New study expands the scope of aza-Friedel–Crafts reactions

From life-saving drugs and synthetic polymers to diverse advanced materials, the products containing organic compounds seem endless, thanks in part to regioselectivity, a feature in chemical reactions where a substituent ...

Practicing the game-winning asteroid sample catch

The capsule looked like something from a 1960s sci-fi flick. Resting on the ground, slightly tilted, its white heat shield flaked off in places, it looked how one would expect after speeding in from outer space and streaking ...

Forensics lab cracks case on newer, 'greener' gunshot residue

Discoveries by West Virginia University forensic scientists about how gunshot residue behaves on skin, hair and fabric will allow crime scene investigators to catch up to the proliferation of new, eco-friendly types of ammunition ...

Canada wildfire smoke chokes millions in North America

A deep orange-brown sun shined through hazy skies as smoke from Canadian wildfires spread across North America and beyond, choking millions of people and triggering severe air quality alerts.

Towards synthesis of phenanthridine-based pharmaceutical compounds

Phenanthridines are heterocyclic compounds consisting of two six-membered benzene rings fused to a six-membered ring containing nitrogen. They are found in many naturally occurring organic compounds known for their anticancer ...

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