Acta Chimica 84. (1975)

1. szám

ACTA CHIMICA TOMUS 84 FASCICULUS 1 FASCICULUS 2 FASCICULUS 3 FASCICULUS 4 INDEX Bebecz, E.: Study of the Viscosity of Metal Chloride-H20 and Metal Chloride-HCl-H20 Systems ..................................................................................................................................................... 353 Beyer, H. Beiträge zur Kenntnis der Krackreaktionen, II. Kinetik der katalytischen Krackung von Propan sowie n-und i-Butan an H-Klinoptilolit (Contribution to the Knowledge of Cracking Reactions, II. Kinetics of the Catalytic Cracking of Propane Further of re- and iso-Butane) .................................................................................. 7 Beyer, H., Papp, J. und Kalló, D.: Irreversibel Strukturveränderungen von H-Faujasit, H-Mordenit und H-Klinoptilolit durch thermische Behandlung und Einwirkung von Wasser (Irreversible Structural Changes of H-Faujasite, H-Mordenite and H-Klinoptilolite by Thermal Treatment and the Action of Water) ...................... 25 BÉKÁSSY, S. s. Heiszman, J. Bognár, R. s. Dávid É. Bognár R. s. Farkas, I. Bognár, R. s. Sztaricskai, F. Bose, A. K. s. Mushran, S. P. Clauder, 0. s. Dóra-Horváth, К. Claudeh, 0. s. Shams El-Dine, Sh. A. Czira, G. s. Dinya, Z. Cyvin, J. s. Cyvin, N. Cyvin, N. Hargittai, M. and Cyvin, J.: On the Ring Puckering of the TrimericTungsten Trioxide Molecule ................................................................................................................................. 55 Cser, F., and Hardy, Gy.: Structural Studies on Polycenaphthylene ............................. 297 Dancsi, L. s. Tamás, J. Dávid, E., Bognár, R.: The Reactivity of the Carbonyl Group in Flavonoid Compounds I. Kinetic Studies on the Formation of 2,4-Dinitrophenyl-hydrazones ................. 335 Deák, Gy., Gáll-Istók, К., Hazai, L.: Synthesis of Arylidene-feis-(Phenyl-acetamides) (Short Communication) ..................................................................................................................... 477 Dinya, Z., Litkei, Gy., Tamás, J. and Czira, G.: Structural Investigation of Flavonides and Their Model Compounds, VII. Calculation and Determination of the Ionization Potential of 4-and 4’-Monosubstituted Chalcones (Short Communication) .......... 181 Dóra-Horváth, К., Clauder, O.: Alkaloids Containing the Indolo [2,3-c]quinazolino [3,2-a] pyridine Skeleton, III. 3,14-Dihydrorutecarpine .............................................. 93 Elkaschef, M. A.-F., Farouk, M. E. Abdel-Megeid, Mokhtar, K.-E. M. and Gad, F. A.: 4-Pyrones, VII. Further Reactions of 4-Pyrones .............................................. 319 Elkaschef, M. A.-F., Farouk M. E. Abdel-Megeid, Salah, M. M. Elzein: Triarylmeth­­anes, VI. Reactions of Naphtoquinone Diphenylmethides with Organometallic Compounds ............................................................................................................................................... 187 Farkas, I., Bognár, R., Menyhért, M. M., Tárnái, A. K.: Selektive Spaltung von Thioglykosiden mit Dichlormethyl-Methyläther (On the Selective Splitting of Thioglycosides with Dichloromethyl-methylether) ................................................................ 325 Farkas, J. s. Kiss, L. Farouk, M. E. Abdel-Megeid. s. Elkaschef, M. A.-F. Fejes, P. s. König, P. Fekete, E. and Inczédy, J.: Ion Exchange Equilibria of Some Monovalent Anions 121

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