Syntheses and Structure Study on 3,3aλ4,4-Trithia-1-azapentalenes and Their 3-Oxa Analogues-Reference-Cited by-同舟云学术

Syntheses and Structure Study on 3,3aλ4,4-Trithia-1-azapentalenes and Their 3-Oxa Analogues

Published:2003 Issue:7 Volume:68 Page:1243-1263
ISSN:0010-0765
Container-title:Collection of Czechoslovak Chemical Communications
language:en
Short-container-title:Collect. Czech. Chem. Commun.

Author:

Čmelík Richard,Čajan Michal,Marek Jaromír,Pazdera Pavel

Abstract

Reactions of nitrile, amide or ester of 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid 1 with alkylation and acylation agents were studied. "Ionic" 1,2-dithiole amides 6 were formed in several ways. Treatment with phosphorus pentasulfide afforded the corresponding 3,3aλ4,4-trithia-1-azapentalenes 7. Structures of the synthesized heterocycles were studied using a combination of X-ray analysis, IR spectroscopy, and HF and DFT quantum-chemical calculations.

Publisher

Institute of Organic Chemistry & Biochemistry

Subject

General Chemistry

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