Method of Preparing 2-Keto-4,6,8,8-Tetramethyl-8,9-Dihydro-2H- Pyrano-(3,2-G)Quinoline, A Blue-Green Laser Dye.
Patent, Filed 5 Oct 81, patented 19 Apr 83,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A laser dye, 2-keto-4,6,8,8-tetramethyl-8,9-dihydro-2H-pyrano3,2-g quinoline, is prepared by mixing m-aminophenol and ethyl acetoacetate and heating the mixture.
- Lasers and Masers
- Organic Chemistry