Correlation diagrams of stereoisograms for characterizing stereoisomers of cyclobutane derivatives. (English) Zbl 1194.92084
Summary: Correlation diagrams of stereoisomers are developed as a versatile device for discussing the stereoisomerism of cyclobutane derivatives. A cyclobutane skeleton belongs to an \(RS\)-stereoisomeric group, which is constructed by starting from the point group \(\mathbf D_{4h}\) in order to represent a global symmetry. Stereoisomers derived from the cyclobutane skeleton are treated by a main correlation diagram of stereoisograms under the action of the \(RS\)-stereoisomeric group. In order to discuss the local symmetry of each \(RS\)-stereogenic center, on the other hand, a promolecule is generated at each \(RS\)-stereogenic center, where the \(RS\)-stereoisomeric group for specifying the promolecule is constructed by starting from the point group \(\mathbf T_{d }\). Such promolecules derived from respective stereoisomers are correlated to each other by using stereoisograms, which are further correlated to give a correlation diagram of stereoisograms. \(RS\)-stereodescriptors are discussed on the basis of such correlation diagrams of stereoisograms.
MSC:
| 92E10 | Molecular structure (graph-theoretic methods, methods of differential topology, etc.) |
| 92-08 | Computational methods for problems pertaining to biology |
Keywords:
cyclobutane; stereochemistry; \(RS\)-diastereomeric; \(RS\)-stereoisomeric; stereoisogram; correlation diagram; \(RS\)-stereodescriptors; global symmetry; local symmetryReferences:
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