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1-(6-Morpholino-2-(2-(Pyridin-2-Yl)Ethoxy)PyriMidin-4-Yl)Hydrazine synthesis

3synthesis methods
544693-01-8 Synthesis
4-[6-Chloro-2-(2-(pyridin-2-yl)ethoxy)pyriMidin-4-yl]Morpholine

544693-01-8
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$165.00/100mg

Morpholine, 4-[2-chloro-6-[2-(2-pyridinyl)ethoxy]-4-pyrimidinyl]-

887402-10-0
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Morpholine, 4-[4-chloro-6-[2-(2-pyridinyl)ethoxy]-2-pyrimidinyl]-

887402-09-7
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1-(6-Morpholino-2-(2-(Pyridin-2-Yl)Ethoxy)PyriMidin-4-Yl)Hydrazine

719285-83-3
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Yield:719285-83-3 73%

Reaction Conditions:

with hydrazine in 1,4-dioxane; for 5 h;Heating / reflux;

Steps:

1.3

Step 3.A stirred suspention of Product 2 (97.4 g, 0.304 mol) and hydrazine monohydrate (53.2 g, 1.06 mol) in dioxane (188 mL) was brought to boil under nitrogen purge, and was re fluxed for 5 hours. Ice water (376 mL) was added to the reaction mixture, and the mixture was allowed to stand overnight. A resulted precipitate was filtered out, washed 3 times with water (260 mL per wash) and vacuum-dried at 40-50 0C until constant weight was maintained to yield Product 3 (70.2 g, 73% yield) as one regioisomer, 2-[2-(pyridin-2-yl)- ethoxy]-4-hydrazino-6-(morpholin-4-yl)-pyrimidme.

References:

WO2006/53112,2006,A1 Location in patent:Page/Page column 52