Catálogo de libros: Química orgánica

484 Catálogo de libros: Química orgánica

Libros Eliminar filtro Inglés Eliminar filtro Matemáticas y ciencia Eliminar filtro Química Eliminar filtro Química orgánica Eliminar filtro Quitar filtros
  • Study of Claisen rearrangement catalyzed by Bismuth(III) salts
    Topwe Milongwe Mwene-Mbeja
    Among the Lewis acids studied, the hydrated bismuth(III) triflate was widely used because it proved to be more efficient than the other Lewis acids. Its catalytic potential was noted in the Claisen rearrangement of aryl allyl ethers, acetates of Baylis-Hilman adducts, substituted 2-alkoxycarbonyl allyl vinyl ethers and in the [1,3] rearrangement of aryl prenyl ethers. It was al...
    Disponible

    136,20 €

  • Recent Trends of Some Azole Derivatives and Their Biological Activity
    Ewies F. Ewies / Ewies FEwies / Fatma A. A. El-Hag / Fatma AAEl-Hag
    Azoles refers to a big class of heterocyclic compounds that contain non-carbon atom (e.g N, O, S elements) in five-membered ring. Azoles are an important class of heterocycles as a chemical scaffold with interesting biological properties. Hantzsch-Widman nomenclature (a type of systematic chemical nomenclature that used for naming heterocyclic parent) is the origin of their nam...
    Disponible

    69,27 €

  • Trends in Carbohydrate Chemistry
    Dr. M. RAJASEKAR
    In recent years, considerable progress has been made in the synthesis of glycosides. The challenging chemistry, due to its versatility, glycosides play a key role in developing novel materials and biological molecules. The interactions of cell surface carbohydrates, as well as soluble glycoconjugates with their receptor proteins, rule fundamental processes in cell biology. One ...
    Disponible

    60,26 €

  • Phytochemical study and anti-sickle cell activity of the genus Ocimum
    Babady-Bila Philippe / Mpiana Tshimankinda Pius / Tshilanda Dinangayi Dorothée
    The objective of this study is to determine the chemical composition and evaluate the biological activities (antifalcemic, antibacterial and antioxidant activities) of extracts, essential oils and isolated products of O. basilicum, O. canum and O. gratissimum. Chemical screening showed that the three plants have almost the same secondary metabolite profile but in different conc...
    Disponible

    89,11 €

  • Updates on Five Membered Heterocyclic Compounds
    Rajeev Kharb
    Heterocyclic compounds have been explored for their different methods of synthesis by scientific community particularly organic and medicinal chemists because they are present in the clinically used drugs having broad spectrum of pharmacological activities. In this book, sincere efforts have been made for better understanding of structure, chemical reactivity, methods of synthe...
    Disponible

    60,38 €

  • Organic Chemistry & Analytical Chemistry
    Amrut Gaddamwar / Mallikarjun Gundu / Tukaram Chavan
    This book is designed to cover the 'Basics principles Hetero-cyclic Chemistry, Data Analysis, Nomenclature of organic compounds and Hammet equation' Syllabus of M.Sc, B.Sc level courses and NEET,NET,SET,SLET,GATE,TIFR, BARC, NASA, NBRC, NCBI, CCMB, NCBS, IISC, ONGC, DRDO, AIIMS, NTPC, BEL, IGCAR, etc competitive examinations. It provides a very lucid explanation about Basics pr...
    Disponible

    111,77 €

  • Pogostemon benghalensis (Phytochemistry and Biological activity)
    Shankar Bhattarai
    Leaves of P. benghalensis were extracted successively with Petrolium ether, Chloroform, Ethyl acetate, Methanol and 50% aqueous methanol. The extracts were subjected to phytochemical screening. The total phenolic content, total flavonoid content and the total sugar content in the leaf was determined. The antioxidant activity of Methanol and 50% Methanol extract of P. benghalens...
    Disponible

    61,76 €

  • Basic Aspects of Molecular Rearrangements
    J. Jeyasundari / JJeyasundari / K. Saravanadevi / KSaravanadevi / N. Renuga Devi / NRenuga Devi
    A rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule. Often a substituent moves from one atom to another atom in the same molecule. Very often 1,2-shift is noticed. Intermolecular rearrangements also take place. Molecules are stable with low energy in them. This ...
    Disponible

    103,43 €

  • Pharmacological Studies of Root, Fruit and Flower of Berberis Lycium
    Ajay Singh / Mansi Gupta
    This book contains useful experimental study related to medicinal properties in the extracts of Brberis Lycium. GC-MS analysis of different parts (fruit, flower and roots) of Berberis lyceum is included in this work. Berberis Lycium has a potential source of useful drugs on the basis of experimnetal observations . Extensive review of literature (more than 200) have studied and ...
    Disponible

    61,94 €

  • Quantitative Structure Activity Relationships Study of APIQs
    Mukhtaar Sultan
    This book deals with the quantitative structure activity relationship study of cytotoxicity of 8-aminopyrimido(4,5-c)isoquinolinequinone. It consists of 3 chapters: Chapter one shows the important of QSAR , as a computational chemistry tool, and related it with Computer-Aided Drug Design CADD . it talks about the chemistry of quinone beside the anticancer activity of them. Chap...
    Disponible

