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3-Quinolinamine, 4-chloro-6,7-dimethoxy- synthesis

4synthesis methods
3-Quinolinamine, 4-chloro-6,7-dimethoxy-

205448-45-9
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Yield:205448-45-9 97%

Reaction Conditions:

with hydrogen;nickel in ethanol; under 760.051 Torr;

Steps:

14

A solution of 4-chloro-6,7-dimethoxy-3-nitroquinoline (1.07 g, 4 mmol) in ethanol (40 ml) containing raney Nickel (1 g) was stirred under hydrogen at atmospheric pressure for 3 hours.. The volatiles were removed by evaporation.. The residue was triturated with petroleum ether, collected by filtration and dried under vacuum to give 3-amino-4-chloro-6,7-dimethoxyquinoline (925 mg, 97%).

References:

US6809097,2004,B1 Location in patent:Page column 48