Catalytically active supramolecular porphyrin boxes: acceleration of the methanolysis of phosphate triesters via a combination of increased local nucleophilicity and reactant encapsulation was written by Kang, Byungman;Kurutz, Josh W.;Youm, Kyoung-Tae;Totten, Ryan K.;Hupp, Joseph T.;Nguyen, Son Binh T.. And the article was included in Chemical Science in 2012.Reference of 100189-84-2 This article mentions the following:
Box-like tetrakis(metalloporphyrin) supramol. assemblies possessing Zn and Al metal sites can catalyze the methanolysis of phosphate triesters with a high rate enhancement, up to 430 times faster than the uncatalyzed reaction. Mechanistic studies suggest that the observed rate enhancement can be attributed to a high local concentration of methoxide ion that operates in concert with a solvophobically driven encapsulation of substrates by the porphyrinic assembly. In the experiment, the researchers used many compounds, for example, 2,5-Dibromo-1,3-dimethylbenzene (cas: 100189-84-2Reference of 100189-84-2).
2,5-Dibromo-1,3-dimethylbenzene (cas: 100189-84-2) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Bromine-containing agents predominate because not only are they more efficient than similar chlorine-containing species, but also the high atomic weight of bromine ensures that it is present in a high mass fraction within most organobromine compounds.Reference of 100189-84-2
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary