Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 1439-36-7, Name is 1-(Triphenylphosphoranylidene)propan-2-one, SMILES is CC(C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3)=O, in an article , author is Reddy, K. R. Vijayapal, once mentioned of 1439-36-7, Application In Synthesis of 1-(Triphenylphosphoranylidene)propan-2-one.
POLYANILINE SULFATE SALT CATALYZED ONE-POT THREE-COMPONENT SYNTHESIS OF 2H-INDAZOLO[2,1-b]PHTHALAZINE-TRIONES
An alternative route has been developed for the synthesis of 2H indazolo[2,1-b]pthalazine-trione derivativesby one pot three component condensation reaction of benzaldehydes (1a-n)pthalhydrazide(2) and 5,5 dimethyl -1,3-cyclohexanedione (3) along with acetonitrile and DMF solvent systemusing polyaniline sulfate salt (PASS) as a catalystin good to excellent yields.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem