Title of article :
A convenient and improved synthesis of dithieno[3,2-b:2′,3′-d]thiophene
Author/Authors :
M. Allared، نويسنده , , Fredrik and Hellberg، نويسنده , , Jonas and Remonen، نويسنده , , Tommi، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2002
Abstract :
An improved synthesis of dithieno[3,2-b:2′,3′-d]thiophene 1 is presented. By starting from 2,3-dibromothiophene 2 the total yield was improved from 35 to 58%. We also describe a more convenient synthesis of one of the reagents, benzenesulfonic acid thioanhydride 3.
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
