Tag: M.W:200-300

SDS of cas: 98-68-0, 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. 98-68-0, Name is 4-Methoxybenzene-1-sulfonyl chloride, SMILES is O=S(C1=CC=C(OC)C=C1)(Cl)=O, molecular formula is C7H7ClO3S, belongs to thiomorpholine compound. In an article, author is Zheng, Jin-wen, introduce new discover of the category.

Block copolymer (BCP) nanoparticles with three different block sequences, PDMA-PNAT-PDAAM (M-N-D), PDMA-PDAAM-PNAT (M-D-N) and PDMA-P(NAT-co-DAAM) (M-[N-co-D]), are prepared via polymerization-induced self-assembly (PISA). Soluble N-acryloyloxy thiomorpholine (NAT) and diacetone acrylamide (DAAM) are used as monomers to form insoluble core blocks in water, while PDMA(35) bearing a trithiocarbonate is utilized as stabilizer and macromolecular chain transfer agent (macro-CTA) to render a RAFT control. Specifically, M-[N-co-D] nano-objects are synthesized via direct RAFT dispersion copolymerization of NAT and DAAM at 70 degrees C employing PDMA35 macro-CTA. To produce M-N-D and M-D-N triblock copolymers, PDMA-PNAT (M-N) and PDMA-PDAAM (M-D) nano-objects are prepared via RAFT dispersion PISA syntheses of NAT and DAAM respectively utilizing PDMA35 macro-CTA and then used for seeded dispersion polymerization of DAAM and NAT respectively without intermediate postpolymerization purification. The thioether moiety in NAT can be oxidized by reactive oxygen species (ROS) into a hydrophilic sulfoxide. Therefore, in the precense of hydrogen peroxide (H2O2), oxidation-responsive morphological degradation of these nano-objects occurs due to the increasing hydrophilicity of NAT units. Given the poor control over polymerization of NAT in pure water, 1,4-dioxane is used as a cosolvent to the PNAT block. So the PISA syntheses are conducted in water/1,4-dioxane (9/1, V/V) mixture to achieve a good control over the molecular weight and narrow distribution. H-1-NMR spectra indicate that quantitative monomer conversions (> 99%) are achieved within 5 h. Differential scanning calorimeter (DLS) and transmission electron microscopy (TEM) are used to characterize final morphologies of PISA-generated nano-objects and morphological evolution of nano-objects in the presence of H2O2 (10 mol/L). These aqueous sequence-controlled PISA formulations are expected to provide responsive nanoparticles with tunable kinetics due to the response-dependent morphological transitions, which may be potentially used as carriers for drug delivery and controlled release.

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Thiomorpholine – Wikipedia,
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Related Products of 615-37-2, Chemical Research Letters, May 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 615-37-2, Name is 1-Iodo-2-methylbenzene, SMILES is CC1=CC=CC=C1I, belongs to thiomorpholine compound. In a article, author is Ceylan, Sule, introduce new discover of the category.

5-(Pyridine-3-yl)-1,3,4-oxadiazole-2-thiole 2, obtaining starting from nicotinic acid hydrazide were converted to the corresponding Mannich bases (3a-c) by the reaction with several heterocyclic amines in the presence of formaldehyde. 1,2,4-Triazole-3-thiole, (4) prepared from 1,3,4-oxadiazole-2-thiole (2) was converted to the corresponding Mannich bases (5a-e) by several steps. The synthesis of Schiff bases (6a-d) was performed from the reaction of the corresponding triazol-3-thioles with various aromatic aldehydes. The treatment of Schiff bases containing 1,2,4-triazoles 6c and 6d with morpholine or thiomorpholine generated the corresponding Mannich bases 7a, b and 8a, b. The synthesized compounds were screened for their antimicrobial, antilipase, and antiurease activities. Some of them were found to possess good-moderate antimicrobial, antiurease, and/or antilipase activity.

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Thiomorpholine – Wikipedia,
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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 Duarte, CD, once mentioned the application of 589-87-7, Name is 1-Bromo-4-iodobenzene, molecular formula is C6H4BrI, molecular weight is 282.9044, MDL number is MFCD00001051, category is thiomorpholine. Now introduce a scientific discovery about this category, Computed Properties of https://www.ambeed.com/products/589-87-7.html.

We describe herein the structural optimization of new piperamide analogues, designed from two natural prototypes, piperine 1 and piper-dardine 2, obtained from Piper tuberculatum Jacq. (Piperaceae). Molecular modeling studies using semiempirical AMI method were made in order to establish rational modifications to optimize them by molecular simplification. The targeted compounds (10) and (11) were respectively obtained using benzaldehyde (12) and para-anisaldehyde (13) as starting materials. H-1 NMR spectra showed that the target compounds were diastereoselectively obtained as the (E)-isomer, the same geometry of the natural prototypes. These new synthetic amides presented significant hypotensive effects in cardiovascular essays using in vivo methodologies. Compound 11 (N-[5-(4′-methoxyphenyl)2(E)-pentenoyl]thiomorpholine) showed a potency 10,000 times greater than its prototype 5, evidencing an optimization of the molecular architecture for this class of hypotensive drug candidates. (C) 2004 Elsevier B.V. All rights reserved.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Chemical Research Letters, May 2021. Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media. 723-62-6, Name is Anthracene-9-carboxylic acid, molecular formurla is C15H10O2. In a document, author is Yu, SR, introducing its new discovery. Electric Literature of 723-62-6.

A measurement system for cystathionine (Cysta) lanthionine (LT), and S-(2-aminoethyl)-L-cysteine (AEC), and reduced products of their ketimines, perhydro-1,4-thiazepine-3,5-dicarboxylic acid (PHTZDC), 1,4-thiomorpholine-3,5-dicarboxylic acid (TMDA) and 1,4-thiomorpholine-3-carboxylic acid (TMA) in the urine samples of a patient with cystathioninuria and normal human subjects has been developed, using column liquid chromatography-mass spectrometry. The recoveries were about 90-105% for Cysta, LT and AEC, and about 77-87% for PHTZDC, TMDA and TMA after ion-exchange treatment. The concentrations of Cysta and PHTZDC in the urine of a patient with cystathioninuria were much higher compared with those in the urine of normal human subjects. The concentrations of AEC and TMDA were almost the same. LT and TMA could not be detected in the urine samples by this method. This method proved useful for the determination of sulfur-containing amino acids and their cyclic compounds in biological samples. (C) 1997 Elsevier Science B.V.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Electric Literature of 90-30-2, Chemical Research Letters, May 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 90-30-2, Name is N-Phenyl-1-naphthylamine, SMILES is N(C1=CC=CC=C1)C1=CC=CC2=C1C=CC=C2, belongs to thiomorpholine compound. In a article, author is Jarvis, Claire L., introduce new discover of the category.

Secondary amines react with thiosalicylaldehydes in the presence of catalytic amounts of acetic acid to generate ring-fused N,S-acetals in redox-neutral fashion. A broad range of amines undergo alpha-sulfenylation, including challenging substrates such morpholine, thiomorpholine, and piperazines. Computational studies employing density functional theory indicate that acetic acid reduces the energy barriers of two separate steps, both of which involve proton transfer.

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Thiomorpholine – Wikipedia,
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New research progress on 81-64-1 in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 81-64-1, Name is 1,4-Dihydroxyanthracene-9,10-dione, molecular formurla is C14H8O4. In a document, author is Hamama, WS, introducing its new discovery. Recommanded Product: 1,4-Dihydroxyanthracene-9,10-dione.

2,3-Dihydro-1H-benzo[d]imidazole-2-thione (1) was subjected to a Mannich reaction with either dimethylamine, urotropine, morpholine, thiomorpholine, (+/-) 3,3,5 trimethylhexahydroazepine, piperazine or p-bromoaniline and formalin in different molar ratios to afford the Mannich bases. The reactivity of the Mannich base 5a towards indole was also investigated. In addition the condensation of hydroxymethyl derivative 10 with morpholine, benzimidazole, p-bromoaniline, tryptamine and aminiothiazole was achieved.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New research progress on 53499-40-4 in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 53499-40-4, Name is 2-(Benzhydryloxy)-N-methylethanamine hydrochloride, molecular formurla is C16H20ClNO. In a document, author is Han, Bei, introducing its new discovery. Safety of 2-(Benzhydryloxy)-N-methylethanamine hydrochloride.

Thirteen thiomorpholine-bearing compounds were designed and synthesized as dipeptidyl peptidase IV (DPP-IV) inhibitors, with natural and non-natural L-amino acids as the starting materials. Their structures were characterized by H-1 NMR, C-13 NMR and HR-MS. The target compounds were screened for the DPP-IV inhibition, and the preliminary SAR result was obtained. Particularly, compounds 4c, 4d and 4f with good DPP-IV inhibition in vitro were further evaluated through a mouse oral glucose tolerance test (OGTT). The preliminary result showed the potential value for further studies on those thiomorpholine-bearing compounds as DPP-IV inhibitors. (C) 2011 Hai Hong Huang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New research progress on 177034-57-0 in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 177034-57-0, Name is 4-((2-Isopropoxyethoxy)methyl)phenol, molecular formurla is C12H18O3. In a document, author is Duarte, CD, introducing its new discovery. Recommanded Product: 177034-57-0.

We describe herein the structural optimization of new piperamide analogues, designed from two natural prototypes, piperine 1 and piper-dardine 2, obtained from Piper tuberculatum Jacq. (Piperaceae). Molecular modeling studies using semiempirical AMI method were made in order to establish rational modifications to optimize them by molecular simplification. The targeted compounds (10) and (11) were respectively obtained using benzaldehyde (12) and para-anisaldehyde (13) as starting materials. H-1 NMR spectra showed that the target compounds were diastereoselectively obtained as the (E)-isomer, the same geometry of the natural prototypes. These new synthetic amides presented significant hypotensive effects in cardiovascular essays using in vivo methodologies. Compound 11 (N-[5-(4′-methoxyphenyl)2(E)-pentenoyl]thiomorpholine) showed a potency 10,000 times greater than its prototype 5, evidencing an optimization of the molecular architecture for this class of hypotensive drug candidates. (C) 2004 Elsevier B.V. All rights reserved.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Chemical Research Letters, May 2021. Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media. 2471-70-7, Name is 6-Methoxy-2-naphthoic acid, molecular formurla is C12H10O3. In a document, author is Morkved, Eva H., introducing its new discovery. Application of 2471-70-7.

The Zn(quinoline)(2)Cl-2 complex is found to be a convenient reagent for the direct synthesis of amino-substituted, zinc azaphthalocyanines. Octa(4-thiomorpholinyl)- and octa(1-pyrazolyl)- substituted zinc azaphthalocyanines were synthesized from pyrazines, 5,6-bis(4-thiomorpholinyl)pyrazine-2,3-dicarbonitrile and 5,6-bis(1-pyrazolyl)pyrazine-2,3-dicarbonitrile, respectively and dry Zn(quinoline)(2)Cl-2. Two zinc azaphthalocyanines, both mixtures of four constitutional isomers, were synthesized by the same method, from 6-(2-thienyl)-5-(4-thiomorpholinyl)pyrazine-2,3-dicarbonitrile and from 6-(2-thienyl)-5-(1-pyrazolyl)pyrazine-2,3-dicarbonitrile respectively. The octa(4-thiomorpholinyl)- and octa(1-pyrazolyl)-substituted zinc azaphthalocyanines and the zinc azaphthalocyanines with mixed substituents were characterized by elemental analyses, TOF-SIMS, H-1 and C-13 NMR, and UV-vis spectroscopic methods. Q-bands for octa(4-thiomorpholinyl)- and octa(I-pyrazolyl)-substituted zinc azaphthalocyanines and the zinc azaphthalocyanines with mixed substituents are found at respectively 655 and 670 nm (epsilon: 100 000-180 000 M-1.cm(-1)). Copyright (c) 2006 Society of Porphyrins & Phthalocyanines.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

New research progress on 90-30-2 in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 90-30-2, Name is N-Phenyl-1-naphthylamine, molecular formurla is C16H13N. In a document, author is Chen, JJ, introducing its new discovery. Recommanded Product: 90-30-2.

Substituted anilines and vinyl sulfone undergo a facile double Michael addition to form substituted phenylthiomorpholine dioxide, catalyzed with AlCl3 or H3PO4. Scope and conditions were explored. (C) 2003 Elsevier Science Ltd. All rights reserved.

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Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem