The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 2605-67-6, Name is Methyl 2-(triphenylphosphoranylidene)acetate, SMILES is C3=C([P](C1=CC=CC=C1)(C2=CC=CC=C2)=CC(OC)=O)C=CC=C3, in an article , author is Bognar, Balazs, once mentioned of 2605-67-6, Computed Properties of C21H19O2P.
Synthesis and Application of Stable Nitroxide Free Radicals Fused with Carbocycles and Heterocycles
Stable nitroxide free radicals have traditionally been associated with 2,2,6,6-tetramethylpiperidine- 1-oxyl (TEMPO) or its 4-substituted derivatives as relatively inexpensive and readily accessible compounds with limited possibilities for further chemical modification. Over the past two decades, there has been a resurgence of interest in stable free radicals with proper functionalization tuned for various applications. The objective of this review is to present recent results with synthetic methodologies to achieve stable nitroxide free radicals fused with aromatic carbocycles and heterocycles. There are two main approaches for accessing stable nitroxide free radicals fused with arenes, e.g., isoindoline-like nitroxides: further functionalization and oxidation of phthalimide or inventive functionalization of pyrroline nitroxide key compounds. The latter also offers the constructions of versatile heterocyclic scaffolds (furan, pyrrole, thiophene, 1,2-thiazole, selenophene, pyrazole, pyrimidine, pyridine, pyridazine, 1,5-benzothiazepine) that are fused with pyrroline or tetrahydropyridine nitroxide rings. The possible applications of these new stable nitroxide free radicals, such as covalent spin labels and noncovalent spin probes of proteins and nucleic acids, profluorescent probes, building blocks for construction of dual active drugs and electroactive materials, and substances for controlled free radical polymerization, are discussed.
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Reference:
Pyridazine – Wikipedia,
,Pyridazine | C4H4N2 – PubChem