Aggregation of asphaltene model compounds using a porphyrin tethered to a carboxylic acid

作者：Schulze Matthias; Lechner Marc P; Stryker Jeffrey M; Tykwinski Rik R^*

来源：Organic and Biomolecular Chemistry, 2015, 13(25): 6984-6991.

DOI：10.1039/c5ob00836k

A Ni(II) porphyrin functionalized with an alkyl carboxylic acid (3) has been synthesized to model the chemical behavior of the heaviest portion of petroleum, the asphaltenes. Specifically, porphyrin 3 is used in spectroscopic studies to probe aggregation with a second asphaltene model compound containing basic nitrogen (4), designed to mimic asphaltene behavior. NMR spectroscopy documents self-association of the porphyrin and aggregation with the second model compound in solution, and a Job's plot suggests a 1 : 2 stoichiometry for compounds 3 and 4.

• 出版日期2015