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. 2025 Feb 7;68(4):3948–3969. doi: 10.1021/acs.jmedchem.4c01257

Table 2. AI-Based Tools for Synthesis Planning of Molecules.

Tool Description Availability Web Links or References
DeepSA DL model predicting compound synthesis ease, aiding in molecule selection. Outperforms existing methods with AUROC 89.6%, particularly effective for challenging molecules. Free http://deepsea.princeton.edu/
Wang et al.74
AIDDISON drug discovery software and Synthia retrosynthesis software Merck’s drug discovery software integrated with Synthia for retrosynthesis, utilizing generative AI, ML, and CADD. Identifies compounds with essential properties from pharmaceutical R&D data, suggesting optimal synthesis methods. Commercial https://www.merckgroup.com/en/research/science-space/envisioning-tomorrow/future-of-scientific-work/aiddison.html
Molecule.one Utilizes DL and high-throughput to predict organic chemistry synthesis paths, facilitating early drug discovery. Critical for streamlining chemical unpredictability and accelerating drug development. Commercial https://www.molecule.one
RetroGNN Innovative method for assessing synthesizability, training a graph neural network (GNN) to enhance molecule-discovery pipelines. Produces synthesizable molecules with superior scores on QSAR-based benchmarks. Supporting Information is available free of cost. Liu et al.75
ChemistGA Novel approach merging genetic algorithms with DL techniques, improving synthesis accessibility and success rates. Demonstrates superior performance, advancing generative models for drug discovery. Supporting Information is available free of cost. Wang et al.76
Pending.ai Learns chemistry from a vast database, enabling high-throughput chemistry and novel molecule generation using neural networks. Commercial https://pending.ai/
Chemify Digitizes chemistry, generating chemical code solutions for drug discovery, synthesis, and materials research. Commercial https://www.chemify.io/
Chemical.ai Provides ChemFamily products to enhance chemical synthesis efficiency, based on a unique retrosynthesis algorithm. Commercial https://www.chemical.ai/
Iktos Offers AI tools for chemical research, including synthesis planning program Spaya and high throughput synthetic accessibility scoring tool Spaya API. Commercial https://iktos.ai/
IBM’s RoboRXN Innovative project combining AI, Automation, and Cloud to revolutionize industrial chemistry. Automates synthesis procedures, integrates with automation hardware, and offers cloud access for global collaboration. Commercial https://rxn.res.ibm.com/