    97,47 €

  • Synthesis and Anticancer Evaluation of Some Heterocyclic Systems
    Rudraraju Ramesh Raju / Sapavat Madhavi
    Cancer is a group of diseases characterized by the uncontrolled growth and spreadof abnormal cells. If the spread is not controlled, it can result in death. Cancer is causedby external factors, such as tobacco, infectious organisms, and an unhealthy diet, andinternal factors, such as inherited genetic mutations, hormones, and immune conditions.These factors may act together or ...
    Disponible

    85,80 €

  • Production of natural and microbial Pigments and their application
    Ibrahim Abdelsalam / Nagia Ali
    A renewed international interest has focused on natural dyes due to increased awareness of the environmental and health hazards associated with the use of synthetic dyes. there is an interest in the development of pigments obtained from natural sources. Natural dyes are mostly eco-friendly, biodegradable, less toxic, and less allergenic as compared to synthetic dyes. Recent res...
    Disponible

    61,76 €

  • Potentials of Some Nigerian Plant Resources
    Etonihu Anayo Christian
    In the last century, roughly 121 pharmaceutical products were formulated based on the traditional knowledge obtained from difference sources (Mukeshwar et al., 2011). Today, it has been developed as a separate industry as many people prefer herbal medicines to synthetic ones. Over 80,000 species of different plants are in use throughout the world, but more than 500 traditional ...
    Disponible

    60,20 €

  • RECENT DEVELOPMENTS OF DIAZO COMPOUNDS IN ORGANIC SYNTHESIS
    Di Qiu / DI QIU & JIANBO WANG / Jianbo Wang
    Diazo compounds are versatile substances with diverse transformations in organic synthesis and other fields. Studies of diazo compounds have been ongoing for a very long time but still attract significant attention within the organic chemistry community, with new papers related to diazo compounds appearing at a daily pace. Over the past twenty years, there have been over fifty ...
    Disponible

    227,12 €

  • Heterocyclic Compounds (Pyrazolo[1,5-a]pyrimidine and 1,2,4-Triazine)
    Ashraf Sayed Hassan Mohamed
    Heterocyclic compounds especially pyrazolo[1,5-a]pyrimidines and 1,2,4-triazines exhibited various biological and pharmacological applications such as DNA binding, anti-tubercular, antiviral, anti-inflammatory, antioxidant, antimicrobial and anticancer. Therefore, the main objective of this book is to display the synthesis, spectral analysis and biological evaluations of some p...
    Disponible

    71,96 €

  • Stereoselective Total Synthesis of Natural Products
    Pratapa Reddy Bommareddy / Rudraraju Ramesh Raju
    The term 'macrolide' was originally proposed by R. B. Woodward in 1957. Generally, a macrolide is defined as a molecule containing a large lactone ring in its structure and considered to be derived from the corresponding hydroxy acid by internal esterification. This term also refers to medium and large size ring compounds, with respectively, 7-11 and 12 or more atoms in the rin...
    Disponible

    87,11 €

  • Synthesis of Cu-Ni Complexes from Novel 3,5-Dichlorosalicylaldehyde
    A. Arunkumar / AArunkumar / E. Sindhuja / ESindhuja / Y. Sasikumar / YSasikumar
    A new series of mononuclear copper (II) and Nickel (II) Schiff base complexes was synthesized and characterized with various techniques like UV, IR, EPR, Cyclic voltammetry studies. The analytical and spectral data obtained are proposed for the complex structures. Copper (II) and Nickel (II) complexes have distorble square-planar geometry around the central metal atom. The synt...
    Disponible

    60,38 €

  • Effect of different processing methods on Chemical properties of taro
    Nnabuihe Chidinma Favour
    This book is a result of practical research in Food Science and Technology.Cocoyam are the third most important root crop (after yam and cassava) cultivated in West Africa.The major limiting factor in the utilization of cocoyam is the presence of phytochemical and anti-nutrient,which impart taste or cause irritation when foods prepared from them are eaten.The levels of these nu...
    Disponible

    60,58 €

  • Synthesis of Biologically Active Angular Pyranocoumarins
    Priya Joshi
    Coumarins (2H-l-benzopyran-2-ones, 1) are secondary metabolites produced by plants belonging to families like leguminosae, rutaceae, umbelliferae arid compositae. There are lots of controversies regarding the exact role of coumarins in plants but it is known that they act as growth regulators, seed dormancy regulators, bacteriostats, fungistats etc.Many naturally occurring angu...
    Disponible

    60,44 €

  • Objective Chemistry
    Jemin Avalani
    In this book, I have attempt to highlight the concept of organic chemistry relevant to the science students for the preparation of JEE and NEET (UG) examination. I have written this book in a readable and easily understandable way. Numerous MCQs are provided throughout the book. The fundamental of this objective chemistry is written according to the need of all aspirants. We ha...
    Disponible

    60,13 €

  • Synthesis and characterization of a pyrazole derivative-β-CD complex
    Houcine Labiadh / Raoudha Abderrahim / Sonia Louiz
    Amino pyrazole belongs to anti-inflammatory class, and is characterized by a low solubility in water. (In order to increase its solubility in water, inclusion complex of amino pyrazole with β-CD was obtained.)The inclusion complex obtained between AMP and β-cyclodextrin, was characterized by FT-IR, 1H NMR, 1H-1H NOESY, 13C NMR, DEPT, XHCOR, spectra, through TG analysis, DTA, DS...
    Disponible

    60,20 €

  • The instrumental Spectrometric and Spectroscopic Analysis of Natural Food Flavourings
    Dr. Nick Winstone-Cooper / DrNick Winstone-Cooper / Jasmine Tripconey
    This is the second volume in a series of three which takes the reader from the concept of a hard, indivisible atom through to the understanding and application of techniques to identify the precise arrangements of atoms within the molecules responsible for natural food flavourings. This volume (Volume II in the series) builds on the principles discussed and investigated in Vo...
    Disponible

    41,84 €

  • Antimicobial Dyes of Textile and Non Textile Uses
    Hamada Mashaly
    The present work aims at reviewing the major synthesizes and technology development of antimicrobial dyes and their application for high performance and textile added value as well as represents eco-friendly products. The interest of a specific antimicrobial dye depends on its antimicrobial activities on different textile fibres as well as non-textiles. As consequently there wi...
    Disponible

    60,13 €

  • Oxidation of Organic Compounds by Nanocatalysis
    Anamika Srivastava / Ashu Goyal / Manish Srivastava
    The book has been divided into two parts first part of in this book is contain fabrication and characterization of nanocatalysis by different technique such as UV, Zeta Potential, XRD, FESEM and TEM technique. Second part of in this book is containing oxidation of organic compounds such as aromatic hydrocarbons, aromatic alcohols and phenols and carbonyl compounds by cerium sul...
    Disponible

    114,04 €

  • Handbook of Methyl β-D-Galactopyranosides
    Asraful Alam / Dr. S. M. Abe Kawsar / DrSMAbe Kawsar
    Carbohydrates play an essential role in our daily life. The study of carbohydrates is one of the most exciting fields in organic chemistry. Even carbohydrates are key molecules in nature with multiple roles in biological processes. For a long time, carbohydrates have been very attractive field for scientists due to their immense importance in biological systems. They are the so...
    Disponible

    90,91 €

  • Synthesis and Therapeutic Effects of Alkylglycerols
    Dr. René MOMHA / Dr. René Pemha / DrRené Pemha
    The active ingredients in the natural shark liver oil (SLO) mixture were found to be a group of ether-linked glycerol known as alkylglycerols (AKGs). During the last century, initial clinical use of the SLO mixture was for treating leukemias, and later preventing radiation sickness from cancer x-ray therapy. Currently, resistance to the existing drugs and increasing numbers of ...
    Disponible

    45,82 €

  • Synthesis and Biological activities of some Heterocyclics
    Dr Shivani Bansal
    In the present study, a mild and effective method for the preparation of seven novel pyrazolone derivatives employing phenyl thiosemicarbazide and ethyl acetoacetate as the starting materials is described. The synthesized compounds were characterized by spectral data (1 H-NMR, [13]C-NMR, IR, Mass) and elemental analysis. The compounds were subjected to in-vitro antibacterial ac...
    Disponible

    79,00 €

  • Synthesis of Narbonolide, muamvitin and (s) - (5)-[(s)-6-hyrdoxyoctyl]
    A. Kavitha / AKavitha / B. Jagan Mohan Reddy / BJagan Mohan Reddy / K. V. B. Ranjitha / KVBRanjitha
    The present invention provides methods and reagents relating to the PKS gene cluster for the polyketide antibiotics known as narbomycin and picromycin. Narbomycin is produced in Streptomyces narbonensis and both narbomycin and picromycin are produced in S. venezuelae. We have completed the formal synthesis of Narbonolide by using Yamaguchi esterification protocol. Muamvatin rep...
    Disponible

    105,21 €

  • Halogenation of Organic Compounds Using New Reagent Systems
    Sushil Kumar Sharma
    As an effort to remove the use of venomous and expensive organic solvents used in conventional bromination methods, Cetylpyridinium Tribromide (CetPyTB) has been synthesized from a different route and its reactivity premeditated. Its easy method of preparation, mildness and effectiveness in organic reactions such as brominations shows that the Cetylpyridinium Tribromide as a re...
    Disponible

    121,73 €

  • Towards high quality growth and clean transfer of CVD graphene
    Priyanka Gulia / Ranjeet Brajpuriya
    Graphene, discovered in 2004, has created an immense research interests due to its extraordinary and unique properties, which made it as an outstanding material for future device applications. Despite intense interest and remarkably rapid progress in the field of graphene-related research, there is still a long way to go for the widespread implementation of graphene. It is stil...
    Disponible

    57,77 €