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    Chapter

    Some Current Concepts of the Chemical Nature of Antigens and Antibodies

    The basic principles of immunological phenomena have developed to a point where antigen-antibody reactions are an integral part of fundamental biochemistry and an important tool for the physical chemist. This ...

    Dan H. Campbell, N. Bulman in Fortschritte der Chemie Organischer Naturs… (1952)

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    Chapter

    Current Theories on the Origin of Life

    To modern scientists, the origin of life seems one of the most difficult of all problems. This was not always so. From classic Greek times until the middle of the 19th century it was generally accepted that li...

    N. H. Horowitz, Stanley L. Miller in Fortschritte der Chemie Organischer Naturs… (1962)

  3. No Access

    Article

    Studies in the benzazole and naphthazole series. VIII. Reaction of 2-hydrazinonaphth[1, 2-d]imidazole and its 1- and 3-methyl derivatives with carbon disulfide

    When heated with carbon disulfide in pyridine 2-hydrazinonaphth[1, 2-d]imidazole yields S-triazolo[4, 3-b]-naphth[1, 2-d]imidazole-3-thione. Kinetic and not steric factors determine the formation of this compo...

    I. N. Getsova, L. L. Sribnaya, N. P. Bednyagina in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Synthesis of potential antagonists to amino acids in the quinoline series

    The following potential antagonists to amino acids were synthesized: β-(6-quinolyl)-α-alanine, β-(8-quinolyl)-α-alanine, and β-(2-phenyl-4-carboxy-6-quinolyl)-α-alanine.

    V. N. Konyukhov, L. N. P'yankova, K. Yu. Bobarykina in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Studies in the furan series. XXXIX. Reaction of furan and 2-methylfuran with acrylonitrile

    Furan undergoes a diene-synthesis type of reaction with acrylonitrile to give stereoisomeric 3, 6-endoxotetrahydrobenzonitriles whose configurations are established by PMR spectra. 2-Methylfuran undergoes a si...

    Yu. K. Yur'ev, N. S. Zefirov, R. A. Ivanova… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Conversion of 2-aminomethylbenzothiazoles into imidazo[5, 1-b]benzothiazoles

    A number of substituted 2-aminomethylbenzothiazoles ate synthesized. The corresponding ureas or thioureas are also obtained by reaction with arylisocyanates or arylisothiocyanates. Heating the substituted urea...

    V. V. Avidon, M. N. Shchukina in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Infrared spectra of pyrroles and dipyrrylmethanes

    The IR spectra of 18 substituted pyrroles and 6 substituted dipyrrylmethanes are investigated. It is shown that the position of the valence vibrations frequency of the free NH group, νfree NH depends on the numbe...

    A. F. Mironov, L. D. Miroshnichenko… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    3, 6-endoxocyclohexanes and -cyclohexenes. XXV. Some reactions of dimethyl 4,5-(1-benzyl-1, 2, 3-triazoline)-3, 6-endoxohexahydrophthalate

    The anhydride and dimethyl ester of 4, 5-(1-benzyl-1, 2, 3-triazoline)-3, 6-endohexahydrophthalic acid, having a triazoline ring with an exo-cis configuration, are synthesized by reaction of benzyl azide with ...

    N. S. Zefirov, P. P. Kadzyauskas, Yu. K. Yur'ev in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Studies of 1-azabicyclic compounds. III. The mannich reaction with 1, 2-dihydropyrrolizines

    1, 2-Dihydropyrrolizines with position 5 unsubstituted react with aliphatic and cyclic secondary amines under mild conditions to give Mannich bases. The picrates are prepared, and some physical properties of t...

    A. A. Ponomarev, L. N. Astakhova, V. I. Simontsev in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Study of the reactivity of the methylene hydrogen atoms of some azolidines. III. Kinetics of the reaction of azolidones-4 with benzaldehyde

    UV spectroscopy is used to study the kinetics of formation of 5-benzylideneazolidones-4. The reaction is shown to be irreversible and follows a second-order equation. The effect of various hetero atoms (sulfur...

