Quinolyl EGFR tyrosine kinase inhibitor containing zinc binding group
A technology of alkylamino and alkyl, which is applied in the field of medicine and can solve the problems of drug resistance of tumors
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[0130] Example 1 The preparation of 7-(4-(3-chloro-4-fluorophenylamino)-3-cyano-7-methoxyquinazolin-6-yloxy)-N-hydroxyheptanamide ( Compound 1)
[0131]
[0132] (1) Preparation of ethyl 2-cyano-3-ethoxyacrylate
[0133]
[0134] Dissolve triethoxymethane (16.65 mL, 0.1 mol) and ethyl dicyanoacetate (10.65 mL, 0.1 mol) in acetic anhydride (80 mL) solution, react at 150-160 °C for 5 hours, and cool to room temperature , concentrated under reduced pressure to remove the solvent to obtain the product (13.5 g, yield 80%).
[0135] (2) Preparation of ethyl 7-(4-amino-2-methoxyphenoxy)heptanoate
[0136]
[0137] 7-(2-Methoxy-4-nitrophenoxy)methyl heptanoate (17 g, 0.05 mol) was dissolved in THF / H 2 O (volume ratio 1:1, 200 mL) mixed solution was added palladium carbon (8 g), stirred under hydrogen atmosphere for 20 hours, filtered, and the filtrate was concentrated under reduced pressure to obtain the product (14 g, yield 94.8%).
[0138] (3) (Z)-Ethyl 7-(4-(2-cyano-3-et...
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