Weekly organic chemistry content and news

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Featured Papers (25 May 2025)

Direct Access to Benzofurans and Indoles from Ethylene with 2-Methylphenols/Anilines through Iridium-Catalyzed Dehydrogenative Annulation

The direct conversion of o-cresol and 2-methylphenols to 2-methylbenzofurans was achieved by an Ir/DTBE-DPPE-catalyzed reaction under an atmosphere of ethylene (1 atm). The reaction involves the initial selective formation of a C–C bond at the benzylic C(sp3)–H bond of 2-methylphenols with ethylene without the accommodation of the C(sp2)–H bonds at the 6-positions, which is followed by subsequent C–O bond-forming annulation along with associated dehydrogenation and double bond migration steps. The reaction conditions also allowed for the direct conversion of o-toluidine and 2-methylanilines into 2-methylindoles.

Applications (25 May 2025)

A short history of antiviral drugs

Approximately 90 antiviral drugs have been approved worldwide since the 1960s. Medicines to prevent HIV and treat COVID-19 are the most recent. Here we look at how antivirals work and some key drugs.

Synthetic Strategies (25 May 2025)

Highlights alternative organic synthesis reactions & routes, green chemistry or cost-effective approaches

Green chemistry principles according to the U.S. Environmental Protection Agency (EPA), include: (1) waste prevention instead of remediation, (2) atom economy or efficiency, (3) use of less hazardous and toxic chemicals, (4) safer products by design, (5) innocuous solvents and auxilaries, (6) energy efficiency by design, (7) preferred use of renewable raw materials, (8) shorter synthesis, (9) catayltic rather than stoichiometric reagents, (10) design products to undergo degradation in the environment, (11) analytical methodologies for pollution prevention, (12) inherently safer processes

Reactions & Mechanisms (24 May 2025)

Dive into research on specific organic reactions and their detailed mechanisms.

Suzuki-Miyaura cross-coupling reactions is an organometallic catalytic reaction towards carbon-carbon bond coupling. An endothermic reaction made possible by a palladium catalyst.

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