echet98 ConferenceMechanistic 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;