Day: April 27, 2021

Electric Literature of 875444-08-9, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.875444-08-9, Name is (4S,5R)-5-(3,5-Bis(trifluoromethyl)phenyl)-4-methyloxazolidin-2-one, molecular formula is C12H9F6NO2. In a Patent，once mentioned of 875444-08-9

CETP INHIBITORS

Compounds having the structure of Formula (I), including pharmaceutically acceptable salts of the compounds, are CETP inhibitors and are useful for raising HDL-cholesterol, reducing LDL-cholesterol, and for treating or preventing atherosclerosis. In the compounds of Formula (I), B is a cyclic group other than phenyl, and B has a cyclic substituent at a position that is ortho to the position at which B is connected to the remainder of the structure of Formula (I). The 5-membered ring of Formula (I) has a second cyclic substituent in addition to B.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H2761NO – PubChem

 

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. SDS of cas: 497-25-6, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 497-25-6, name is Oxazolidin-2-one. In an article，Which mentioned a new discovery about 497-25-6

1,3-Dipolar cycloaddition of N-substituted dipolarophiles and nitrones: Highly efficient solvent-free reaction

(Chemical Equation Presented) New isoxazolidines were synthesized in good to excellent yields by 1,3-dipolar cycloaddition of N-vinylamide dipolarophiles and nitrones. Strikingly, solvent-free conditions gave high conversion and yields, shortened reaction time, and minimized degradation products. N-Vinyloxazolidin-2-one and its analogues used in these cycloaddition reactions were conveniently prepared in excellent yields by a modified version of Buchwald’s one-step copper-catalyzed vinylation using vinyl bromide. From the adducts, a two-step access to various unsymmetric aspartate derivatives was also described.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1051NO – PubChem

 

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. category: oxazolidine, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 497-25-6, name is Oxazolidin-2-one. In an article，Which mentioned a new discovery about 497-25-6

Efficient chiral monophosphorus ligands for asymmetric Suzuki-Miyaura coupling reactions

A series of novel P-chiral monophosphorus ligands exhibit efficiency in asymmetric Suzuki-Miyaura coupling reactions, enabling the construction of an array of chiral biaryl products in high yields and excellent enantioselectivities (up to 96% ee) under mild conditions. The carbonyl-benzooxazolidinone moiety in these chiral biaryl products allows facile derivatization for further synthetic applications. A computational study has revealed that a pi-pi interaction between the two coupling partners can enhance the enantioselectivity of the coupling reaction.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1046NO – PubChem

 

Electric Literature of 497-25-6, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.497-25-6, Name is Oxazolidin-2-one, molecular formula is C3H5NO2. In a article，once mentioned of 497-25-6

Asymmetric Intramolecular Ene Reaction Catalyzed by a Chiral Titanium Reagent and Synthesis of (-)-epsilon-Cadinene

A highly diastereo- and enantio-selective intramolecular ene reaction was developed by employing a chiral titanium reagent generated in situ from TiCl2(OPri)2 and a tartrate-derived chiral 1,4-diol.This reaction afforded masked cyclohexanone and cyclopentanone derivatives with high optical purities which were synthetically useful chiral building blocks.From the intramolecular ene product (-)-epsilon-cadinene was synthesized by the use of the newly developed intramolecular Michael reaction.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H856NO – PubChem

 

Related Products of 102029-44-7, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 102029-44-7, (R)-4-Benzyl-2-oxazolidinone, introducing its new discovery.

Potent and selective aggrecanase inhibitors containing cyclic P1 substituents

Anti-succinate hydroxamates with cyclic P1 motifs were synthesized as aggrecanase inhibitors. The N-methanesulfonyl piperidine 23 and the N-trifluoroacetyl azetidine 26 were the most potent aggrecanase inhibitors both having an IC50=3 nM while maintaining >100-fold selectivity over MMP-1, -2, and -9. The cyclic moieties were also capable of altering in vivo metabolism, hence delivering low clearance compounds in both rat and dog studies as shown for compound 14.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1765NO – PubChem

 

497-25-6, Name is Oxazolidin-2-one, belongs to oxazolidine compound, is a common compound. COA of Formula: C3H5NO2In an article, once mentioned the new application about 497-25-6.

Preparation of N-akenylcarbamic esters

N-Alkenylcarbamic esters of the general formula I STR1 where at least one of the R1 radicals is hydrogen and the second R1 radical is hydrogen or C1 -C4 –alkyl, the R2 radical is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be linked to the R3 radical to form a 2- to 10-membered bridge, and the R3 radical is an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II STR2 where R1 has the abovementioned meaning, and R4 is hydrogen, an aliphatic, cycloaliphatic or aromatic radical, and a carbamic ester of the general formula III STR3 where the R2 and R3 radicals have the abovementioned meanings, are prepared by reacting the starting compounds in the presence of a base.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H119NO – PubChem

 

Chemistry is traditionally divided into organic and inorganic chemistry. Application In Synthesis of 5,5-Dimethyloxazolidine-2,4-dione, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 695-53-4

2-CYANOPYRROLOPYRIMIDINES AND PHARMACEUTICAL USES THEREOF

The invention relates to pyrrolo pyrimidines of formula (I), wherein Y represents-(CH2)t-O-or-(CH2)r-S-, p is 1 or 2, r is 1, 2 or 3, t is 1, 2 or 3, or Y is-(CH2)j-or-CH=CH-, j is 1 or 2; p is 1 or 2, or Y is-(CH2)f-, f is 1 or 2, p is 1, and the further radicals and symbols have the meaning as defined herein; their preparation, their use as pharmaceuticals, pharmaceutical compositions containing them, the use of such a compound for the manufacture of a pharmaceutical preparation for the treatment of neuropathic pain and to a method for the treatment of such a disease in animals, especially in humans.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1317NO – PubChem

 

Reference of 444335-16-4, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.444335-16-4, Name is (R)-3-(4-Bromo-3-fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one, molecular formula is C10H9BrFNO3. In a article，once mentioned of 444335-16-4

PROCESS FOR THE PREPARATION OF LEDIPASVIR

The present invention relates to a process for the preparation of Ledipasvir using Bis(triphenylphosphine)palladium(II) dichloride and process for the preparation of intermediates of Ledipasvir.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H2679NO – PubChem

 

Synthetic Route of 497-25-6, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 497-25-6, Name is Oxazolidin-2-one, molecular formula is C3H5NO2. In a Article，once mentioned of 497-25-6

Synthesis of cyclic carbonates from urea and diols over metal oxides

Several metal oxides were used for synthesis of ethylene carbonate from urea and ethylene glycol. ZnO showed high activity towards the reaction. TPD, FTIR and reaction test indicated that the catalysts with appropriate acid and base properties were favorable to the synthesis of cyclic carbonate. Furthermore, the reaction of urea with various diols revealed that the selectivity of five-membered cyclic carbonates was higher than that of six-membered cyclic carbonates.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H741NO – PubChem

 

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. Safety of Oxazolidin-2-one. Introducing a new discovery about 497-25-6, Name is Oxazolidin-2-one

Preparation and Complex Formation of Polymers Anchoring 2-Oxazolidinone

Polymers anchoring 3-unsubstituted 2-oxazolidinone were prepared and their complex formation with phenol and mercury(II) acetate were investigated.Preformed poly(4-hydroxystyrene) was treated with tris(2,3-epoxypropyl)isocyanurate to give a polymer containing 2-oxazolidinone residues within the limits of 57.7 molpercent.Polymers carrying 2-oxazolidinone were also prepared through the homopolymerization and copolymerization of 4-(2-oxo-5-oxazolidinylmethoxy)phenyl acrylate.The effective concentration of 2-oxazolidinone residue in the polymers, which is accessible to phenol, was determined on the assumption that the polymer-bound 2-oxazolidinone and phenol formed a 1:1 complex. 2-Oxazolidinone and a mercury atom formed a 2:1 complex; this relation on the molar ratio applies to all forms of complexes between the mercury atom and the 2-oxazolidinone residue in the polymers.

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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H643NO – PubChem