Process for arylamine production
View Patent ↗A process for synthesizing arylamine compounds is provided. The process includes producing a dicarboxylic acid salt of an arylamine molecule by reacting a dicarboxylic acid arylamine with an alkyl salt to produce the dicarboxylic acid arylamine salt.
1. A process for forming a siloxane-containing hole transport molecule, comprising:
reacting a dicarboxylic acid of an arylamine compound with an anhydrous alkali metal salt to form an anhydrous dicarboxylic acid salt of the arylamine compound;
filtering the anhydrous dicarboxylic acid salt of the arylamine compound to form an isolated anhydrous dicarboxylic acid salt of the arylamine compound; and
reacting the isolated anhydrous dicarboxylic acid salt of the arylamine compound with a siloxane-containing compound,
wherein no water is used to form the siloxane-containing hole transport molecule, and
wherein the anhydrous alkali metal salt is potassium isopropoxide.
2. The process according to claim 1 , wherein the dicarboxylic acid of an arylamine compound is a dicarboxylic acid of a tertiary arylamine.
3. The process according to claim 1 , wherein said reacting a dicarboxylic acid of an arylamine compound with an anhydrous alkali metal salt is conducted in a solvent.
4. The process according to claim 3 , wherein the solvent is chosen from the group consisting of DMF, methanol, ethanol, propanols, butanols, pentanols, hexanols and mixtures thereof.
5. The process according to claim 1 , wherein the siloxane-containing compound is 3-iodopropyldiisopropoxymethylsilane.
6. The process according to claim 1 , wherein said reacting said anhydrous dicarboxylic acid salt of the arylamine compound with a siloxane-containing compound is conducted in a solvent.
7. The process according to claim 6 , wherein the solvent is isopropanol.
8. A process for forming a siloxane-containing hole transport molecule, comprising:
reacting a dicarboxylic acid of an arylamine compound with an anhydrous alkali metal salt to form an anhydrous dicarboxylic acid salt of the arylamine compound;
filtering the anhydrous dicarboxylic acid salt of the arylamine compound to form an isolated anhydrous dicarboxylic acid salt of the arylamine compound; and
reacting the isolated anhydrous dicarboxylic acid salt of the arylamine compound with a siloxane-containing compound,
wherein no water is used to form the siloxane-containing hole transport molecule,
wherein the anhydrous alkali metal salt is potassium isopropoxide. and
wherein a high performance liquid chromatography purity of the siloxane-containing hole transport molecule is at least about 95%.
9. A process for forming a siloxane-containing hole transport molecule, comprising:
reacting a dicarboxylic acid of an arylamine compound with an anhydrous alkali metal salt to form an anhydrous dicarboxylic acid salt of the arylamine compound; and
filtering the anhydrous dicarboxylic acid salt of the arylamine compound to form an isolated anhydrous dicarboxylic acid salt of the arylamine compound; and
reacting the isolated anhydrous dicarboxylic acid salt of the arylamine compound with a siloxane-containing compound,
wherein no water is used to form the siloxane-containing hole transport molecule,
wherein the anhydrous alkali metal salt is potassium isopropoxide, and
wherein an oligomer content of the siloxane-containing hole transport molecule is from about 1 to about 10% by weight of the siloxane-containing hole transport molecule.
10. The process according to claim 9 , wherein the oligomer content of the siloxane-containing hole transport molecule is from about 1 to about 4% by weight of the siloxane-containing hole transport molecule.