Tsuyoshi Mita, Hideaki Takano, Hiroki Hayashi, Wataru Kanna, Yu Harabuchi, K. N. Houk, and Satoshi Maeda (2022)
Highlighted by Jan Jensen
This paper has been on my to-do list for a while, but Derek Lowe beat me to it (again). DFT-based reaction prediction has yet to make an impact on synthesis planning due to the fact that many are complexities we still have to deal with efficiently, such as solvent effects in ionic mechanisms (very hard to predict accurately), catalysts and additives, chirality, and, well, just the sheer size of the reaction space.
While these things will be dealt with in good time, it makes sense to see if there are any low-hanging fruits that can be picked under the current limitations, that still have "real life" applications. And this study did just that, by choosing pericyclic reactions. These are very popular reactions in organic synthesis, but require no catalysts nor additives and have minimal solvent effects. Furthermore, some use cases of this reaction in natural product synthesis can be very hard to spot, even for seasoned synthetic chemists, and the authors show that their algorithm can predict it a priori. So this could potentially be a useful tool for specific types synthesis planning.
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