds showed in general moderate to low activity with MIC in range of 0.36-4.5 mg/mL. Compounds were also studied against three resistant bacteria strains MRSA (Methicillin-resistant Staphylococcus aureus), E. coli and P. aeruginosa. Seven out of ten compounds were more potent than reference drugs ampicillin and streptomycin against MRSA, while against another two resistant strains seven compounds showed low activity and the rest were inactive. Antifungal activity of the tested compounds was much better than antibacterial, with MIC in the range of 0.019-3.0 mg/mL. Compounds #7 and 15 showed good activity against all fungi tested, being more potent than ketoconazole and in some case even better than bifonazole used as reference drugs. Docking studies revealed that the most active compound #7 binds to the haem group of the enzyme in the same way as ketoconazole. The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Category: alcohols-buliding-blocks

The Article related to anti-bacterial agents: pharmacology, anti-infective agents, escherichia coli, glyceric acids, ketoconazole, methicillin-resistant staphylococcus aureus, microbial sensitivity tests, molecular docking simulation, quantitative structure-activity relationship, structure-activity relationship and other aspects.Category: alcohols-buliding-blocks

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On July 31, 2022, Chen, Zhou; Fei, Kangqing; Hu, Yangfan; Xu, Xiangyang; Gao, Xiao-Dong; Li, Zijie published an article.Application In Synthesis of 2,3-Dihydroxypropanoic acid The title of the article was Identification of a Novel Alditol Oxidase from Thermopolyspora flexuosa with Potential Application in D-Glyceric Acid Production. And the article contained the following:

Abstract: Glycerol is a potential sustainable feedstock, and biorefining processes to convert glycerol into value-added chems. have been developed over the past decade. Alditol oxidase (AldO) is capable of selectively oxidizing the primary hydroxyl groups of alditols such as glycerol. In this study, a new FAD-binding protein from Thermopolyspora flexuosa was expressed and identified as a novel alditol oxidase (AldOT.聽fle). AldOT.聽fle displayed the optimal activity at pH 8.0 and 25 掳C. AldOT.聽fle was not metal-dependent, but the activity was completely inhibited by Fe3+. AldOT.聽fle had a wide substrate specificity and high catalytic efficiency for glycerol. Furthermore, the recombinant AldOT.聽fle could produce D-glyceric acid from glycerol with a conversion rate ranging from 86.6% (5 mM glycerol) to 20.5% (500 mM glycerol). The recombinant E. coli with AldOT.聽fle could also produce 23.8 mM D-glyceric acid from 100 mM glycerol. The recombinant AldOT.聽fle had the potential to produce other aldehyde products by selectively oxidizing the hydroxyl groups of alditols and many other commodity chems. by redesigning glycerol metabolism The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Application In Synthesis of 2,3-Dihydroxypropanoic acid

The Article related to alditol oxidase, d-glyceric acid, glycerol, actinobacteria, escherichia coli: genetics, escherichia coli: metabolism, glyceric acids, glycerol: metabolism, oxidoreductases: genetics, sugar alcohols and other aspects.Application In Synthesis of 2,3-Dihydroxypropanoic acid

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Gelbard, Georges; Rumpf, Paul published an article in 1969, the title of the article was N-Alkylated diethylenetriamines and triethylenetetramines.Electric Literature of 2160-93-2 And the article contains the following content:

The synthesis of polyamines H2N(CH2)2(NHCH2CH2)nNH2 selectively alkylated on the terminal NH2 group by reductive alkylation with ketones. With diethylenetriamine good yields of 1,7-dialkylated polyamines were obtained. Also, 1,10-dialkylated polyamines were obtained with triethylenetetramine. With excess NH3, the yield of dialkylated product decreased in favor of monoalkylated polyamines. The experimental process involved the reaction of 2,2′-(tert-Butylazanediyl)diethanol(cas: 2160-93-2).Electric Literature of 2160-93-2

2,2′-(tert-Butylazanediyl)diethanol(cas:2160-93-2) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Electric Literature of 2160-93-2

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On July 16, 2021, Mizenko, Christopher; Bennett, Jeffrey L; Owens, Gregory; Vollmer, Timothy L; Piquet, Amanda L published an article.Recommanded Product: 2-Methyl-2-propylpropane-1,3-diol The title of the article was A Longitudinal, Observational Analysis of Neuronal Injury Biomarkers in a Case Report of a Patient With Paraneoplastic Anti-CRMP5 Antibody-Associated Transverse Myelitis.. And the article contained the following:

