Category: 60827-45-4

Reference of (2S)-(+)-3-Chloropropane-1,2-diol. 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 Porphyrin with circularly polarized luminescence in aggregated states.

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

SDS of cas: 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 New cations for ionic liquids, including chiral adjuncts with phosphate and sulfonylimide anions.

Symposium proceedings. A series of new ionic liquids has been prepared and investigated incorporating a variety of ammonium and polyammonium cationic components. These include several topogs., including linear arrays (strings) with stereogenic sites along the array, and both pyrrolidinium and pyridinium species bearing ether and chiral adjuncts. The associated anions for these systems include the (environmentally friendlier) phosphate and bis(trifluoromethyl)sulfonylimide species. Phys. and chem. characteristics of the anhydrous ionic liquids have been investigated.

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

Related Products of 60827-45-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Enhancing the detection sensitivity of trace analysis of pharmaceutical genotoxic impurities by chemical derivatization and coordination ion spray-mass spectrometry. Author is Bai, Lin; Sun, Mingjiang; An, Jianguo; Liu, David Q.; Chen, Ted K.; Kord, Alireza S..

Many pharmaceutical genotoxic impurities are neutral mols. Trace level anal. of these neutral analytes is hampered by their poor ionization efficiency in mass spectrometry (MS). Two anal. approaches including chem. derivatization and coordination ion spray-MS were developed to enhance neutral analyte detection sensitivity. The chem. derivatization approach converts analytes into highly ionizable or permanently charged derivatives, which become readily detectable by MS. The coordination ion spray-MS method, on the other hand, improves ionization by forming neutral-ion adducts with metal ions such as Na+, K+, or NH4 + which are introduced into the electrospray ionization source. Both approaches have been proven to be able to enhance the detection sensitivity of neutral pharmaceuticals dramatically. This article demonstrates the successful applications of the two approaches in the anal. of four pharmaceutical genotoxic impurities identified in a single drug development program, of which two are non-volatile alkyl chlorides and the other two are epoxides.

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Reference:
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 chloropropanediols: mechanisms of their formation and decomposition in protein hydrolyzates, the main research direction is chloropropanediol enantiomer formation.Computed Properties of C3H7ClO2.

Protein hydrolyzates produced by HCl 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 experiments with glycerol, triolein and soy lecithin heated with HCl in solution showed that these materials were precursors of 3-chloropropane-1,2-diol and 2-chloropropane-1,3-diol and, as expected, yielded racemic 3-chloropropane-1,2-diol. Yields of 3-chloropropane-1,2-diols decreased in the order triolein > lecithin > glycerol. The mechanisms of 3-chloropropane-1,2-diol enantiomers formation during the production of protein hydrolyzates are presented and discussed as well as the reaction pathways of their decomposition in alk. media via the corresponding intermediates, (R)- and (S)-glycidol, resp. Both epoxides are hydrolyzed to glycerol and form a variety of products with hydrolyzate constituents.

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

Rupini, Boyina; Pasricha, Sharda; Rathi, Brijesh published the article 《Asymmetric reductive amination of carbonyl compounds by using N,N,N-tributylpropanaminium based novel chiral ionic liquid》. Keywords: carbonyl compound asym reductive amination tributylpropanaminium chiral ionic liquid.They researched the compound: (2S)-(+)-3-Chloropropane-1,2-diol( cas:60827-45-4 ).Application In Synthesis of (2S)-(+)-3-Chloropropane-1,2-diol. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:60827-45-4) here.

Asym. reductive amination of carbonyl compounds was carried out using a novel class of aliphatic quaternary ammonium based chiral ionic liquid (R)-2,3-dihydroxy-N,N,N-tributylpropanaminum bromide chiral ionic liquid was synthesized, characterized and used for asym. reductive amination of carbonyl compounds in the presence of sodium borohydride. These preliminary results are encouraging and advocate dual role of novel ionic liquid as a medium and reducing agent for proficient conversion of ketones to amines, however, reductive amination reaction needs to be established for other substituents.

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

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.Quality Control of (2S)-(+)-3-Chloropropane-1,2-diol.Iriuchijima, Shinobu; Kojima, Natsuko published the article 《Asymmetric hydrolysis of esters by biochemical methods. Part III. Asymmetric hydrolysis of (±)-1,2-diacetoxy-3-chloropropane and its related compounds with lipase. Synthesis of optically pure (S)-propranolol》 about this compound( cas:60827-45-4 ) in Agricultural and Biological Chemistry. Keywords: diacetoxychloropropane asym hydrolysis lipase. Let’s learn more about this compound (cas:60827-45-4).

