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Henry Rzepa's Blog

Henry Rzepa's Blog
Chemistry with a twist
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Interesting ChemistryChimicaInglese
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Two years ago, I posted on the topic “Internet Archeology: reviving a 2001 article published in the Internet Journal of Chemistry (IJC)”. The IJC had been founded in 1998,  in part at least to “re-invent” the scholarly journal by elevating research data to being a more integrated part of the overall article, rather than as […]

Reaction MechanismChimicaInglese
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In the previous post I followed up on an article published on the theme “Physical Organic Chemistry: Never Out of Style“. Paul Rablen presented the case that the amount of o (ortho) product in electrophilic substitution of a phenyl ring bearing an EWG (electron withdrawing group) is often large enough to merit changing the long […]

Reaction MechanismChimicaInglese
Pubblicato

The title of this post comes from an article published in a special virtual issue on the theme “Physical Organic Chemistry: Never Out of Style” There, Paul Rablen presents the case that the amount of o (ortho) product in electrophilic substitution of a phenyl ring bearing an EWG (electron withdrawing group) is often large enough […]

Reaction MechanismChimicaInglese
Pubblicato

I am in the process of revising my annual lecture to first year university students on the topic of “curly arrows”. I like to start my story in 1924, when Robert Robinson published the very first example as an illustration of why nitrosobenzene undergoes electrophilic bromination in the para position of the benzene ring.