Events The 2nd International Electronic Conference on Synthetic Organic Chemistry

Event submissions

Published

This submission belongs to the session a. General Organic Synthesis of the event The 2nd International Electronic Conference on Synthetic Organic Chemistry

Published date

01 Nov, 1998

Citation

Margita Lacova, Dusan Loos, Jarmila Chovancova, Stefan Spisiak, Anna Fabiane, A Simple Synthesis of the Aryloxy- or Arylthio- derivatives of 2-Benzothiazolyl Stilbenes, in Proceedings of The 2nd International Electronic Conference on Synthetic Organic Chemistry, 1 November–30 November 1998, MDPI: Basel, Switzerland, doi: 10.3390/ecsoc-2-01683

Facebook

Twitter

A Simple Synthesis of the Aryloxy- or Arylthio- derivatives of 2-Benzothiazolyl Stilbenes

Margita Lacova ¹

Dusan Loos ²

Jarmila Chovancova ¹

Stefan Spisiak ³

Anna Fabiane ¹

1. Department of Organic chemistry, Faculty of Science, Comenius University, SK-842 15 Bratislava, Slovakia

2. Institute of Chemistry, Faculty of Science Comenius University, SK- 84215 Bratislava, Slovakia

3. Biotika, a.s., Slovenska Lupca, Slovakia

Abstract

Synthesis of 2-(b -(aryl-X)styryl)benzothiazoles (2a - 2z) (X = 0, O, S) from aromatic or heterocyclic aldehydes and 2-naphthylmethyl-, 2-aryloxymethyl- or 2-arylthiomethyl benzothiazoles is reported. Phthalides 4a - 4f were prepared by Gabriel modification of Perkin synthesis. Products were confirmed by NMR spectral and elemental analysis. Prepared compounds were tested on herbicidal and growth - regulating activity. The semiempirical AM1 quantum - chemical method has been used to study an optimal conformation and heats of formation.

Keywords

Aryloxymethylbenzothiazoles

Arylthiomethylbenzothiazoles

Aldol Condensation

Phthalides

AM1 Semiempirical calculations.

Synthetic and Kinetic Study of the Reaction of 3-Formylchromones with Aromatic Amino Acids

Divinylamines: Synthesis and Conversion into Azepine Derivatives