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  1. www.desmos.com › cGraphing Calculator - Desmos

    Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

  2. www.sciencedirect.com › science › articleSynthesis and characterization of chitosan- g -glycidyl...

    1 Σεπ 2007 · In the range of 40–70 ppm it is observed a chemical shift for structure of the polysaccharide (chitosan); the peaks at 44.96 ppm are attributed to the C-5 and C-3, for the anomeric carbon C-1 at 67.50 ppm and the sign at 49.28 ppm is attributed to C-4 [41].

  3. pubs.acs.org › toc › orgnd7/25/16Organometallics Vol. 25 No. 16 - ACS Publications

    Read research published in the Organometallics Vol. 25 Issue 16 on ACS Publications, a trusted source for peer-reviewed journals.

  4. pubs.acs.org › doi › 10Rapid Synthesis of Polyprenylated Acylphloroglucinol Analogs via...

    25 Ιουλ 2014 · Herein, we present a biosynthesis-inspired, diversity-oriented synthesis approach for rapid construction of PPAP analogs via double decarboxylative allylation (DcA) of acylphloroglucinol scaffolds to access allyl-desoxyhumulones followed by dearomative conjunctive allylic alkylation (DCAA).

  5. pubs.rsc.org › en › contentChemically bonded maltose via click chemistry as stationary phase...

    First published on 23rd December 2009. Abstract. A HILIC stationary phase was synthesized through bonding maltose on silica particles via click chemistry. A set of representative polar compounds including sugars, amino acids and small peptides were employed to evaluate chromatographic properties of Click Maltose.

  6. www.goldenchemical.com › static › uploadAraldite PZ 3963 apac chi-20180521 - Golden Chemical

    PZ 3963环氧树脂第. 1 页,共. 3 页. 储存储存储存储存爱牢达PZ 3963在室温下储存于原装密封容器时,应当置于干燥并且通风和阴凉的环境中示。. ,不可置于阳光曝晒. ,建议的温度范围为. 2-40. ° C,储存期限参阅外包装标. 操作预防措施操作预防措施操作预防措施操作 ...

  7. www.ncbi.nlm.nih.gov › pmc › articlesLigand-Enabled Pd (II)-Catalyzed β-Methylene C (sp

    11 Νοε 2022 · Herein, we report the first Pd (II)-catalyzed intermolecular β -methylene C (sp 3 )–H arylation of free aliphatic acids, which is enabled by bidentate pyridine-pyridone ligands. The bite angle of this ligand has been discovered to play a key role in promoting β -methylene C–H activation of free carboxylic acid.

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