Chemical Research Letters, May 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 57-71-6, Name is Diacetyl Monoxime, SMILES is C/C(C(C)=O)=NO, in an article , author is Dey, Sanjeev K., once mentioned of 57-71-6, Safety of Diacetyl Monoxime.
Amphiphilic dipyrrinones: methoxylated [6]-semirubins
Replacing the typical beta-alkyl substituents of [6]-semirubin and [6]-oxosemirubin, two intramolecularly hydrogen-bonded bilirubin analogs, with methoxy groups produces amphiphilic dipyrrinones. Synthesized from the respective 9H-dipyrrinones prepared by base-catalyzed condensation of 3,4-dimethoxy-pyrrolin-2-one with the appropriate pyrrole alpha-aldehyde, the 2,3-dimethoxy and 2,3,7,8-tetramethoxy analogs of [6]-semirubin are yellow-colored dipyrrinones that form intramolecularly hydrogen-bonded monomers in CDCl3, as deduced from H-1 NMR NH chemical shifts. They are monomeric in CHCl3, as determined by vapor pressure osmometry. In contrast, in the solid, X-ray crystallography reveals supramolecular ribbons of intermolecularly hydrogen-bonded (dipyrrinone to dipyrrinone and acid to acid) 2,3,7,8-tetramethoxy-[6]-semirubin. The latter is approximately 20 times more soluble in water than the parent [6]-semirubin with four beta-methyl groups. (C) 2009 Elsevier Ltd. All rights reserved.
A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 57-71-6. Safety of Diacetyl Monoxime.
Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem