Methods for the synthesis of cannabinergic ligands

Area of Science:

• Medicinal Chemistry
• Neuroscience

Background:

• Significant advancements in synthesizing high-affinity ligands for cannabinoid receptors (CB1 and CB2) have occurred over the past decade.
• Structure-activity relationship studies have yielded diverse classes of cannabinergic compounds.

Purpose of the Study:

• To review the synthetic methodologies for key cannabinoid receptor probes.
• To cover various classes of cannabinergic ligands, including classical and nonclassical types.

Main Methods:

• Focus on the synthetic aspects of cannabinoid receptor ligands.
• Exploration of structure-activity relationships driving ligand discovery.

Main Results:

• Detailed synthetic approaches for classical cannabinoids (CCs), including covalent derivatives.
• Synthesis of nonclassical cannabinoids (NCCs), hybrid cannabinoids, aminoalkylindoles (AAIs), and diarylpyrazoles.
• Inclusion of synthetic strategies for endogenous cannabinoids (endocannabinoids).

Conclusions:

• The chapter provides a comprehensive overview of synthetic routes for diverse cannabinoid receptor ligands.
• Highlights the importance of synthetic chemistry in developing selective probes for cannabinoid research.