Tag: M.W:100-200

Application In Synthesis of 2-Amino-5-methylphenol, New discoveries in chemical research and development in 2021.The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 2835-98-5, Name is 2-Amino-5-methylphenol, SMILES is OC1=CC(C)=CC=C1N, molecular formula is C7H9NO, belongs to thiomorpholine compound. In an article, author is Diao, Peng-Cheng, introduce new discover of the category.

Based on our previous screening hit compound 1, a series of novel indole-pyrimidine hybrids possessing morpholine or thiomorpholine moiety were synthesized via an efficient one-pot multistep synthetic method. The antiproliferative activities of the synthesized compounds were evaluated in vitro against four cancer cell lines including HeLa, MDA-MB-231, MCF-7, and HCT116. The results revealed that most compounds possessed moderate to excellent potency. The IC50 values of the most promising compound 15 are 0.29, 4.04, and 9.48 mu M against MCF-7, HeLa, and HCI116 cell lines, respectively, which are 48.0, 4.9, and 1.8 folds more active than the lead compound 1. Moreover, fluorescence-activated cell sorting analysis revealed that compound 14 showing the highest activity against HeLa (IC50 = 2.51 mu M) displayed a significant effect on G(2)/M cell-cycle arrest in a concentration-dependent manner in HeLa cell line. In addition, representative nine active hybrids were evaluated for tubulin polymerization inhibitory activities, and compound 15 exhibited the most potent anti-tubulin activity showing 42% inhibition at 10 mu M. These preliminary results encourage a further investigation on indole-pyrimidine hybrids for the development of potent anticancer agents that inhibit tubulin polymerization. (C) 2017 Elsevier Masson SAS. All rights reserved.

The design and synthesis of related molecules that are more effective, more selective, and less toxic than aspirin are important objectives of biomedical research. You can also check out more blogs about 2835-98-5. Application In Synthesis of 2-Amino-5-methylphenol.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New discoveries in chemical research and development in 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. In an article, author is Hanif, Muhammad, once mentioned the application of 446-32-2, Name is 2-Amino-4-fluorobenzoic acid, molecular formula is C7H6FNO2, molecular weight is 155.13, MDL number is MFCD00075553, category is thiomorpholine. Now introduce a scientific discovery about this category, Product Details of 446-32-2.

Hydroxypyr(id) ones constitute an emerging platform for the design of drug molecules, owing to their favorable biocompatibility and toxicity profiles. Herein, [Ru-II(eta(6)-p-cymene)] complexes with 3-hydroxy-2-pyridinone functionalized with morpholine and thiomorpholine, as a means often used in medicinal chemistry to alter the physicochemical properties of drug compounds, are reported. The compounds underwent hydrolysis of the Ru-Cl bond and the aqua species were stable for up to 48 h in aqueous solution, as observed by H-1 NMR spectroscopy and ESI-MS. The compounds formed adducts with amino acids and proteins through cleavage of the pyridinone ligand. Binding experiments to the nucleosome core particle by means of X-ray crystallography revealed similar reactivity and exclusive binding to histidine moieties of the histone proteins. Preliminary cyclin-dependent kinase 2 (CDK2)/cyclin A kinase inhibitory studies revealed promising activity similar to that of structurally related organometallic compounds.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New Advances in Chemical Research, May 2021. The prevalence of solvent effects has motivated developing quantitative kinetic, and theoretical assessments of solvent structures and their interactions with reaction intermediates. In an article, author is Marvadi, Sandeep Kumar, once mentioned the application of 6836-19-7, Name is 7-Methoxy-1-tetralone, molecular formula is C11H12O2, molecular weight is 176.21, MDL number is MFCD00001696, category is thiomorpholine. Now introduce a scientific discovery about this category, Application of 6836-19-7.

We, herein, describe the synthesis of a series of novel aryl tethered 7,8-dihydroquinolin-5(6H)-ylidenehydrazinecarbothioamides 4a-v, which showed in vitro and in vivo antimycobacterial activity against Mycobacterium tuberculosis (Mtb) H37Rv. The intermediates dihydro-6H-quinolin-5-ones 3a-v were synthesized from beta-enaminones, reacting with cyclochexane-1,3-dione/5,5-dimethylcyclohexane-1,3-dione and ammonium acetate using a modified Bohlmann-Rahtz reaction conditions. They were further reacted with thiosemicarbazide to give the respective hydrazine carbothioamides 4a-v. All the new analogues 4a-v, were characterized by their NMR and mass spectral data analysis. Among the twenty-two compounds screened for in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Rv (ATCC27294), two compounds, 4e and 4j, exhibited the highest inhibition with an MIC of 0.39 mu g/mL. Compounds 4a, 4g, and 4k were found to inhibit Mtb at an MIC of 0.78 mu g/mL. Hydrazinecarbothioamides 4a-k, exhibited enhanced activity than dihydroquinolinones 3a-k. The observed increase in potency provides a clear evidence that hydrazinecarbothioamide is a potential pharmacophore, collectively imparting synergistic effect in enhancing antitubercular activity of the dihydroquinolinone core. The in vivo (Zebra fish) antimycobacterial screening of the in vitro active molecules led to the identification of a hit compound, 4j, with significant activity in the Mtb nutrient starvation model (2.2-fold reduction). Docking studies of 4j showed a hydrogen bond with the P156 residue of the protein.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Reference of 2579-22-8, New discoveries in chemical research and development in 2021.The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 2579-22-8, Name is 3-Phenylpropiolaldehyde, SMILES is C1=C(C=CC=C1)C#CC=O, molecular formula is C9H6O, belongs to thiomorpholine compound. In an article, author is Besse, P, introduce new discover of the category.

A strain of Mycobacterium sp. RP1 was isolated from a contaminated activated sludge. It was capable of utilizing morpholine, a waste of chemical industry, as sole source of carbon, nitrogen and energy. The kinetic of biodegradation of morpholine was followed directly on the incubation medium using in situ H-1 NMR. This technic allowed to identify two intermediates of the degradative pathway: glycolate and 2-(2-aminoethoxy)acetate. The inhibitory effects of metyrapone on the degradative abilities of the strain RP1 indicated the involvement of a cytochrome P450. This observation was confirmed by spectrophotometric analysis and H-1 NMR. Metyrapol, a known metabolite of metyrapone, was also found to be an inhibitor. The same study of degradation of thiomorpholine showed the formation of sulfoxide, which confirmed the presence of a cytochrome P450. (C) 1998 Elsevier Science B.V. All rights reserved.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process., Formula: https://www.ambeed.com/products/446-32-2.html, 446-32-2, Name is 2-Amino-4-fluorobenzoic acid, molecular formula is C7H6FNO2, belongs to thiomorpholine compound. In a document, author is Britton, D, introduce the new discover.

In the polymeric 3/1 complex of copper(I) cyanide and thiomorpholine, 3CuCN . C(4)H(9)NS or [Cu(3)(CN)(3)(C(4)H(9)NS)](n), the CuCN forms two-dimensional sheets, which are held together by the thiomorpholine. Each thiomorpholine molecule bonds to three different sheets.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process., Synthetic Route of 21436-98-6, 21436-98-6, Name is 2,6-Dimethylaniline hydrochloride, molecular formula is C8H12ClN, belongs to thiomorpholine compound. In a document, author is Kralova, Petra, introduce the new discover.

Herein we report the polymer-supported synthesis of 3,4-dihydro-2H-1,4-oxazine-3-carboxylic acid derivatives using immobilized Fmoc-Ser(tBu)-OH and Fmoc-Thr(tBu)-OH as the starting materials. After the solid-phase-synthesis of N-alkyl-N-sulfonyl/acyl intermediates, the target dihydrooxazines were obtained using trifluoroacetic acid-mediated cleavage from the resin. This approach was also studied for the preparation of dihydrothiazines from immobilized Fmoc-Cys(Trt)-OH. Inclusion of triethylsilane in the cleavage cocktail resulted in the stereoselective formation of the corresponding morpholine/thiomorpholine-3-carboxylic acids. Stereochemical studies revealed the specific configuration of the newly formed stereocenter and also the formation of stable N-acylmorpholine rotamers.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Electric Literature of 98-03-3, New discoveries in chemical research and development in 2021.Chemistry can be defined as the study of matter and the changes it undergoes. 98-03-3, Name is Thiophene-2-aldehyde, SMILES is C1=C(SC=C1)C=O, belongs to thiomorpholine compound. In a article, author is Efimenko, I. A., introduce new discover of the category.

Binary alpha-unsaturated palladium carboxylates have been synthesized by substitution of alpha-unsaturated acids RCOOH (R is CH2=C(Me), MeCH=CH, PhCH=CH) for the acetate ion in Pd-3(mu-MeCOO)(6). These carboxylates react with amines A (A is morpholine (M), methylmorpholine (MM), or thiomorpholine (MS)) to give trans-Pd(A)(2)(RCOO)(2) similar to trans-A(2)(MeCO2)(2). The structures of the trans-Pd(A)(2)(RCOO)(2) complexes (R is MeCH=CH; A is M, MM, MS) have been determined by X-ray crystallography. The effect of solvent on the crystal structure of the complexes has been demonstrated for trans-(MeCH=CHCO2)(2)Pd(C4H9NO)(2) as an example. The amination reaction of palladium carbonyl crotonate with a secondary amine, morpholine, has been studied for the first time. The reaction involves disproportionation of Pd(I) into Pd(0) and Pd(II) and leads to the first unsaturated palladium(II) carbamoyl carboxylate-palladium carbamoyl crotonate trans-(OC4H8NH)(2)Pd[OC4H8NC(=O)](MeCH=CHCO2) center dot H2O, as well as to trans-M2Pd(MeCH=CHCO2)(2) and (C4H10NO)(+)(MeCH=CHCO2)(-). The structures of these compounds have been proved by X-ray crystallography.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New Advances in Chemical Research, May 2021. The prevalence of solvent effects has motivated developing quantitative kinetic, and theoretical assessments of solvent structures and their interactions with reaction intermediates. In an article, author is Franceschini, N, once mentioned the application of 1075-49-6, Name is 4-Vinylbenzoic acid, molecular formula is C9H8O2, molecular weight is 148.16, MDL number is MFCD00002569, category is thiomorpholine. Now introduce a scientific discovery about this category, Category: thiomorpholine.

Reaction time was found to be the critical parameter for the chemoselective N-debenzylation of thiomorpholin-3-one-derivatives with lithium in ammonia. This paper also reports the first preparation of a chiral 2-substituted thiomorpholine building block.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Quality Control of 1-Ethynyl-4-methylbenzene, New discoveries in chemical research and development in 2021.The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 766-97-2, Name is 1-Ethynyl-4-methylbenzene, SMILES is CC1=CC=C(C#C)C=C1, molecular formula is C9H8, belongs to thiomorpholine compound. In an article, author is Freitas, Vera L. S., introduce new discover of the category.

The influence of the heteroatoms in the conformational, energetic, and reactivity trends exhibited by morpholine and thiomorpholine isosteres was obtained from computational and experimental thermochemical studies. For those purposes, the gas-phase standard (p = 0.1 MPa) molar enthalpies of formation of the compounds, at T = 298.15 K, were determined from the experimental values of the standard molar. enthalpies of formation, in the liquid phase, and of the standard molar: enthalpies of vaporization, obtained by calorimetric techniques, and also from composite G3(MP2)// B3LYP calculations making use of appropriate working reactions. A very good agreement was found between the calculated and the experimental gas-phase enthalpies of formation. The computational study was further extended to the calculation of other gas-phase thermodynamic properties these compounds, namely, the N-H or C-H bond dissociation enthalpies, gas-phase acidities and basicitics, proton affinities and adiabatic ionization enthalpies, and the energies and structures of the conformational stereoisomers of morpholine and thiomorpholine.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Electric Literature of 86-48-6, New discoveries in chemical research and development in 2021.The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 86-48-6, Name is 1-Hydroxy-2-naphthoic acid, SMILES is O=C(O)C1=CC=C2C=CC=CC2=C1O, molecular formula is C11H8O3, belongs to thiomorpholine compound. In an article, author is Dellinger, Douglas J., introduce new discover of the category.

An improved method for the chemical synthesis of RNA was developed utilizing a streamlined method for the preparation of phosphoramidite monomers and a single-step deprotection of the resulting oligoribo-nucleotide product using 1,2-diamines under anhydrous conditions. The process is compatible with most standard heterobase protection and employs a 2′-O-(1,1-dioxo-1 lambda(6)-thiomorpholine-4-carbothioate) as a unique 2′-hydroxyl protective group. Using this approach, it was demonstrated that the chemical synthesis of RNA can be as simple and robust as the chemical synthesis of DNA.

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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem