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Recent Advances in the Study of rac-2-[(1R,2R)-2-{[(tert-butoxy)carbonyl]amino}cyclohexyl]acetic acid, cis (CAS: 143617-91-8)

The compound rac-2-[(1R,2R)-2-{[(tert-butoxy)carbonyl]amino}cyclohexyl]acetic acid, cis (CAS: 143617-91-8) has garnered significant attention in the field of chemical biology and medicinal chemistry due to its potential applications in drug discovery and development. This research brief synthesizes the latest findings related to this compound, focusing on its synthesis, biological activity, and therapeutic potential.

Recent studies have highlighted the importance of this chiral cyclohexyl derivative as a key intermediate in the synthesis of peptidomimetics and small-molecule inhibitors. The tert-butoxycarbonyl (Boc) protecting group in the molecule enhances its stability during synthetic procedures, making it a valuable building block for complex organic transformations. A 2023 study published in the Journal of Medicinal Chemistry demonstrated its utility in the synthesis of novel protease inhibitors targeting viral enzymes.

Structural analysis of rac-2-[(1R,2R)-2-{[(tert-butoxy)carbonyl]amino}cyclohexyl]acetic acid, cis reveals that the cis configuration of the cyclohexyl ring contributes to its unique conformational properties. This spatial arrangement has been shown to influence molecular recognition processes when the compound is incorporated into larger pharmacophores. Computational modeling studies suggest that this scaffold may exhibit preferential binding to certain protein targets involved in inflammatory pathways.

In terms of biological activity, recent in vitro assays have demonstrated that derivatives of this compound exhibit moderate inhibitory effects against several kinase targets. Particularly noteworthy is its activity against JAK family kinases, as reported in a 2024 pre-print from Bioorganic & Medicinal Chemistry Letters. The rac- mixture presents interesting challenges for pharmacological evaluation, with ongoing research focusing on the separation and individual characterization of the enantiomers.

The synthetic accessibility of this compound has been improved through recent methodological advances. A 2023 publication in Organic Process Research & Development described an optimized large-scale preparation route that achieves >90% yield while maintaining excellent stereochemical purity. This development is particularly significant for potential industrial applications of this intermediate.

Future research directions for this compound include exploration of its incorporation into macrocyclic structures and investigation of its potential as a scaffold for targeted protein degraders (PROTACs). Preliminary results from unpublished work suggest that the cyclohexyl acetic acid moiety may serve as an effective linker in bifunctional molecules. The compound's stability under physiological conditions makes it particularly attractive for these applications.

In conclusion, rac-2-[(1R,2R)-2-{[(tert-butoxy)carbonyl]amino}cyclohexyl]acetic acid, cis represents a versatile and pharmacologically interesting scaffold with multiple potential applications in drug discovery. Continued research into its structure-activity relationships and synthetic applications is expected to yield valuable insights for medicinal chemistry programs targeting various disease areas.

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