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Ribulose-1,5-bisphosphate reacts with carbon dioxide to produce 3-keto-2-carboxyarabinitol 1,5-bisphosphate as the first step in the biochemical process of carbon fixation. It needs an enzyme to do this (Ribulose-1,5-bisphosphate carboxylase/oxygenase, or RuBisCO)...
I have just noticed unexpected links between two old posts, one about benzene and one about diphenyl magnesiumandAugust Kekul. The post about benzene dealt with the apparently simple issue of why all the C-C bonds are of equal length. The answer, in brief is...
The journal of chemical education can be a fertile source of ideas for undergraduate student experiments. Take this procedure for asymmetric epoxidation of an alkene. When I first spotted it, I thought not only would it be interesting to do in the lab, but...

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On 8th August this year, I posted on a fascinating article that had just appeared in Science (DOI:10.1126/science.1188002), in which the crystal structure was reported of two small molecules,1,3-dimethyl cyclobutadieneandcarbon dioxide, entrapped together inside...
It is not often that an article on the topic of illusion and deception makes it into a chemical journal. Such is addressed (DOI:10.1002/anie.201102210) in no less an eminent journal than Angew Chemie. The illusion (or deception if you will) actually goes to...
Do you fancy a story going from simplicity to complexity, if not absurdity, in three easy steps? Read on! The following problem appears in one of our (past) examination questions in introductory organic chemistry. From relatively mundane beginnings, one can...

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Contributed by Steven Bachrach.Reposted from Computational Organic Chemistry with permissionA short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently...
A short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1 Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently presented a full CI study of C2 and concluded that the molecule contains a quadruple bond (see my previous...
Some time ago Google shut down the Share feature of Google Reader to push everyone onto Google Plus. Unfortunately, Google Plus is a bit of a walled garden (and also it sucks compared to FriendFeed, but that's not the issue here). Unlike Google Reader, it doesn't...