Tag: M.W:200-300

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Coordination Chemistry called Synthesis and catalytic performance of a soluble asymmetric zinc phthalocyanine, Author is Guo, Shanlei; Li, Dongni; Gao, Bo; Li, Yanhui; Zhang, Haotian; Li, Yanwei; Duan, Qian, which mentions a compound: 17739-45-6, SMILESS is BrCCOC1CCCCO1, Molecular C7H13BrO2, Related Products of 17739-45-6.

The soluble asym. phthalocyanine (Pc) (ZnPc-OH) was synthesized and used as a photosensitizer to degrade water pollutants. The catalytic ability of zinc Pc was proved by degrading Rhodamine B. ZnPc-OH, which has good solubility, can be used in photodynamic therapy.

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

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: 17739-45-6, is researched, Molecular C7H13BrO2, about Regioselective Tandem C-H Alkylation/Coupling Reaction of ortho-Iodophenylethylenes via C,C-Pallada(II)cycles, the main research direction is styrene iodo regioselective diastereoselective alkylation nucleophilic substitution palladacycle pyridone.SDS of cas: 17739-45-6.

Five-membered C,C-pallada(II)cycles are a unique class of diorganopalladium species with favorable stability and an electron-rich nature, leading to efficient sequential reactions with diverse electrophiles and nucleophiles. Specifically, the development of aryl-alkenyl-palladacycle-based transformations could provide an attractive approach with regio- and stereocontrol for the construction of multifunctionalized arylethylenes. However, currently, the C,C-pallada(II)cycle formation relies on a rigid skeleton or steric congestion in the backbone to promote cyclopalladation, and the formation of aryl-alkenyl-palladacycle without an α-substituent has not been achieved. Furthermore, reactions that could discriminate between the two sp2 carbon centers of such C(sp2),C(sp2)-palladacycle remain elusive. Herein, a regioselective three-component tandem alkylation/coupling reaction applicable for a variety of non-, α-, or β-substituted and α,β-disubstituted ortho-iodophenylethylenes is reported. Electron-rich 2-pyridone ligands are employed to enable the cyclopalladation process leading to aryl-alkenyl-palladacycle intermediates, of which the two C-Pd bonds are discriminated toward alkylation by their inherent steric and electronic differences. Good linear free-energy relationships between regio-/chemoselectivities and Hammett σ values are observed

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Sphingomonas montanisoli sp. nov., isolated from mountain soil, published in 2020, which mentions a compound: 17739-45-6, mainly applied to Sphingomonas mountain soil phenotype phylogenetic; Lysobacter alkalisoli sp. nov.; chitin; degradation; polyphasic analysis; saline soil, COA of Formula: C7H13BrO2.

A soil bacterium, designated ZX9611T, was isolated from Taihang Mountain in Henan province, PR China. The strain was Gram-stain-neg. and strictly aerobic. The cells were motile, rod-shaped and formed light pink-colored colonies. The 16S rRNA gene sequence of ZX9611T shared the highest similarities with those of Sphingomonas crocodyli CCP-7T (97.0%), Sphingomonas jatrophae S5-249T (96.6%) and Sphingomonas starnbergensis 382T (95.9%). Phylogenetic analyses based on 16S rRNA gene sequences demonstrated that ZX9611T clustered with S. crocodyli CCP-7T, S. jatrophae S5-249T and S. starnbergensis 382T. The average nucleotide identity (ANI) values between ZX9611T and two type strains (S. crocodyli BCRC 81096T and S. jatrophae DSM 27345T) were 88.3 and 68.6% resp. ZX9611T exhibited genome-sequence-based digital DNA-DNA hybridization (dDDH) values of 53.3% and 15.3%, compared with S. crocodyli BCRC 81096T and S. jatrophae DSM 27345T, resp. ZX9611T had a genome size of 4.12 Mb and an average DNA G + C content of 64.8%. ZX9611T had major fatty acids (>5%) including summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c), C14 : 0 2-OH, C16 : 0 and summed feature 3 (C16 : 1 ω7c and/or C16 : 1 ω6c), and the major polyamine was sym-homospermidine. The only respiratory quinone was ubiquinone-10. The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and sphingoglycolipid. On the basis of phenotypic, chemotaxonomic and phylogenetic characteristics, strain ZX9611T represents a novel species of genus Sphingomonas, for which the name Sphingomonas montanisoli sp. nov. is proposed. The type strain is ZX9611T (= KCTC 72622T = CCTCC AB 2019350T).

