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Compound 24

3-[1-(6,7-dimethoxy-4-quinazolinyl)-4-piperidinyl]-1,2,3,4-tetrahydro-6-nitro-2,4-dioxoquinazoline

ethyl iodide

→

Compound 2

수율 67.0%

3-[1-(6,7-Dimethoxy-4-quinazolinyl)-4-piperidinyl]-1-ethyl-1,2,3,4-tetrahydro-6-nitro-2,4-dioxoquinazoline

수율 67.0%

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실험 절차

The procedure similar to that described in Example 1 was repeated, except that 300 mg (0.63 mmol) of Compound 24 was used and ethyl iodide was used in place of methyl iodide. As a result, 213.1 mg (yield: 67%) of Compound 2 was obtained as pale yellow crystals.

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