Biomarkers are needed to guide therapeutic decision making in autoimmune and paraneoplastic neurologic disorders. Here, we describe a case of paraneoplastic collapsing response-mediator protein-5 (CRMP5)-associated transverse myelitis (TM) where plasma neurofilament light (NfL) chain and glial fibrillary protein (GFAP) levels were observed over a 14-month clinical course, correlating with radiographical and clinical outcome measures in response to treatment. Blood and CSF samples obtained at diagnosis as well as 7 and 14 months into treatment. At the time of initial diagnosis, both plasma NfL (782.62 pg/ml) and GFAP (283.26 pg/ml) were significantly elevated. Initial treatment was with IV steroids and plasma exchange (PLEX) followed by neuroendocrine tumor removal, chemotherapy, and radiation. After initial improvement with chemotherapy, the patient experienced clinical worsening and transient elevation of plasma NfL (103.27 pg/ml and GFAP (211.58 pg/ml) levels. Whole body positron emission tomography PET scan did not demonstrate recurrence of malignancy. Repeat PLEX and rituximab induction resulted in improvements in patient function, neurologic exam, and plasma biomarker levels. To our knowledge, this is the first described longitudinal, prospective analysis of neuronal injury biomarkers and association of clinical treatment outcomes in CRMP5 myelitis. Our findings suggest that clinical improvement correlates with NfL and GFAP concentrations. The experimental process involved the reaction of 2-Methyl-2-propylpropane-1,3-diol(cas: 78-26-2).Recommanded Product: 2-Methyl-2-propylpropane-1,3-diol

2-Methyl-2-propylpropane-1,3-diol(cas:78-26-2) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Recommanded Product: 2-Methyl-2-propylpropane-1,3-diol

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On December 31, 2022, An, Zhe; Zhang, Zilong; Huang, Zeyu; Han, Hongbo; Song, Binbin; Zhang, Jian; Ping, Qi; Zhu, Yanru; Song, Hongyan; Wang, Bin; Zheng, Lirong; He, Jing published an article.Related Products of 473-81-4 The title of the article was Pt1 enhanced C-H activation synergistic with Ptn catalysis for glycerol cascade oxidation to glyceric acid. And the article contained the following:

Abstract: The selective oxidation of glycerol to glyceric acid, an important value-added reaction from polyols, is a typical cascade catalytic process. It is still of great challenge to simultaneously achieve high glycerol activity and glyceric acid selectivity, suffering from either deep oxidation and C-C cleavage or poor oxidation efficiency from glyceraldehyde to glyceric acid. Herein, this work, inspired by nature, proposes a cascade synergistic catalysis strategy by at. and low-coordinated cluster Pt on well-defined Cu-CuZrOx, which involves enhanced C-H activation on at. Pt1 and O-H activation on cluster Ptn in the oxidation of glycerol to glyceraldehyde, and cluster Ptn for C=O activation followed by O-H insertion and at. Pt1 for C-H activation in the tandem oxidation of glyceraldehyde to glyceric acid. The enhanced C-H activation in the cascade process by at. Pt1 is revealed to be essential for the high glycerol activity (90.0卤0.1%) and the glyceric acid selectivity (80.2卤0.2%). The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Related Products of 473-81-4

2,3-Dihydroxypropanoic acid(cas:473-81-4) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Related Products of 473-81-4

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Alcohol – Wikipedia,
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Psarras, Theodore G.; Zimmerman, Howard K. Jr.; Rasiel, Yecheskel; Weidmann, Hans published an article in 1962, the title of the article was Amino alcohol esters of hydroxy boranes. VI. diptych-Boroxazolidines.Related Products of 2160-93-2 And the article contains the following content:

cf. CA 56, 12915d. The rates of hydrolysis (results tabulated) of the N 鈫?B bonds of 12 diptyvh-boroxazolidines (I) in 90% Me2CO were determined The results indicated that the rates of hydrolysis were chiefly a function of the size of the substituents on the N atom and that the substituents on the ester C atom exerted only a secondary effect. The new I were prepared by azeotropic estcrification of the appropriate amino alc. with phenyldihydroxyborane anhydride. The mol. weights (determined by the Rast method) confirmed the monomeric character of the I with exception of the diptych-boroxazolidine of RN(CH2CH2OH)2 (II) (R = H), which was dimeric (mol. weight 379). The following newly prepared I were reported (amino alc. used, % yield, and m.p. given): PhCH2N(CH2CH2OH)2, 91, 196.5掳 (C6H6); tert-BuN(CH2CH2OH)2, 81, 189掳 (MeCN); HN(CH2CHMeOH)2, 100, 251-2掳 (C6H6); [(HOCH2CH2)2NCH2]2, 86, 204掳 (MeCN); (HOCHMeCH2)2NCH2CH2N(CH2CHMeOH)CH2CH2OH, 100, 280掳 (decomposition) (MeCN); [(HOCH-MeCH2)2NCH2]2, 94, 302掳 (decomposition) (MeCN); [(HOCHEtCH2)2NCH2]2, 66, 277掳 (EtOAc). The following I were also investigated (amino alc. given): II (R = H); II [R = Me); II (R = Et); II (R = Bu); II (.R = iso-Pr). The experimental process involved the reaction of 2,2′-(tert-Butylazanediyl)diethanol(cas: 2160-93-2).Related Products of 2160-93-2

2,2′-(tert-Butylazanediyl)diethanol(cas:2160-93-2) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Related Products of 2160-93-2

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Ishidate, Morizo; Sakurai, Yoshio; Aiko, Isao published an article in 1960, the title of the article was Cancerocidal substances. XXVI. Preparation of bis(2-chloroethyl)amine derivatives and related N-oxides.COA of Formula: C8H19NO2 And the article contains the following content:

