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, Tetrahedron: Asymmetry called The effect of vinyl esters on the enantioselectivity of the lipase-catalyzed transesterification of alcohols, Author is Kawasaki, M.; Goto, M.; Kawabata, S.; Kometani, T., which mentions a compound: 57825-30-6, SMILESS is CCC1=CC=C(CBr)C=C1, Molecular C9H11Br, HPLC of Formula: 57825-30-6.
The enantioselectivity of the lipase from Pseudomonas cepacia (PCL) in the transesterification of 2-phenyl-1-propanol (I) was studied using a series of vinyl 3-arylpropanoates as acyl donors. The most enantioselective transesterification reaction of the alc. was attained by using vinyl 3-(p-iodophenyl)- or 3-(p-trifluoromethylphenyl)propanoates, with enantiomer ratios, E, of 116 and 138, resp. Vinyl 3-phenylpropanoate was also effective for the resolution of 1 mediated by lipases from P. fluorescens and porcine pancreas and for the PCL-catalyzed transesterification of several 2-phenyl-1-alkanols. The enantiomeric resolution of I was practically carried out by the first enantioselective transesterification using PCL and vinyl 3-(p-iodophenyl)propanoate to afford (R)-I and then the enantioselective hydrolysis of the resultant ester to afford (S)-I.
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Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider