Category: 60827-45-4

Product Details of 60827-45-4. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Highly enantioselective resolution of terminal epoxides with crosslinked polymeric salen-Co(III) complexes.

Crosslinked polymeric salen-Co(III) complexes derived from a novel dialdehyde and a trialdehyde were synthesized and employed in the hydrolytic kinetic resolution of terminal epoxides. Up to 99% ee was obtained with only 0.16-0.02 mol % of catalyst (based on catalytic unit).

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of (2S)-(+)-3-Chloropropane-1,2-diol. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Hydrolytic kinetic resolution of terminal epoxides catalyzed by fluorous chiral Co(salen) complexes. Author is Cavazzini, Marco; Quici, Silvio; Pozzi, Gianluca.

Cobalt complexes of fluorous chiral salen ligands have been synthesized and tested as catalysts in the hydrolytic kinetic resolution of terminal epoxides. Whereas the activity of heavily fluorinated complexes was found to be rather low, a light fluorous complex I was shown to be an efficient and highly selective catalyst for this asym. ring-opening reaction. Several strategies for the isolation of reaction products and the recovery of the fluorous catalyst are also discussed.

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Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Name: (2S)-(+)-3-Chloropropane-1,2-diol. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Porphyrin with circularly polarized luminescence in aggregated states. Author is Wang, Rongqiao; Chen, Shibing; Chen, Qiaoru; Guo, Hongyu; Yang, Fafu.

Porphyrin with circularly polarized luminescence (CPL) in aggregated state was seldom presented due to the strong aggregation-caused quenching (ACQ) effect at aggregation. This work designed and synthesized a novel porphyrin derivative (CPL-P) with good CPL behavior in aggregated states based on the strong AIE-FRET effect and good chirality transfer of liquid crystalline porphyrin, which was constructed by using porphyrin unit as core with four AIE cyanostilbene groups bearing peripheral chiral alkyl chains. CPL-P exhibited orderly hexagonal columnar mesophase between 62.5°C and 113.2°C. It displayed excellent fluorescence emission at 640-760 nm in aggregated states due to the AIE-FRET effect between cyanostilbene unit and porphyrin moiety. Moreover, CPL-P showed the strong CD and CPL properties in aggregated states based on the effective chiral transfer of the spiral liquid crystalline self-assembly. The |glum| value for mesophase attained 6.6 x 10-3 based on the combining effect of AIE-FRET and chiral transfer. This research supplied a new strategy for transferring typical achiral porphyrin with ACQ effect to luminescent mol. with good CPL behavior in aggregated state.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: (2S)-(+)-3-Chloropropane-1,2-diol( cas:60827-45-4 ) is researched.Product Details of 60827-45-4.Bredikhina, Zemfira A.; Kurenkov, Alexey V.; Zakharychev, Dmitry V.; Krivolapov, Dmitry B.; Bredikhin, Alexander A. published the article 《New example of spontaneous resolution among aryl glycerol ethers: 3-(2,6-dichlorophenoxy)propane-1,2-diol》 about this compound( cas:60827-45-4 ) in Journal of Molecular Structure. Keywords: crystallization spontaneous resolution dichlorophenoxypropanediol. Let’s learn more about this compound (cas:60827-45-4).

Using a set of simple tests, based on the properties of ideal conglomerate phase diagrams, it was suggested to the conglomerate-formative nature of 3-(2,6-dichlorophenoxy)propane-1,2-diol 1. Addnl. arguments were drawn during the study of a single crystal x-ray diffraction study of the compound The crystal packing details were evaluated and discussed. Racemic 1 were resolved into individual (S)- and (R)-components by a preferential crystallization procedure.

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Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Safety of (2S)-(+)-3-Chloropropane-1,2-diol. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about A new practical synthesis of ethyl (R)-(-)-4-cyano-3-hydroxybutyrate from (S)-3-chloro-1,2-propanediol. Author is Jiang, Chengjun; Hong, Huabin.

A practical chem. synthesis of (R)-4-cyano-3-hydroxybutyrate was accomplished starting from (S)-3-chloro-1,2-propanediol, which is the main byproduct originating from (S,S)-salen Co(III)-catalyzed hydrolytic kinetic resolution of epichlorohydrin. The new synthetic approach demonstrated an efficient utilization of organic byproduct for the asym. synthesis of the intermediate of atorvastatin.

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Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 60827-45-4, is researched, Molecular C3H7ClO2, about The selective neurotoxicity produced by 3-chloropropanediol in the rat is not a result of energy deprivation, the main research direction is neurotoxicity chloropropanediol glyceraldehyde phosphate dehydrogenase.Electric Literature of C3H7ClO2.

The biochem. mechanism of toxicity of the exptl. astrocyte neurotoxicant and food contaminant S-3-chloro-1,2-propanediol (3-CPD) has been proposed to be via inhibition of glyceraldehyde-3-phosphate dehydrogenase (GAPDH). We have confirmed this action in liver, which shows inhibition to 6.0±0.7% control at the neuropathic dose of 140 mg/kg. However, GAPDH activity in brain only fell to a min. of 54±24% control, and the concentrations of lactate and pyruvate (the downstream products of GAPDH), showed no pre-neuropathic decreases in 3-CPD susceptible brain tissue. There was no inhibition of GAPDH activity in primary astrocyte cultures at sub-cytotoxic exposures. We therefore sought alternative mechanisms to explain its toxicity to astrocytes. We were able to show that 3-CPD is a substrate for glutathione-S-transferase and also that, after bioactivation by alc. dehydrogenase, it generates an irreversible inhibitor of glutathione reductase. In addition, incubation of brain slices from the 3-CPD-vulnerable inferior colliculus produces a depletion of glutathione and an inhibition of glutathione-S-transferase that is not seen in equivalent slices taken from the 3-CPD-resistant occipital neocortex. A smaller but significant and similarly regionally selective decrease in glutathione content is also seen in vivo. We conclude that 3-CPD does not produce its astrocytic toxicity via energy deprivation, and suggest that selective bioactivation and consequent disruption of redox state is a more likely mechanism.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Isolation of a bacterium assimilating (R)-3-chloro-1,2-propanediol and production of (S)-3-chloro-1,2-propanediol using microbial resolution, the main research direction is Alcaligenes chloropropanediol metabolism resolution.Recommanded Product: 60827-45-4.

A bacterium capable of assimilating 3-chloro-1,2-propanediol was isolated from soil by enrichment culture. The strain was identified as Alcaligenes sp. by taxonomic studies. The crude extracts of the cells had dehalogenating activities and converted various halohydrins to the corresponding epoxides. 3-Chloro-1,2-propanediol was degraded stereospecifically by the strain, liberating Cl-. The residual isomer was found by use of this strain in 38% yield, and (S)-glycidol (99.4% enantiomeric excess) was subsequently synthesized from the obtained (S)-3-chloro-1,2-propanediol by alk. treatment.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 60827-45-4, is researched, Molecular C3H7ClO2, about Optical isomers of chloropropanols: Mechanisms of their formation and decomposition in foods, the main research direction is protein hydrolyzate chloropropanol enantiomer.Recommanded Product: (2S)-(+)-3-Chloropropane-1,2-diol.

Protein hydrolyzates produced by hydrochloric acid hydrolysis were analyzed for 3-chloropropane-1,2-diol and its enantiomers. It was found that (R)-3-chloropropane-1,2-diol and (S)-3-chloropropane-1,2-diol were present in the hydrolyzates in equimolar concentrations Model system experiments with glycerol, triolein and soy lecithin heated with hydrochloric acid in solution showed that these materials were precursors of 3-chloropropane-1,2-diol and yielded racemic mixtures of its enantiomers. Yields of 3-chloropropane-1,2-diols decreased in the order triolein > lecithin > glycerol. Mechanisms of 3-chloropropane-1,2-diol enantiomer formation during the production of protein hydrolyzates are presented and discussed as well as reaction pathways of their decomposition in alk. media via the corresponding (R)- and (S)-hydroxymethyloxiranes. In alk. media both 3-chloropropane-1,2-diol enantiomers decomposed at the same rate.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Category: iodides-buliding-blocks. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Novel S1P1 Receptor Agonists – Part 1: From Pyrazoles to Thiophenes. Author is Bolli, Martin H.; Muller, Claus; Mathys, Boris; Abele, Stefan; Birker, Magdalena; Bravo, Roberto; Bur, Daniel; Hess, Patrick; Kohl, Christopher; Lehmann, David; Nayler, Oliver; Rey, Markus; Meyer, Solange; Scherz, Michael; Schmidt, Gunther; Steiner, Beat; Treiber, Alexander; Velker, Jorg; Weller, Thomas.

From a high-throughput screening campaign aiming at the identification of novel S1P1 receptor agonists, the pyrazole (E)-3-Phenyl-1-((3bS,4aR)-3,4,4-trimethyl-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)prop-2-en-1-one emerged as a hit structure. Medicinal chem. efforts focused not only on improving the potency of the compound but in particular also on resolving its inherent instability issue. This led to the discovery of novel bicyclo3.1.0|-hexane fused thiophene derivatives Compounds with high affinity and selectivity for S1P1 efficiently reducing the blood lymphocyte count in the rat were identified. For instance, 3-{2-Ethyl-6-methyl-4-[5-((1aS,5aR)-1,1,2-trimethyl1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalen-4-yl)[1,2,4]oxadiazol-3-yl]-phenyl}-propionic acid showed EC50 values of 7 and 2880 nM on S1P1 and S1P3, resp., had favorable pharmacokinetic properties in rat and dog, distributed well into brain tissue, and efficiently and dose dependently reduced the blood lymphocyte count in the rat. After oral administration to spontaneously hypertensive rats, the S1P1 selective 3-{2-Ethyl-6-methyl-4-[5-((1aS,5aR)-1,1,2-trimethyl1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalen-4-yl)[1,2,4]oxadiazol-3-yl]-phenyl}-propionic acid showed no effect on mean arterial blood pressure and affected the heart rate during the wake phase of the animals only.

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Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

COA of Formula: C3H7ClO2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about New example of spontaneous resolution among aryl glycerol ethers: 3-(2-hydroxyphenoxy)propane-1,2-diol. Author is Bredikhina, Zemfira A.; Konoshenko, Larisa V.; Zakharychev, Dmitry V.; Pashagin, Alexander V.; Gubaidullin, Aidar T.; Bredikhin, Alexander A..

The conglomerate-forming nature of 3-(2-hydroxyphenoxy)propane-1,2-diol was established by IR, DSC, and x-ray diffraction methods. Racemic diol could be resolved by a moderate efficiency preferential crystallization procedure.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com