In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Oriented Circular Dichroism Analysis of Chiral Surface-Anchored Metal-Organic Frameworks Grown by Liquid-Phase Epitaxy and upon Loading with Chiral Guest Compounds, published in 2014, which mentions a compound: 560-09-8, Name is (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid, Molecular C10H16O4, Application of 560-09-8.
Oriented CD (OCD) is explored and successfully applied to study chiral surface-anchored metal-organic frameworks (SURMOFs) based on camphoric acid (D- and Lcam) [Cu2(Dcam)2x(Lcam)2-2x(dabco)]n (dabco = 1,4-diazabicyclo-[2.2.2]-octane). The three-dimensional chiral SURMOFs with high-quality orientation were grown on quartz glass plates by using a layer-by-layer LPE method. The growth orientation, as determined by XRD, could be switched between the [001] and [110] direction by using either OH- or COOH-terminated substrates. These SURMOFs were characterized by using OCD, which confirmed the ratio as well as the orientation of the enantiomeric linker mols. Theor. computations demonstrate that the OCD band intensities of the enantiopure [Cu2(Dcam)2(dabco)]n grown in different orientations are a direct result of the anisotropic nature of the chiral SURMOFs. Finally, the enantiopure [Cu2(Dcam)2(dabco)]n and [Cu2(Lcam)2(dabco)]n SURMOFs were loaded with the two chiral forms of Et lactate [(+)-ethyl-D-lactate and (-)-ethyl-L-lactate]. An enantioselective enrichment of >60% was observed by OCD when the chiral host scaffold was loaded from the racemic mixture
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com