Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Journal of Organic Chemistry called Development of a Phase-Transfer-Catalyzed, [2,3]-Wittig Rearrangement, Author is Denmark, Scott E.; Cullen, Lindsey R., which mentions a compound: 206362-80-3, SMILESS is ClC1=C(C=C(CBr)C=C1)F, Molecular C7H5BrClF, Product Details of 206362-80-3.
An investigation into the use of phase-transfer catalysis for the [2,3]-sigmatropic rearrangement of allyloxy carbonyl compounds is described. Initial studies focused on identifying viable substrate classes that would undergo selective [2,3]-rearrangement under phase-transfer catalysis. Under certain conditions, the [2,3]-sigmatropic rearrangement of allyloxy carbonyl compounds takes place in the presence of a phase-transfer agent, providing a rare example of a phase-transfer-catalyzed unimol. reaction. In the course of this investigation, it was found that catalysis is dependent on several variables including base concentration, catalyst structure, and substrate lipophilicity. Preliminary testing of chiral, nonracemic phase-transfer catalysts has shown promising levels of enantioselectivity for future development.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem