Category: 560-09-8

Liu, Yan-Song; Yu, Tim; Armstrong, Daniel W. published an article about the compound: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid( cas:560-09-8,SMILESS:CC1(C)[C@@H](CC[C@]1(C)C(O)=O)C(O)=O ).Safety of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:560-09-8) through the article.

The sensitivity and ruggedness of chiroptical detectors have improved considerably during the past decade. The authors examine >230 chiral compounds using the latest laser-based polarimetry detector for HPLC. They also examine the relation between optical rotation at the detector wavelength of 675 nm and the sodium D line. The authors consider the sensitivity, linear dynamic range, and effect of solvent composition on rotation and its general use as an HPLC detector for chiral compounds

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Configuration of the camphoric acids》. Authors are Walker, James; Wood, John K..The article about the compound:(1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acidcas:560-09-8,SMILESS:CC1(C)[C@@H](CC[C@]1(C)C(O)=O)C(O)=O).Application of 560-09-8. Through the article, more information about this compound (cas:560-09-8) is conveyed.

The molecule of camphoric acid contains two, and only two, asymmetric carbon atoms, that these carbon atoms are links in a closed carbon chain, and that each of them has a carboxyl group attached to it. It is further known that the asymmetric carbon atoms are not similar to each other, so that there can be no optical inactivity by internal compensation. To distinguish between these two asymmetric atoms, the prefixes ortho- and allo-, which are commonly used in application to the two carboxyl groups are employed. A discussion on the asymmetric carbon atom to which the ortho-carboxyl group is attached as the ortho-carbon atom, and of that to which the allo-carboxyl group is united as the allo-carbon atom, is presented.

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Recommanded Product: 560-09-8. 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: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid, is researched, Molecular C10H16O4, CAS is 560-09-8, about Synthesis of D-camphor based γ-amino acid (1S,3R)-3-amino-2,2,3-trimethylcyclopentane carboxylic acid.

Synthesis of a γ-amino acid derived from (1R,3S)-camphoric acid is described. D-(+)-Camphoric anhydride, prepared from D-(+)-camphoric acid by treatment with methanesulfonyl chloride and triethylamine, was reacted with benzyl alc. and catalytic DMAP, and subsequently reacted in a Curtius rearrangement to afford the corresponding carbamate derivative This derivative was converted to the desired γ-amino acid through hydrogenolysis.

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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: 560-09-8, is researched, SMILESS is CC1(C)[C@@H](CC[C@]1(C)C(O)=O)C(O)=O, Molecular C10H16O4Journal, Energy & Fuels called Mechanistic Pathway of Carbon Monoxide Off-Gassing from Wood Pellets, Author is Rahman, Mohammad Arifur; Hopke, Philip K., the main research direction is mechanistic pathway carbon monoxide off gassing wood pellet storage.Quality Control of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid.

The off-gassing of carbon monoxide (CO) from stored wood pellets was identified as a significant problem, potentially resulting in adverse occupational and residential exposures. The mechanism for the production of CO from wood pellets was not fully identified. A multiple step process was hypothesized. The reaction is initiated by the autoxidation of unsaturated compounds, including fatty acids and terpenes, by mol. oxygen. As a byproduct of these reactions, hydroxyl radicals are formed. Then, the bulk of CO results from the reactions of hemicellulose and hydroxyl radicals. To understand the mechanistic pathway of CO off-gassing, a number of experiments were conducted in which CO was measured and evolved organic compounds were analyzed using gas chromatog.-mass spectrometry (GC-MS). These studies identified a number of short- and long-chain aldehydes from the evolved gases that indicates the autoxidation mechanism. However, there is insufficient mass of these unsaturated compounds in wood to support the observed mass of off-gassed CO. However, autoxidation would form hydroxyl radicals. The role of hydroxyl radicals was studied using a radical scavenger, and its role in CO production was confirmed. Thus, if the autoxidation initiation can be eliminated, then CO off-gassing from pellets would be substantially reduced. Destruction of the reactive compounds with ozone led to a suppression of CO formation, suggesting an approach to process the wood fiber that would result in low or no CO emission wood pellets.

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Isothiazole – Wikipedia,
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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.Mueller, Detlef M.; Strack, Erich researched the compound: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid( cas:560-09-8 ).HPLC of Formula: 560-09-8.They published the article 《Resolution of the racemates of DL-carnitine》 about this compound( cas:560-09-8 ) in Hoppe-Seyler’s Zeitschrift fuer Physiologische Chemie. Keywords: carnitine resolution camphorate; tartrate resolution carnitine; racemate carnitine resolution. We’ll tell you more about this compound (cas:560-09-8).

A rational and cheap method is reported for the direct resolution of DL-carnitine. D-(+)-Camphoric acid, L-(-)-camphoric acid, dibenzoyl-D-(-)-tartaric acid, or L-(+)-tartaric acid were used to sep. DL-carnitine into its optically active components. Resolution was achieved by repeated fractional crystallization in alc. solution with the appropriate acid, or by combined fractionation with a suitable pair of acids. The resulting salts can be decomposed quant. with water, dilute acids, ether/water, or ion exchanger, to give pure, optically active carnitines. The optically active acids may also be recovered pure and used again for racemate separation

If you want to learn more about this compound((1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid)HPLC of Formula: 560-09-8, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(560-09-8).

Reference:
Isothiazole – Wikipedia,
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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: 560-09-8, is researched, Molecular C10H16O4, about A Tale of Three Carboxylates: Cooperative Asymmetric Crystallization of a Three-Dimensional Microporous Framework from Achiral Precursors, the main research direction is manganese formate adamantanedicarboxylate polymer preparation chirality camphoric glutamic; crystal structure manganese formate adamantanedicarboxylate chirality induction; gas adsorption manganese formate adamantanedicarboxylate polymer complex.Formula: C10H16O4.

Sym. crystallization of 3D porous materials constructed entirely from achiral building blocks by using enantiopure organic acids or amino acids as chirality-inducing agents is reported. Thus, the presence of D-camphor led to (+)-Mn3(HCOO)4(adc) (adc = 1,3-adamantanedicarboxylate), while L-camphor resulted in (-)-Mn3(HCOO)4(adc), which were characterized by x-ray crystallog. The chiral induction agent is essential to initiate the nucleation of the chiral crystals. The chirality control seems to be achieved through cooperative binding between enantiopure chiral reagents and achiral structural building units. Enantiopure chiral reagents control the absolute chirality of the crystals by participating in the nucleation and crystallization processes, but are later replaced with achiral ligands in the resulting crystals.

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Isothiazole – Wikipedia,
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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.Wu, Yusheng; Sabbe, Katrien; De Clercq, Pierre; Vandewalle, Maurits; Bouillon, Roger; Verstuyf, Annemieke researched the compound: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid( cas:560-09-8 ).Reference of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid.They published the article 《Vitamin D3: synthesis of seco C-9,11,21-trisnor-17-methyl-1α, 25-dihydroxyvitamin D3 analogues》 about this compound( cas:560-09-8 ) in Bioorganic & Medicinal Chemistry Letters. Keywords: vitamin D3 analog antiproliferative antitumor calcemic effect preparation; trisnormethyldihydroxyvitamin D3 D ring analog preparation. We’ll tell you more about this compound (cas:560-09-8).

The synthesis and biol. activities of seco C-9,11,21-trisnor-17-methyl-1α,25-dihydroxyvitamin D3 analogs (D-ring analogs) are described. Synthesized analogs were evaluated for their affinity for the vitamin D receptor, in vivo calcemic effects in mice, and anti-proliferative activity in various cell lines.

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Reference of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid, is researched, Molecular C10H16O4, CAS is 560-09-8, about Synthesis, crystal structure and photoluminescent property of a 2D cadmium complex constructed by 4,4′-bis(benzimidazol-1-ylmethyl)biphenyl and camphoric acid ligands. Author is Tao, Zhao-Lin; Qin, Ling; Zheng, He-Gen.

A 2-dimensional complex [Cd(bbmb)(CAM)]n, based on a semi-rigid N-containing ligand bbmb (bbmb = 4,4′-bis(benzimidazol-1-ylmethyl)biphenyl) and H2CAM (H2CAM = camphoric acid) was synthesized by hydrothermal method and characterized by IR spectra, elemental anal., PXRD, TGA, and the crystal structure was determined by single-crystal x-ray diffraction. The complex crystallizes in the orthorhombic system, space group P212121, and features a two-dimensional (2D) layer structure. Second harmonic generation efficiency and fluorescence of the complex are also further studied. This complex has a 2nd harmonic generation response and good fluorescence property, which can be used as a 2nd-order nonlinear optical material and a potential fluorescence material.

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Quality Control of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid, is researched, Molecular C10H16O4, CAS is 560-09-8, about Resolution of the racemates of DL-carnitine. Author is Mueller, Detlef M.; Strack, Erich.

A rational and cheap method is reported for the direct resolution of DL-carnitine. D-(+)-Camphoric acid, L-(-)-camphoric acid, dibenzoyl-D-(-)-tartaric acid, or L-(+)-tartaric acid were used to sep. DL-carnitine into its optically active components. Resolution was achieved by repeated fractional crystallization in alc. solution with the appropriate acid, or by combined fractionation with a suitable pair of acids. The resulting salts can be decomposed quant. with water, dilute acids, ether/water, or ion exchanger, to give pure, optically active carnitines. The optically active acids may also be recovered pure and used again for racemate separation

If you want to learn more about this compound((1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid)Quality Control of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(560-09-8).

Reference:
Isothiazole – Wikipedia,
Isothiazole – 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: 560-09-8, is researched, SMILESS is CC1(C)[C@@H](CC[C@]1(C)C(O)=O)C(O)=O, Molecular C10H16O4Journal, Article, Angewandte Chemie, International Edition called Chiral Reticular Self-Assembly of Achiral AIEgen into Optically Pure Metal-Organic Frameworks (MOFs) with Dual Mechano-Switchable Circularly Polarized Luminescence, Author is Shang, Weili; Zhu, Xuefeng; Liang, Tongling; Du, Cong; Hu, Liangyu; Li, Tiesheng; Liu, Minghua, the main research direction is selfassembly achiral aggregation emitter metalorganic framework circularly polarized luminescence; aggregation-induced emission (AIE); chirality transfer; circularly polarized luminescence; mechano stimuli; metal-organic frameworks (MOFs).Related Products of 560-09-8.

Circularly polarized luminescence (CPL) is attractive in understanding the excited-state chirality and developing advanced materials. A chiral reticular self-assembly strategy to unite achiral AIEgens, chirality donors, and metal ions to fabricate optically pure AIEgen metal-organic frameworks (MOFs) as efficient CPL materials is proposed. CPL activity of the single-crystal AIEgen MOF was generated by the framework-enabled strong emission from AIEgens and through-space chirality transfer from chirality donors to achiral AIEgens via metal-ion bridges. A dual mechano-switched blue and red shifted CPL activity was achieved via ultrasonication and grinding, which enabled the rotation or stacking change of AIEgen rotors with the intact homochiral framework. This work provided not only an insightful view of the aggregation-induced emission (AIE) mechanism, but also an efficient and versatile strategy for the preparation of stimuli-responsive CPL materials.

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Reference:
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