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1,3-bis(1-methyl-1H-pyrazol-4-yl)propane-1,3-dione synthesis

1synthesis methods
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Yield:1006327-32-7 51%

Reaction Conditions:

with ethanol;sodium hydride in vaseline oil;diethyl ether at 110; for 31 h;Inert atmosphere;Claisen condensation;

References:

Taydakov;Krasnoselsky [Chemistry of Heterocyclic Compounds,2011,vol. 47,# 6,p. 695 - 699] Location in patent:experimental part