Acta Chimica 68. (1971)

1-2. szám

ACTA CH IM ICA TOMUS 68 Fasciculi 1 — 2: 1971 Fasciculus 3: 1971 Fasciculus 4: 1971 INDEX Baláspiri, L. s. Sipos Gy. Bende, Z. s. Csűrös, Z. Bitter, I. s. Csűrös, Z. Bognár. R., Litkei, Gy. and Szigeti, P.: Flavonoids, XXI. Investigations on Substituted Chalconc Aziridines. Preparation of N-Substituted-3-Arainoflavanones. (Prelimi­nary Communication)........................................................................................................................... 421 book reviews 425 Csűrös, Z., Soós, R., Bitter, I. and Bende, Z.: Thermal Dissociation of Urea Deriv­atives, I ...................................................................................................................................................... 281 Csűrös, Z., Soós, R., Pálinkás, J. und Bitter, I.: Anwendung von Amidchloriden in Ringschlußreaktionen, II. Synthese von Thieno(2,3-d)-4(3H)-Pyrimidinonen. (The Use of Amide Chlorides in Ring Closure Reactions, II. Synthesis of Thieno(2,3-d)­­-4(3H) Pyrimidinon)................................................................................................................................ 39Î Dévay, J. s. Lengyel, В. jr. Dobos, S.: Umwandlungen der Netzwerkstruktur in der Oberflächenschicht von Silikat­gläsern. (Transformations of Skeleton Structures in the Surface Layer of Silicate Glasses) ........................................................................................................................................................ 371 Farkas, J. s. Kiss, L. Fábián-Mohai, M., Upor, E. and Nagy, Gy.: Determination of Small Quantities of Euro­pium ............................................................................................................................................................... 1 Fischer, J. G. and Mikite, Gy.: Application of the Modified von Braun Déméthylation Procedure, I. Grignard Reactions of Aminoketones; Preparation of 3-Substituted Tropan-3-ols .............................................................................................................................................. 267 Fischer, J. G. and Mikite, Gy.: Application of the Modified von Braun Déméthylation Procedure, II. A New Method of Preparation of Nortropinone........................................ 275 Gergely, A. and Nagypál, L: A Critical Examination of the Stability Constants of Some Lanthanide-a-Hydroxycarboxylic Acid Complexes .................................................... 197 Gergely, A., Nagypál, I. and Király, В.: Equilibria of a-Amino-Acid Complexes of Transition Metal Ions, IV. Stability Constants, Enthalpy and Entropy Changes of the Alanine, Phenylalanine and Tyrosine Complexes..................................................... 285 Halász, L. s. Mondvai, I. Hideg, К. s. Hideg-Hankovszky, O. Hideg-Hankovszky, O. and Hideg, K.: Benzazepines, IV. Synthesis of Dihydro-[1,5]­­benzazothiazepines by the Reaction of o-Aminobenzenethiol with a,/l-Unsaturated Ketones ...................................................................................................................................................... 403 Horányi, Gy., Solt, J. and Nagy, F.: Investigation of Adsorption Phenomena on Pla­tinized Platinum Electrodes by Tracer Methods, V. The Potential Dependence of Chloride Ion Adsorption ...................................................................................... 29

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