Compound(17739-45-6)COA of Formula: C7H13BrO2 received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(2-(2-Bromoethoxy)tetrahydro-2H-pyran), if you are interested, you can check out my other related articles.

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Multifunctional nanoassemblies target bacterial lipopolysaccharides for enhanced antimicrobial DNA delivery, published in 2020-11-30, which mentions a compound: 17739-45-6, Name is 2-(2-Bromoethoxy)tetrahydro-2H-pyran, Molecular C7H13BrO2, Name: 2-(2-Bromoethoxy)tetrahydro-2H-pyran.

The development of new therapeutic strategies against multidrug resistant Gram-neg. bacteria is a major challenge for pharmaceutical research. Here, we explore the multifunctional therapeutic potential of nanostructured self-assemblies from a cationic bolaamphiphile, which target bacterial lipopolysaccharides (LPSs) and associates with an anti-bacterial nucleic acid to form nanoplexes with therapeutic efficacy against Gram-neg. bacteria. To understand the mechanistic details of these multifunctional antimicrobial-anti-inflammatory properties, we performed a fundamental study, comparing the interaction of these nanostructured therapeutics with synthetic biomimetic bacterial membranes and live bacterial cells. Combining a wide range of exptl. techniques (Confocal Microscopy, Fluorescence Correlation Spectroscopy, Microfluidics, NMR, LPS binding assays), we demonstrate that the LPS targeting capacity of the bolaamphiphile self-assemblies, comparable to that exerted by Polymixin B, is a key feature of these nanoplexes and one that permits entry of therapeutic nucleic acids in Gram-neg. bacteria. These findings enable a new approach to the design of efficient multifunctional therapeutics with combined antimicrobial and anti-inflammatory effects and have therefore the potential to broadly impact fundamental and applied research on self-assembled nano-sized antibacterials for antibiotic resistant infections.

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Enantioselective Synthesis of Ozanimod, the Active Pharmaceutical Ingredient of a New Drug for Multiple Sclerosis, published in 2021-03-22, which mentions a compound: 17739-45-6, Name is 2-(2-Bromoethoxy)tetrahydro-2H-pyran, Molecular C7H13BrO2, Formula: C7H13BrO2.

We report here a short enantioselective synthesis of Ozanimod (I), a potent modulator of the enzyme Sphingosine-1-phosphate receptor (S1PR), recently approved by FDA and EMA for the treatment of relapsing-remitting multiple sclerosis. Amongst different synthetic approaches explored, we achieved the best result introducing the stereogenic center in the last step through imine asym. transfer hydrogenation (ATH) using Wills’ catalysts. Besides the reduced numbers of enantiomeric purity controls required, this process culminates in an exceptionally high enantioselective reductive amination obtained with com. available tethered Ru catalysts. Starting from com. available 4-cyano-indanone, enantiomerically pure Ozanimod was obtained in 5 steps in 62% overall yield and 99% ee.

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called New GSH-responsive amphiphilic zinc(II) phthalocyanine micelles as efficient drug carriers for combinatorial cancer therapy, published in 2021-03-31, which mentions a compound: 17739-45-6, Name is 2-(2-Bromoethoxy)tetrahydro-2H-pyran, Molecular C7H13BrO2, HPLC of Formula: 17739-45-6.

Combination therapies for the treatment of cancer have attracted wide attention. The poor selectivity and biocompatibility of photosensitizers (PS) limit the use of combination therapies in chemotherapy and photodynamic therapy (PDT) for cancer. In this work, the Gender PS (mPEG-b-PLA-S-S-ZnPC), asym. zinc(II) phthalocyanine (ZnPC) and mono-methoxy oxygen-based polyethylene glycol-polylactic acid (mPEG-b-PLA) were designed and synthesized for PDT through disulfide bond (-S-S-). The amphipathic PS could be self-assembled into a micelle in aqueous solution, and paclitaxel (PTX) was encapsulated in the core of the micelle for chemotherapy (PTX/mPEG-b-PLA-S-S-ZnPc). The PTX/mPEG-b-PLA-S-S-ZnPc micelle was spherical with a uniform diameter of about 184 nm. At the first 48 h, the release behaviors of ZnPC and PTX at 10 mmol / L GSH were 30% and 75.2%, resp. These results suggested that GSH-responsive PTX/mPEG-b-PLA-S-S-ZnPc micelle was an active ingredient in combination therapies for cancer.

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2-(2-Bromoethoxy)tetrahydro-2H-pyran, is researched, Molecular C7H13BrO2, CAS is 17739-45-6, about Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes, the main research direction is chiral fused homopropargylic alc preparation enantioselective density functional theory; propargylic aldehyde intramol addition gold bifunctional phosphine ligand catalyst.Recommanded Product: 2-(2-Bromoethoxy)tetrahydro-2H-pyran.

The asym. one-step net addition of unactivated propargylic C-H bonds to aldehydes such as 7-(dimethyl(phenyl)silyl)hept-6-ynal, 4-(benzyloxy)-7-(tert-butyldimethylsilyl)hept-6-ynal, 7-(tert-Butyldimethylsilyl)-2-phenylhept-6-ynal, etc. leads to an atom-economic construction of versatile chiral homopropargylic alcs. e.g., I, but has not yet been realized. Here, implementation in an intramol. manner under mild reaction conditions have been showed. This chem.-via cooperative gold catalysis enabled by chiral bifunctional phosphine ligands (1R/1S)-II (R = Me, Cy; R1 = H, Me)-achieves asym. catalytic deprotonation of propargylic C-H (pKa > 30) by a tertiary amine group (pKa ≈ 10) of the ligand in the presence of much more acidic aldehydic α-hydrogens (pKa ≈ 17). The reaction exhibits a broad scope and readily accommodates various functional groups. The cyclopentane/cyclohexane-fused homopropargylic alc. products e.g., III are formed with excellent enantiomeric excesses and high trans-selectivities with or without a preexisting substrate chiral center. D. functional theory studies of the reaction support the conceived reaction mechanism and the calculated energetics corroborate the observed stereoselectivity and confirm addnl. metal-ligand cooperation.

From this literature《Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes》,we know some information about this compound(17739-45-6)Recommanded Product: 2-(2-Bromoethoxy)tetrahydro-2H-pyran, but this is not all information, there are many literatures related to this compound(17739-45-6).

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

Computed Properties of C7H13BrO2. 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: 2-(2-Bromoethoxy)tetrahydro-2H-pyran, is researched, Molecular C7H13BrO2, CAS is 17739-45-6, about Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes. Author is Li, Ting; Cheng, Xinpeng; Qian, Pengcheng; Zhang, Liming.

The asym. one-step net addition of unactivated propargylic C-H bonds to aldehydes such as 7-(dimethyl(phenyl)silyl)hept-6-ynal, 4-(benzyloxy)-7-(tert-butyldimethylsilyl)hept-6-ynal, 7-(tert-Butyldimethylsilyl)-2-phenylhept-6-ynal, etc. leads to an atom-economic construction of versatile chiral homopropargylic alcs. e.g., I, but has not yet been realized. Here, implementation in an intramol. manner under mild reaction conditions have been showed. This chem.-via cooperative gold catalysis enabled by chiral bifunctional phosphine ligands (1R/1S)-II (R = Me, Cy; R1 = H, Me)-achieves asym. catalytic deprotonation of propargylic C-H (pKa > 30) by a tertiary amine group (pKa ≈ 10) of the ligand in the presence of much more acidic aldehydic α-hydrogens (pKa ≈ 17). The reaction exhibits a broad scope and readily accommodates various functional groups. The cyclopentane/cyclohexane-fused homopropargylic alc. products e.g., III are formed with excellent enantiomeric excesses and high trans-selectivities with or without a preexisting substrate chiral center. D. functional theory studies of the reaction support the conceived reaction mechanism and the calculated energetics corroborate the observed stereoselectivity and confirm addnl. metal-ligand cooperation.

