Patent ID: 11952326
Assignee: KING FAISAL UNIVERSITY
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 1:
2. A method of making the sterically hindered 2,2′,6,6′-tetraisopropyl-4,4′-diethynylazobenzene of claim 1, the method comprising:
dissolving 2,2′,6,6′-tetraisopropyl-4,4′-bis((trimethylsilyl)ethynyl)azobenzene, in a methanol and tetrahydrofuran (THF) mixture to obtain a reaction mixture;
adding potassium carbonate to the reaction mixture;
evaporating the methanol and tetrahydrofuran (THF) from the reaction mixture to obtain a crude residue;
dissolving the crude residue in a mixture of CH2Cl2 and water to obtain an organic layer;
extracting and drying the organic layer;
removing the mixture of CH2Cl2 and water; and
obtaining the sterically hindered 2,2′,6,6′-tetraisopropyl-4,4′-diethynylazobenzene.