We describe the difunctionalization of arylboronic acids to prepare various N-(2-hydroxyaryl)pyridin-2-ones in good yields using N-hydroxypyridin-2-ones as the oxygen and nitrogen sources through a ...

Teaching the VSEPR (valence shell electron-pair repulsion) model can be a tedious process. Traditionally, Lewis structures are drawn and the number of “electron clouds” (groups) around the central ...

Letter Published: 24 June 1933 Structure of the Molecule of 12-Phosphotungstic Acid J. F. KEGGIN Nature 131, 908–909 (1933) Cite this article ...

Letter Published: 02 September 1933 Structure of the Crystals of 12-Phosphotungstic Acid J. F. KEGGIN Nature 132, 351 (1933) Cite this article ...