From this literature《Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes》,we know some information about this compound(17739-45-6)Computed Properties of C7H13BrO2, but this is not all information, there are many literatures related to this compound(17739-45-6).

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

Synthetic Route of C7H13BrO2. 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: 2-(2-Bromoethoxy)tetrahydro-2H-pyran, is researched, Molecular C7H13BrO2, CAS is 17739-45-6, about New GSH-responsive amphiphilic zinc(II) phthalocyanine micelles as efficient drug carriers for combinatorial cancer therapy. Author is Guo, Shanlei; Gao, Bo; Li, Dongni.

Combination therapies for the treatment of cancer have attracted wide attention. The poor selectivity and biocompatibility of photosensitizers (PS) limit the use of combination therapies in chemotherapy and photodynamic therapy (PDT) for cancer. In this work, the Gender PS (mPEG-b-PLA-S-S-ZnPC), asym. zinc(II) phthalocyanine (ZnPC) and mono-methoxy oxygen-based polyethylene glycol-polylactic acid (mPEG-b-PLA) were designed and synthesized for PDT through disulfide bond (-S-S-). The amphipathic PS could be self-assembled into a micelle in aqueous solution, and paclitaxel (PTX) was encapsulated in the core of the micelle for chemotherapy (PTX/mPEG-b-PLA-S-S-ZnPc). The PTX/mPEG-b-PLA-S-S-ZnPc micelle was spherical with a uniform diameter of about 184 nm. At the first 48 h, the release behaviors of ZnPC and PTX at 10 mmol / L GSH were 30% and 75.2%, resp. These results suggested that GSH-responsive PTX/mPEG-b-PLA-S-S-ZnPc micelle was an active ingredient in combination therapies for cancer.

From this literature《New GSH-responsive amphiphilic zinc(II) phthalocyanine micelles as efficient drug carriers for combinatorial cancer therapy》,we know some information about this compound(17739-45-6)Synthetic Route of C7H13BrO2, but this is not all information, there are many literatures related to this compound(17739-45-6).

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

Li, Ting; Cheng, Xinpeng; Qian, Pengcheng; Zhang, Liming published the article 《Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes》. Keywords: chiral fused homopropargylic alc preparation enantioselective density functional theory; propargylic aldehyde intramol addition gold bifunctional phosphine ligand catalyst.They researched the compound: 2-(2-Bromoethoxy)tetrahydro-2H-pyran( cas:17739-45-6 ).Computed Properties of C7H13BrO2. 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:17739-45-6) here.

The asym. one-step net addition of unactivated propargylic C-H bonds to aldehydes such as 7-(dimethyl(phenyl)silyl)hept-6-ynal, 4-(benzyloxy)-7-(tert-butyldimethylsilyl)hept-6-ynal, 7-(tert-Butyldimethylsilyl)-2-phenylhept-6-ynal, etc. leads to an atom-economic construction of versatile chiral homopropargylic alcs. e.g., I, but has not yet been realized. Here, implementation in an intramol. manner under mild reaction conditions have been showed. This chem.-via cooperative gold catalysis enabled by chiral bifunctional phosphine ligands (1R/1S)-II (R = Me, Cy; R1 = H, Me)-achieves asym. catalytic deprotonation of propargylic C-H (pKa > 30) by a tertiary amine group (pKa ≈ 10) of the ligand in the presence of much more acidic aldehydic α-hydrogens (pKa ≈ 17). The reaction exhibits a broad scope and readily accommodates various functional groups. The cyclopentane/cyclohexane-fused homopropargylic alc. products e.g., III are formed with excellent enantiomeric excesses and high trans-selectivities with or without a preexisting substrate chiral center. D. functional theory studies of the reaction support the conceived reaction mechanism and the calculated energetics corroborate the observed stereoselectivity and confirm addnl. metal-ligand cooperation.

From this literature《Gold-catalysed asymmetric net addition of unactivated propargylic C-H bonds to tethered aldehydes》,we know some information about this compound(17739-45-6)Computed Properties of C7H13BrO2, but this is not all information, there are many literatures related to this compound(17739-45-6).

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem