Cover Page

Theoretical Study of Triafulvene, Fulvene, Heptafulvene, and Their 0- and N-Heteroanalogs

Sablji？, A.,Trinajsti？, N.

Kinetics of Cyclization of 2-(N-B-Bromoethyl)-amino-5-substituted Benzophenones into 1,4-Benzodiazepines

Decorte, E.,Kajfe？, F.,Klasinc, L.,Kuftinec, J.,Mihali？, M.,？unji？, V.

Errata

Electron Paramagnetic Study of Spin Labelled Molecule on Colloidal Surfaces

Soria Ruiz, J.,Turkevich, J.

The Determinant of the Adjacency Matrix of the Graph of a Conjugated Molecule

Graovac, A .,Gutman, I.

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Beitrag zur Kenntnis des Systems Quecksilber-Calcium

Ban, Z.,Pu？elj, M.

Potentiometric Study of Acid-Base Interactions in Acetonitrile

El-Harakany, A. A.,Halaka, F. G.,Jasinski, T.,Sadek, H.

Table of Contents

Information

Errata

N-Aryl Hydroxamic Acids as Gravimetric Reagents for Niobium and Tantalum

Agrawal, S. K.,Chandravanshi, B. S .,Gupta, V. K.

B-Alanine, Y-Aminobutyric Acid Analog of Bradykinin

Topi？-Buli？, M.,？kari？, V .,？kari？, ？.

Ferrocene Compounds. VIII. The Stobbe Condensations of Acylferrocenes with Diethyl Succinate

La？an, M.,Rapi？, V.

Photoelectron Spectroscopy of 9-Substituted Anthracenes

Gusten, H.,KLasinc, L.,Kova？, B.,Schoof, S.

Contents and Index Vol. 51

Bibliographia Chemica Croatica

Synthesis of Isomeric Hexahydro- and Perhydroisoindol-1-ones

Frga？i？, D.,Turjak-Zebi？, V.,？kari？, V.

Table of Contents

Letter from the CAS Editor

PMO Calculations for the Regiochemistry of 1,3-Cycloadditions of 3,5-Dichloro-2,4,6-trimethylbenzonitrile Oxide to Thiophen, Furan, Benzothiophen, and Benzofuran

Beltrame, P. L.,Cattania, M. G.,Zecchi, G.

Some Platinum Group. Metal Complexes of Substituted Thiosemicarbazones

Jain, M. C.,Jain, P. C.,Sharma, R. K.

Apparently Opposing Effects of Temperature and Guanidinium Chloride in the Denaturation of Ribonuclease A

Guben？ek, F.,Lapanje, S.,Prijon, R.

Some Aspects of Isokinetic Law and Compensation Effect in Organophosphorus Compounds. Part II. Correlation Analysis of O-Alkyl-S-2-Dimethylaminoethyl Methylphosphonothiolates and Their Tetraalkylammonio Derivatives

Mini？, D.

Ferrocene Compounds. VII. The Stobbe Condensation of Formylferrocene with Diethyl Glutarate

La？an, M.,Rapi？, V.

Impressum

Announcements

Book Reviews

Cover Page

Book Reviews

HRVATSKO KEMIJSKO DRU？TVO Redovita Godi？nja skup？tina

Announcements

Impressum

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Information Theory in Describing the Electronic Structures of Atoms

Bonchev, D.,Kamenska, V.

Photoelektronenspektren substituierter Pyridine und Benzole und ihre Interpretation durch die CNDO/SWW-Methode

Klasinc, L.,Kluge, G.,Novak, I.,Scholz, M.

Announcements

Radiometric Analysis of Silver Iodide Sols

Despotovi？, Lj. A.,Despotovi？, R.,Despotovi？, Z.,Filipovi？-Vincekovi？, N.,Grabari？, Z.,Kapetanovi？, J.,Mayer-？itnik, D.,Popovi？, S.,Prodanovi？, L.,Selir, Z.,Suboti？, B.,Toma？, B.,？av？i？, D.,？ebulc, M.,？tengl, V.

Chromatography of Indole Derivatives on Sephadex G-15

Iskri？, S.,Kveder, S.,Magnus, V.

Viscosimetric Determination of Latex Coagulation

Jal？enjak, I.,Petres, J . J.,？tivi？, I.

Impressum

The Structure and Mechanism of Cytochrome P450

Ruf, H. H.,Ullrich, V.,Wende, P.

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Differentiation Between Type I and Type II Substrate Binding to Cytochrome P450 by Temperature Studies

Buder, E.,Janig, G.-R.,Misselwitz, R.,Rein, H.,Ruckpaul, K.,Zirwer, D.

Mechanism of Oxygen Activation in Hydroxylation Reactions Involving Cytochrome P450

Akhrem, A. A.,Bielski, S. M.,Kiselev, P. A.,Metelitza, D. I.,Skurko, M. E.,Usanov, S. A.

2-Acetamido-2-deoxy-D-mannono-1,5-lactone: Synthesis and Inhibition of 2-Acetamido-2-deoxy-'B-D-glucosidase

Pokorny, M.,Pravdi？, N.

Reactions with 1-Benzotriazolecarboxylic Acid Chloride. I. Synthesis of the 2,6-Bis(hydroxymethyl)pyridinedicarbamates

Butula, I.,Pro？tenik, M. V.,Vela, V.

Conclusion

Chemistry of 2,4-Dioxothiazolidine. II. Ammonolysis of 2,4 Dioxothiazolidine and its Derivatives

Jeremi？, D.,Pergal, M.,Popov-Pergal, K.