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DOI: 10.1055/a-2403-1860
Cuneanes as Potential Benzene Bioisosteres Having Chirality
The authors are grateful for financial support from the Japan Society for the Promotion of Science (JSPS), KAKENHI (23H02605, 21H05233, and DC1 research fellowship 23KJ1339 to H.T.) and the Japan Science and Technology Agency (JST) (JPM-JMS522362 to S.M).
Abstract
Cuneane, a structural isomer of cubane, possesses C 2v symmetry, unlike the Oh symmetry of cubane. It can exhibit chirality with only a single substituent, differentiating it from cubane. Consequently, cuneane is being explored as a potential benzene bioisostere in pharmaceutical molecules, adding complexity such as chirality through isomerization of the cubane skeleton. Although there has been limited research on the synthesis of cuneane, recent years have seen increased attention devoted to this cage hydrocarbon. In this short review, we will discuss recent advances in the synthesis, utilization, and transformations of the cuneane framework into other cage hydrocarbons.
1 Introduction: Absolute Configuration Notation
2 Preparation of 1,3- and 2,6-Disubstituted Cuneanes by Constitutional Isomerization of 1,4-Disubstituted Cubanes
3 Preparation of 1,2-Disubstituted Cuneanes from 1-Cuneanecarboxamide via Directed ortho-Metalation
4 Investigation of the Potential as a Benzene Bioisostere
5 Asymmetric Synthesis of Cuneanes
6 Cuneane Scaffold Editing
7 Conclusion
Publication History
Received: 19 July 2024
Accepted after revision: 26 August 2024
Accepted Manuscript online:
26 August 2024
Article published online:
23 September 2024
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