Mechanistic Studies/Physical Properties

Keynote; Synthesis and Methodology; Biologically Active Heterocycles/Target Oriented Synthesis ; Computational Heterocyclic Chemistry; Mechanistic Studies/Physical Properties

Substituted 1,3,2,4-Benzodithiadiazines, a Formally Antiaromatic 12 p-Electron Heterocycles: Synthesis and Some Properties Makarov, Alexander Yu.; Bagryanskaya, Irina Yu.; Bagryansky, Victor A.; Gatilov, Yuri V.; Shakirov, Makhmut M.; Zibarev, Andrey V.; Article 021 Received: 13 Apr 1998 keywords: antiaromatic sulfur-nitrogen heterocycles; synthesis; regioselectivity; X-ray structure; heteroatom reactivity;
Synthesis and Cyclizations of N-Sulfonyl 2-Diazo Malonamides Morzherin, Yury Yu.; Rozin, Yury A.; Bakulev, Vasiliy A.; Article 027 Received: 04 May 1998 keywords: Diazo compounds; nitrogen heterocycles;
[1,2,4]Triazolidin-3-ones and -3-thiones with Functionalized 5-Substituents: Synthesis and Rearrangements Schantl, Joachim G.; Lang, Sergius; Poster 047 Received: 12 May 1998 keywords: [1,2,4]Triazolidin-3-one; [1,2,4]Triazolidin-3-thione; Functionalized Substituents; Oxidative Rearrangement; Ring Enlargement; Rearrangement; Oxidation; [1,2,4]Triazole;
Electron Density Distribution in a Chiral Silatrane Pedersen, Bjørn; Wagner, Gabriele; Herrmann, Rudolf; Poster 048 Received: 12 May 1998 keywords: Silatrane; electron density distribution; nonlinear optics; Bader analysis;
¹H and ¹³C NMR Study of Indoloquinolizines Obtained from Tryptamine and Acetylacetaldehyde. Quintanilla-Licea, Ramiro; Rosas-Garcia, Victor; Villarreal-Platas, Esaul; Sarinana-Toledo, Walter; Waksman, Noemi; Caballero, Adolfo; Poster 050 Received: 12 May 1998 keywords: indole alkaloids; antitumor compounds; nitrogen heterocycles; biogenic amines;
On Direct Iodination of Thiophene and Furan Derivatives in the Presence of Zeolites Zubkov, Edward A.; Poster 066 Received: 13 May 1998 keywords: iodination; zeolite; thiophene; furan;
Study Of Microwave Irradiation Synthesis, Solvatochromism And Photosynthetic Activity Of The 2-( 4h-4-Oxo-Benzopyran-3-Yl)Benzothiazolium Salts Lacova, Margita; Gaplovsky, Anton; Kralova, Katarina; Sersen, Frantisek; Chovancova, Jarmila; Klestinec, Mario; Loos, Dusan; Article 085 Received: 14 May 1998 keywords: microwave irradiation; 3-formylchromones;
Rearrangement Reactions of 2-Substituted Cephalosporins Gunda, Tamas E.; Szöke, Gabriella N.; Article 105 Received: 15 May 1998 keywords: cephalosporin; penicillin; beta-lactam antibiotics; rearrangement; pyrrole; dihydro-1,3-oxazin;
Laser Flash Photolysis of s-Triazines Canle L., M.; Fernández, M.I.; Santaballa, J.A.; Steenken, S.; Article 108 Received: 15 May 1998 keywords: s-Triazines, nitrogen heterocycles, photodegradation, herbicides, laser flash photolysis;
Effect of Microwave Irradiation on Condensation of 6-R-3-Formylchromones with some Five-membered Heterocyclic Compounds Gasparova, Renata; Lacova, Margita.; Article 109 Received: 15 May 1998 keywords: 3- formylchromones; microwave irradiation;
Studies on the Rhodium(II)-Catalyzed C-H Insertion Reactions of Diazoacyl Derivatives of (3S)-N-Aryl-3,4-dihydroxy-3,4-O-isopropylidene-1-butanamine and (3S)-3,4- dihydroxy-3,4-O-isopropylidene-1-butanol McLeod, Douglas D.; Wee Andrew G. H.; Poster 117 Received: 15 May 1998 keywords: Rhodium(II); lactam; lactone; C-H insertion; carbenoid; asymmetric induction;
Synthesis and Conformational Characterization of Constrained Dipeptides MacDonald, Mary T; Aubé, Jeffrey .; Article 120 Received: 18 May 1998 keywords: e-aminocaproic acid; b-Turns; hormone-receptor; peptide-enzyme recognition;
Heterocyclic Sulfonamides: Monolayer Film Formation and Nonlinear Optical Properties Kucharski, Stanislaw; Janik Ryszard; Article 122 Received: 20 May 1998 keywords: heterocyclic sulfonamides, monolayer films, nonlinear optical properties, first hyperpolarizability;