Researchers at Israel’s Technion have developed a “toolbox” technique to give organic chemists a cheap and quick method to design complex molecules and make safe medicines. They place smaller molecules in a ring, make them rigid, use a catalyst to break their bonds and re-assemble them like toy bricks.

https://jewishnews.timesofisrael.com/technion-scientists-develop-new-way-to-study-complex-molecules/