Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 1821-12-1, Name is 4-Phenylbutanoic acid, molecular formula is C10H12O2. In an article, author is Komkov, Alexander V.,once mentioned of 1821-12-1, Safety of 4-Phenylbutanoic acid.
A Straightforward Approach toward Multifunctionalized Pyridazines via Imination/Electrocyclization
A facile synthesis of functionalized 3-carbamide pyridazines starting from readily available chlorovinyl aldehydes and oxamic acid thiohydrazides via cascade imination/electrocyclization is reported. In the presence of p-toluenesulfuric acid, various ketones have been efficiently incorporated into the pyridazine derivatives through a two-step sequence involving a VilsmeierHaack reaction and imination. The synthetic value of this method has been demonstrated by efficient synthesis of steroidal pyridazines.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem