Forward Synthesis

Forward Synthesis is an AI-driven computational tool developed by Chemical.AI, designed to help medicinal chemists and drug discovery researchers rapidly generate large-scale molecular libraries that are both diverse and practically achievable for synthesis. Available exclusively within the ChemAIRS® platform, Forward Synthesis addresses a core challenge in drug discovery: ensuring that the molecules explored during library creation are not only novel but also feasible to synthesize in the laboratory.

The tool operates along two primary dimensions — the core skeleton, which defines the structural foundation of a molecule, and the synthetic route, which determines the most efficient pathways to construct that molecule. By optimizing both aspects simultaneously, Forward Synthesis enables researchers to evaluate molecular libraries computationally before committing to synthesizability screenings, saving significant time and resources.

Key Capabilities

• Large-scale molecular library generation: Rapidly create extensive virtual libraries of candidate molecules for drug discovery programs.
• Core skeleton optimization: Define and preserve the structural foundation of molecules while exploring viable chemical space.
• Synthetic route determination: Identify and evaluate possible synthetic pathways to construct target molecules efficiently.
• Synthesizability assurance: Ensure that every molecule in the library is practically achievable, not just theoretically novel.

Workflow Steps

1. Identify Viable Modification Sites: Analyze the core molecular structure to determine where chemical modifications can be introduced, while ensuring that the integrity of the core scaffold remains intact to support targeted molecular design.
2. Filter for Stability and Select the Best Candidates: Remove structures that are prone to instability, degradation, or toxicity risks. Evaluate reactivity, functional group compatibility, and safety profiles to refine the molecular library, and prioritize synthesizable, stable compounds for further development.

Platform Integration

• Forward Synthesis is available exclusively as part of the ChemAIRS® platform by Chemical.AI.
• It is purpose-built for chemists working in drug discovery who require both computational power and practical synthetic feasibility in their molecular design workflows.