Asym. hydrolysis of (±)-1,2-diacetoxy-3-chloropropane (I) using lipoprotein lipase gave (S)-I of 90% enantiomeric excess (e.e.). Reactions of (S)-I with phenols in an alk. condition yielded the corresponding (S)-3-aryloxy-1,2-propranediols. (S)-Propranolol was prepared from (S)-3-(1-naphthoxy)-1,2-propanediol. Hydrolysis of (±)-1,2-diacetoxy-3-bromopropane (II) and (±)-1,2-diacetoxyethylbenzene (III) with the lipase afforded (S)-II of 77% e.e. and (R)-III of 73% e.e., resp.

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

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.Liu, Tao; Ruan, Wenjuan; Zhang, Yuling; Zhu, Zhi’ang; Chen, Rongti researched the compound: (2S)-(+)-3-Chloropropane-1,2-diol( cas:60827-45-4 ).Product Details of 60827-45-4.They published the article 《Reaction kinetics of hydrolytic resolution of epichlorohydrin catalyzed by chiral salen metal complex》 about this compound( cas:60827-45-4 ) in Cuihua Xuebao. Keywords: hydrolytic resolution epichlorohydrin chiral salen metal complex kinetics. We’ll tell you more about this compound (cas:60827-45-4).

The reaction kinetics of hydrolytic resolution of racemic epichlorohydrin to chiral 3-chloro-1,2-propanediol and optically active epichlorohydrin, catalyzed by chiral salen metal complexes, was studied by using gas chromatog. The effects of temperature, catalyst type and catalyst concentration on the reaction rate were explored.

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

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 60827-45-4, is researched, SMILESS is OC[C@H](O)CCl, Molecular C3H7ClO2Conference, Actes Congr. Mond. – Soc. Int. Etude Corps Gras, 13th called The synthesis of chiral glycerides starting from D- and L-serine, Author is Lok, C. M.; Ward, J. P.; Van Dorp, D. A., the main research direction is glyceride chiral synthesis serine.COA of Formula: C3H7ClO2.

Chiral glycerides were prepared starting from D- and L-serine by a multistep stereospecific sequence. E.g., L-serine was converted by diazotization and esterification into Me L-glycerate, this by acetalization and reduction to 2,3-O-isopropylidene-sn-glycerol, which was converted by sequential chlorination, hydrolysis, and cyclocondensation to D-glycidol (I). I could be acylated, then esterified with a fatty acid to give a diglyceride mixture, which could be isomerized by heating to 100% 1,3-diglycerides, or its hydroxyl group could be protected by a trityl group and it could be converted into a 1,2-diglyceride. Both types of diglycerides could be converted conventionally into sn-triglycerides.

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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 Rhodococcus sp. 18-19 and Pseudomonas sp. 31-3 as new tools for obtaining of optically active 3-chloro-1,2-propanediol, the main research direction is chloropropanediol kinetic resolution Rhodococcus Pseudomonas.SDS of cas: 60827-45-4.

Bacteria synthesizing stereoselective ferments of 3-chloro-1,2-propanediol transformation were isolated from the soil samples. Rhodococcus sp. 18-19 and Pseudomonas sp. 31-3 were revealed to be the most active strains, exhibiting the opposite specificity to diol stereoisomeres. The possibility to use these strains for obtaining of optically active 3-chloro-1,2-propanediol by the kinetic resolution of racemate with help of resting or growing cells was shown. It was found, that (S)-enantiomer (97% ee) can be obtained when using Rhodococcus sp. 18-19 strain, and (R)-enantiomer (96% ee) – when using Pseudomonas sp. 31-3 strain.

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

Application In Synthesis of (2S)-(+)-3-Chloropropane-1,2-diol. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about A new ligand class for the asymmetric dihydroxylation of olefins. Author is Becker, Heinrich; Sharpless, K. Barry.

1,4-Bis(dihydroquinidinyl)- and 1,4-bis(dihydroquininyl)anthraquinone are new ligands which show superior enantioselectivity in the asym. dihydroxylation of almost all olefins having only aliphatic substituents.

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