Modeling chemical reactions helps engineers virtually understand the chemistry, optimal size and design of the system, and how it interacts with other physics that may come into play. Introduce a common compound, CAS is 21905-86-2, Name is Cinnoline-4-carboxylic acid, belongs to cinnoline compound. 21905-86-2
EXAMPLE 42 2-(2-ethoxyethoxy)ethyl cinnoline-4-carboxylate (42) 1.07 g of CDIT was added to a mixture of 1.04 g of 1 in 70 ml of dry THF under nitrogen, the mixture was stirred at room temperature for 4 hours, 1.6 g of 2-(2-ethoxyethoxy)ethanol and 0.032 g of sodium methoxide were added and the mixture was stirred at room temperature over a weekend. Then the solvent was stripped, and the residue was dissolved in methylene chloride. The solution was washed with water, dried (MgSO4) and stripped of solvent. The residue was flash-chromatographed on silica gel, using a 1:4 v:v mixture of ethyl acetate and methylene chloride as eluent, to give 42, as a yellow oil., 21905-86-2
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Reference：
Patent; E. I. Du Pont de Nemours and Company; US4699651; (1987); A;,
Cinnoline – Wikipedia
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