Preliminary communication/CommunicationSynthesis of 4,4′-(arylmethylene)bis(3-methyl-1H-pyrazol-5-ol) derivatives in water-Science-Chemical Encyclopedia-lookchem

Preliminary communication/CommunicationSynthesis of 4,4′-(arylmethylene)bis(3-methyl-1H-pyrazol-5-ol (cas 132712-71-1)) derivatives in water
Add time:08/23/2019 Source:sciencedirect.com

An environmentally friendly and simple method for the synthesis of some 4,4′-(arylmethylene)bis(3-methyl-1H-pyrazol-5-ol) derivatives via a one-pot pseudo five-component reaction of hydrazine hydrate, ethyl acetoacetate and aldehydes in water using pyridine trifluoroacetate or acetic acid at 70 °C is reported.

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