Iodinated 3, 5-Diaminobenzoic Acid Derivatives1

AA Larsen, C Moore, J Sprague, B Cloke…

文献索引：Larsen et al. Journal of the American Chemical Society, 1956 , vol. 78, p. 3210,3215

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被引用次数: 41

摘要

Method A. Formylation Using Excess Dimethylformamide.-Seventy-seven grams (0.5 mole) of phosphorus oxychloride was added dropxvise with stirring and cooling to 146 g.(2 moles) of dimethylformamide while the temperature was kept below 20". One-half mole of the olefin was then added. The mixture was heated slowly to 55'. An exothermic reaction took place and cooling was necessary to maintain the temperature at 55-60'.-After the exo-