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Henry Rzepa's Blog

Henry Rzepa's Blog
Chemistry with a twist
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Interesting ChemistryArrow PushingChemical ReactionChemical SocietyChemistCiencias QuímicasInglés
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In 2012, I wrote a story of the first ever reaction curly arrows, attributed to Robert Robinson in 1924. At the time there was a great rivalry between him and another UK chemist, Christopher Ingold, with the latter also asserting his claim for their use.

Interesting ChemistryAcetic AcidAcidAmideAmineCiencias QuímicasInglés
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White City is a small area in west london created as an exhibition site in 1908, morphing over the years into an Olympic games venue, a greyhound track, the home nearby of the BBC (British Broadcasting Corporation) and most recently the new western campus for Imperial College London.♣ The first Imperial department to move into […]

Interesting ChemistryAcademic PublishingChemical ContextCodeDataCiencias QuímicasInglés
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Harnessing FAIR data is an event being held in London on September 3rd; no doubt all the speakers will espouse its virtues and speculate about how to realize its potential.♥ Admirable aspirations indeed. Capturing hearts and minds also needs lots of real life applications!

Interesting ChemistryAcronymAmsterdamChemical SciencesCity: AmsterdamCiencias QuímicasInglés
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FAIR is one of those acronyms that spreads rapidly, acquires a life of its own and can mean many things to different groups. A two-day event has just been held in Amsterdam to bring some of those groups from the chemical sciences together to better understand FAIR.

Interesting ChemistryBotanyHerbCiencias QuímicasInglés
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This last month, as a follow-up to the preceding post on the colour of flowers, I have been moonlighting by blogging elsewhere. Do go visit my “guerrilla blog” at perivalepark.london. Part of this project involves visiting two “physic or botanic” gardens, which originate from early 17th century explorations of herbs and other botanicals as medicines.

Interesting ChemistryAnthocyanidinAnthocyaninChemistryDelphinidinCiencias QuímicasInglés
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It was about a year ago that I came across a profusion of colour in my local Park. Although colour in fact was the topic that sparked my interest in chemistry many years ago (the fantastic reds produced by diazocoupling reactions), I had never really tracked down the origin of colours in many flowers.

Interesting ChemistryAromatisation Stabilization EnergyChemical PolarityChemical PropertiesChemistryCiencias QuímicasInglés
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In several posts a year or so ago I considered various suggestions for the most polar neutral molecules, as measured by the dipole moment. A record had been claimed for a synthesized molecule of ~14.1±0.7D. I pushed this to a calculated 21.7D for an admittedly hypothetical and unsynthesized molecule.