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Chemical synthesis is the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products. Chemical ...

Enzymatic desaturation and reduction processes enable the synthesis of either enantiomer of the enone products from cyclohexanone or cyclohexadienone substrates. See Zeng et al. A flux-regulated ...

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It has been tempting to view the C.I.A. as omniscient. Yet Coll’s chastening new book about the events leading up to the Iraq War, in 2003, shows just how often the agency was flying blind.

Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.

Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan ...