Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. 766-11-0, formula is C5H3BrFN, Name is 5-Bromo-2-fluoropyridine. TThe standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. Application of C5H3BrFN.
Sun, Chaofan;Lu, Ju-You;Lu, Jian research published 《 Pd-Catalyzed Selective B(6)-H Phosphorization of nido-Carboranes via Cascade Deboronation/B-H Activation from closo-Carboranes》, the research content is summarized as follows. Efficient Pd-catalyzed regioselective B(6)-H phosphorization of nido-carboranes via cascade deboronation/B-H activation of readily available C-substituted o-carboranes with various phosphines using 3-methylpyridine or isoquinoline as a directing group in combination with pyridine ligands was developed, affording unprecedented B(6)-phosphinated nido-carborane derivatives with high selectivity in a simple 1-pot process.
Application of C5H3BrFN, 5-Bromo-2-fluoropyridine is a useful research compound. Its molecular formula is C5H3BrFN and its molecular weight is 175.99 g/mol. The purity is usually 95%.
5-Bromo-2-fluoropyridine is a boronic acid that has been shown to react with iodides and form 5-bromo-2-fluoroiodobenzene. The reaction of 5-bromo-2-fluoropyridine with benzene gives the same product as the reaction with 1,3,5-trioxane. The UV absorption of 5-bromo-2-fluoropyridine is found at 230 nm and 260 nm. It also has an absorption band in the infrared region at 1625 cm−1. Vibrational progressions have been observed for this molecule, which are due to dipole moments and electron density distributions in the molecule.
5-bromo-2-fluoropyridine is used in the synthesis of heteroaromatic and aniline derivatives of piperidines as potent ligands used for vesicular acetylcholine transport. , 766-11-0.