    S. N. Baranov, I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Studies of pyrazoles. XLVI. Synthesis of pyrazolo pyridones

    Cyclizations of acetoacetamidopyrazoles and of appropriate aminopyrazole crotonates to pyrazolopyridines with a hydroxy group in the pyridine ring are effected. In the case of an amino group at position 5 in t...

    S. V. Tabak, I. I. Grandberg, A. N. Kost in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Indole derivatives. XXIII. 3-Indolylethylene glycol

    Lithium aluminum hydride reduction at room temperature of 3-hydroxyacetylindole and 3-benzyloxyacetylindole in tetrahydrofuran gives, respectively, 3-indolyethyleneglycol and 3-indolylethylene glycol monobenzy...

    N. N. Suvorov, K. B. Kholodkovskaya… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Absorption spectra of some imidazolid-4-one derivatives, the dimerocyanines. IV. Effect of temperature on dye absorption spectrum in the visible region

    Observation at different temperatures of uv absorption spectra of a number of imidazolid-4-one derivatives, dimerocyanines, shows that change in temperature of the solution causes considerable alterations in t...

    Yu. Sh. Moshkovskii, T. N. Ignatovich… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Hydrazinolysis of some quinazolones

    S. L. Mertsalov, N. N. Vereshchagina… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Benz- and naphthazole research. XI. Formazanes of the naphth[1,2-d]imidazole series

    Like 1-alkyl-2-hydrazinobenzimidazoles, 2-hydrazinonaphth[1,2-d]imidazole and 1-methyl- or 3-methyl-2-hydrazinonaphth[1, 2-d]imidazoles, when dissolved in dry alcohols, undergo autoxidation to 1, 5-dinaphth[1,...

    I. N. Getsova, N. P. Bednyagina in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Atranes. V. Proton magnetic resonance spectra of organyl and organoxysilatranes

    The proton magnetic resonance spectra of eight organyl- and organoxysilatranes, (R = CH3, C2H5, i-C3H7, CH2=CH, C6H5, CH3O, C2H5O, n-C3H

    A. N. Egorochkin, V. A. Pestunovich, M. G. Voronkov… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Studies in the benz- and naphthazole series. XII. Synthesis and reduction of 1,5-di(1′-benzylbenzimidazolyl-2′)-3-methylformazane

    The structure of 1, 5-di(1′-benzylbenzimidazolyl-2)-3-methylformazan, previously obtained as a result of the autoxidation of 1-benzyl-2-hydrazinobenzimidazole in ethanol, is confirmed by synthesis from 1-benzy...

    Yu. A. Rybakova, N. P. Bednyagina in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Synthesis in the fields of 5-nitrofuryl-2-polyalkenals and 5-nitrofuryl-2-polyalkenones. VII. Synthesis and investigation of the antibacterial properties of derivatives of α,β-unsaturated and polyene aldehydes and ketones of the 5-nitrofuran series

    Antibacterial properties and toxicities were determined for 66 compounds of the 5-nitrofuran type to ascertain the connection between structure and biological activity.

    S. A. Giller, S. P. Zaeva, K. K. Venter… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Substituted lactones and their transformations; IV. Hydrogenation of substituted lactones to alkyltetrahydrofurans

    To make a comparative study of the connection between odor and structure in the alkyl-γ-butyrolactone and alkyltetrahydrofuran series, α-,γ-, and α,γ-dialkylbutyrolactones are hydrogenated over copper-chromium ca...

    V. M. Dashunin, R. V. Maeva, G. A. Samotuga… in Chemistry of Heterocyclic Compounds (1965)

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    Article

    Phenothiazine syntheses. XVIII. 2-Aminophenothiazine derivatives

    2-(α-chloroacetylamido)-2-(β-chloropropionylamido)-2-(benzylideneamino)- and 2-(o-hydroxybenzyllideneamino)phenothiazines are synthesized and reduced by lithium aluminum hydride to 2-ethylamino-, 2-propylamino-, ...

    S. V. Zhuravlev, A. N. Gritsenko in Chemistry of Heterocyclic Compounds (1965)

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