N-SUBSTITUTED-2-THIOPHENEALDEHYDE AMIDINOHYDRAZONE-7,7,8,8-TETRACYANOQUINODIMETHANE COMPLEX SALTS AND PRODUCTION THEREOF

摘要

NEW MATERIAL:The compound of formula I (R is 1-6C alkyl; m is positive number corresponding to the molar number of neutral 7,7,8,8- tetracyanoquinodimethane included in 1mol of the complex salt and is 0.5-1.5). EXAMPLE:N-methyl-2-thiophenealdehyde amidinohydrazone.quaternary ammonium.7,7,8,8-tetracyanoquinodimethane complex salt. USE:Organic semiconductor useful as an electrically conductive material in the field of electronic apparatus and electronic material. PREPARATION:The compound of formula I can be produced by reacting an N-substituted-2-thiophenealdehyde amidinohydrazone.quaternary ammonium salt of formula II (X is halogen) with 7,7,8,8-tetracyanoquinodimethane of formula III preferably in an inert gas atmosphere in a solvent such as acetonitrile at the boiling point of the solvent.