6+ hour, 25+ min ago  (372+ words) New reaction forms disubstituted products, thanks to a styrene radical cation intermediate The simplest explanation was that the reaction was a substitution reaction going through a halonium intermediate. "But none of those were working on a computational surface," Hirschi says....

2+ day, 5+ hour ago  (308+ words) No need for metals or recognition sites to build these molecular machines by Victoria Corless, special to C&EN For decades, chemists believed that assembling rotaxanes required carefully designed molecular recognition between a ring and an axle, or rod-shaped, unit....

2+ day, 9+ hour ago  (731+ words) Tom Lehrer's periodic table song "The Elements" may finally have competition for chemistry's catchiest tune. Undertaking a playful experiment, chemist Oliver Steinbock of Florida State University used artificial intelligence to generate a playlist of thermodynamics-themed songs to help students remember…...

1+ week, 22+ hour ago  (331+ words) This Greening Chemistry column highlights an easy-to-overlook but important factor that affects both a laboratory's energy use and expenses by Tom Welton, special to C&EN Covering the latest in sustainability and environmental issues in chemistry. Greening Chemistry is a…...

1+ week, 1+ day ago  (252+ words) The structure of the reaction intermediate, common in synthesis, was previously unknown by Victoria Corless, special to C&EN "Understanding triplet borylnitrenes provides a foundation for gaining control over one of the most reactive nitrogen-containing intermediates in chemistry," one of…...

1+ week, 2+ day ago  (1536+ words) New synthetic approaches are helping chemists sculpt their molecules into new shapes and forms by Carrie Arnold, special to C&EN Recurring stories and special news packages from C&EN. Chemist Christian Schafmeister never passes up a chance to reference…...

1+ week, 2+ day ago  (1558+ words) Analysis of EPA data highlights difficult balance between a company's right to confidentiality and the public's right to know about toxic chemicals by Leigh Krietsch Boerner Recurring stories and special news packages from C&EN. Companies claim that the amount…...

1+ week, 2+ day ago  (357+ words) Researchers at the University of Cambridge have scaled up a sunlight-driven panel that turns plastic bottles into hydrogen. They tested a 1 m" panel outdoors for the first time (Nat. Chem. Eng. 2026, DOI: 10. 1038/s44286-026-00406-y). Sunlight striking the semiconductor frees electrons, each one…...

2+ week, 8+ hour ago  (444+ words) Two studies report membrane technologies that can separate petroleum components by simple filtration by Payal Dhar, special to C&EN Two recent studies report alternative strategies to the energy-intensive distillation process of petroleum refining. Instead of selectively boiling off crude…...

2+ week, 1+ day ago  (1770+ words) A slew of start-ups and academic labs are leaning on AI agents and bots, rather than humans, to speed up their chemistry" Recurring stories and special news packages from C&EN. Atinary has raised at least $10 million in outside investment…...