Skip to the main content

Original scientific paper

Diastereoselective Synthesis and Conformation of trans-2;3-Dibenzoyl-1;4-dithiacyclohepta

Issa Yavari
Rahebeh Amiri
Mina Haghdadi


Full text: english pdf 163 Kb

versions

page 25-28

downloads: 955

cite


Abstract

The reaction of dibenzoylacetylene and propane-1,3-dithiol in the presence of triphenylphosphine
leads to diastereoselective synthesis of the mesocyclic dithioether trans-2,3-dibenzoyl-
1,4-dithiacycloheptane in 70 % yield. The results of ab initio calculations at HF/6-31G* level
show that the trans isomer is 31.3 kJ mol–1 more stable than the cis geometry.

Keywords

dibenzoylacetylene; diastereoselective synthesis; 1,4-dithiacycloheptane; mesocyclic polythioether; ab initio calculations

Hrčak ID:

12811

URI

https://hrcak.srce.hr/12811

Publication date:

11.3.2007.

Visits: 1.606 *