Fourteen new RN(CH2CH2Cl)2 (I) and 6 of their N-oxides were prepared and tested for their in vivo and in vitro antitumor activity against the Yoshida sarcoma. The methods used were previously described (CA 49, 8304h). The intermediate RN(CH2CH2OH)2 (II) were prepared by either method A, [RX + HN(CH2CH2OH)2], or method B, (RNH2 + 2CH2.CH2O) (R, method used, phys. constants of II or its derivatives given): tert-Bu, B, b8 132-5掳; C12H25, A or B, b4 200-10掳; 2-(10-phenothiazinyl)ethyl (III), A, b0.02 250-60掳; 9-camphoryl (IV), B, HCl salt m. 218-20掳 (decomposition), picrate m. 116-19掳; MeOCH2CH2, A, b4 133-40掳; BuOCH2CH2, A, b7 154-60掳; PhOCH2CH2, A, b4 200-10掳; (MeO)2CHCH2, A, b4 127-33掳, b5 165-9掳; (EtO)2CHCH2, A, b4 138-42掳, b4 161-5掳; and (BuO)2CHCH2, A, b4 175-6掳. II were chlorinated without further purification to give I, which were oxidized to the corresponding N-oxides in 6 cases (R, phys. constants of I or its derivatives given): tert-Bu (30% yield), HCl salt m. 178-9掳, N-oxide (48%) picrate m. 95-6掳, and HCl salt m. 89掳; C6H13, b7.5 125-9掳, HCl salt m. 78-82掳; C12H25, picrylsulfonate m. 92-3掳; III, HCl salt m. 96-8掳; IV, HCl salt m. 218-20掳 (decomposition), [伪]23D -60.6掳 (c 1.58, H2O), N-oxide HCl salt m. 178-80掳 (decomposition); MeOCH2CH2, HCl salt m. 130掳, N-oxide HCl salt m. 109-11掳 and picrate m. 89-90掳; BuOCH2CH2, HCl salt m. 126-7掳, N-oxide HCl salt m. 75-6掳, and picrate m. 81-2掳; PhOCH2CH2, HCl salt m. 150-1掳, picrate m. 117-18掳, N-oxide HCl salt m. 173-4掳 (decomposition) and picrate m. 126-7掳; (MeO)2CHCH2, HCl salt m. 129-30掳, N-oxide HCl salt m. 110掳 and picrate m. 89-90掳; (EtO)2CHCH2, HCl salt m. 132-3掳; and (BuO)2CHCH2, b3 111-13掳, HCl salt m. 121-2掳. The 3 remaining compounds of this series were: the N-oxide of I (R = EtOCH2CH2), which had been previously prepared (loc. cit.); I (R = OHCCH2) (picrate m. 131掳), prepared by hydrolysis of I [R = (MeO)2CHCH2] by heating it 5 hrs. at 80掳 with 20% HCl; and I (R = AcCH2CH2) (picrate m. 113-15掳), prepared by warming 1.5 hrs. at 40-5掳 41 g. HCl salt of I (R = H) with 23 cc. 30% HCHO, and 95 cc. Me2CO. The 9-aminocamphor (m. 172掳; HCl salt m. 334掳 (decomposition); toluenesulfonamide m. 182掳) for the preparation of II (R = IV) was prepared in 70 g. yield by the catalytic hydrogenation (Raney Ni) of a mixture of 71 g. 9-oxocamphor oxime and 100 g. liquid NH3 in 300 cc. EtOH. The results of tests of these 20 compounds for biol. activity and toxicity were reported and discussed. A few were very effective against Yoshida sarcoma. The experimental process involved the reaction of 2,2′-(tert-Butylazanediyl)diethanol(cas: 2160-93-2).COA of Formula: C8H19NO2

2,2′-(tert-Butylazanediyl)diethanol(cas:2160-93-2) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. COA of Formula: C8H19NO2

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Zimmerman, Howard K. Jr.; Cosmatos, Alexandros published an article in 1962, the title of the article was Migration of amino alcohols on paper.Name: 2,2′-(tert-Butylazanediyl)diethanol And the article contains the following content:

Rf values are tabulated for 69 amino alcs. on Whatman Number 1 paper with the following solvent systems: 77:6:17 BuOH:AcOH:H2O, BuOH saturated with 0.1% NH4OH, and 42:25:25:8 C5H5N:EtOAc:H2O:AcOH. Variations in migration rates with structural characteristics of the alcs. are briefly discussed. The experimental process involved the reaction of 2,2′-(tert-Butylazanediyl)diethanol(cas: 2160-93-2).Name: 2,2′-(tert-Butylazanediyl)diethanol

2,2′-(tert-Butylazanediyl)diethanol(cas:2160-93-2) belongs to alcohols. In general, the hydroxyl group makes alcohols polar. Those groups can form hydrogen bonds to one another and to most other compounds. Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Name: 2,2′-(tert-Butylazanediyl)diethanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts