N-(3,5-dimethyladamantan-1-yl)-n'-substituted phenylurea compounds and their preparation methods and uses
A technology of dimethyladamantane and dimethylphenyl, used in pharmaceutical compositions as active ingredients, in the treatment of Alzheimer's disease, in the field of N--N'-substituted phenylurea compounds, Achieve the effect of good independence, simple operation and stable reaction process
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Embodiment 1
[0056] Example 1: Synthesis of N-(3,5-dimethyladamantan-1-yl)-piperidine-1-carboxamide (ZCY-01):
[0057] Add d (2g, 0.0067mol), piperidine (1.0g), 4-dimethylaminopyridine (0.1g), ethanol (10ml) to a 50ml three-necked flask, reflux for 8 hours, TLC monitors that the reaction of the raw materials is complete, and the column layer Analysis gave 0.6 g of white solid, yield 29.0%. mp136.6-137.5℃; 1 H-NMR (400MHz, DMSO-d 6 )δ0.80(s,6H,CH 3 ), 1.07(s,2H,CH 2 ), 1.225-1.294 (m, 4H, CH 2 ),1.35-1.40(m,4H,CH 2 ), 1.46-1.60(m,6H,CH 2 ),1.74(s,2H,CH 2 ),2.09(s,1H,CH),3.18(t,4H,CH 2 ),5.55(s,1H,CONH); HR-ESIMS m / z 291.2431[M+H] + ,313.2249[M+Na] + .
Embodiment 2
[0058] Example 2: Synthesis of N-(3,5-dimethyladamantan-1-yl)-morpholine-4-carboxamide (ZCY-02)
[0059] Using morpholine as raw material, the synthesis method was the same as (ZCY-01), and 0.5 g of white solid was obtained with a yield of 25.6%. mp 134.8-135.3°C; 1 H-NMR (400MHz, DMSO-d 6 )δ0.80(s, 6H, CH 3 ),1.07(s,2H,CH 2 ), 1.212-1.286 (m, 4H, CH 2 ), 1.500-1.590(m,4H,CH 2 ),1.73-1.76(m,6H,CH 2 ),1.74(s,2H,CH 2 ), 2.04(s,1H,CH), 3.17(t,4H,CH 2 ),3.49(t,4H,CH 2 ),5.70(s,1H, CONH); HR-ESIMS m / z 293.2219[M+H] + ,315.2018[M+Na] + .
Embodiment 3
[0060] Example 3: Synthesis of N-(3,5-dimethyladamantan-1-yl)-pyrrolidine-1-carboxamide (ZCY-03)
[0061] Using pyrrolidine as raw material, the synthesis method is the same as (ZCY-01), and 0.3 g of white solid is obtained with a yield of 16.3%. mp127.1-127.8℃; 1 H-NMR (400MHz, DMSO-d 6 )δ0.80(s, 6H, CH 3 ),1.08(s,2H,CH 2 ),1.210-1.296(m,4H,CH 2 ), 1.508-1.622(m,4H,CH 2 ),1.73-1.76(m,6H,CH 2 ),2.05(s,1H,CH),3.15(t,4H,CH 2 ), 5.02(s,1H,CONH); HR-ESIMS m / z 299.2099[M+Na] + .
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