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    • 5. 发明授权
    • Methods for the synthesis of &agr;- hydroxy-&bgr;-amino acid and amide derivatives
    • α-羟基-β-氨基酸和酰胺衍生物的合成方法
    • US06376649B1
    • 2002-04-23
    • US09216134
    • 1998-12-18
    • Joseph E. SempleOdile E. Levy
    • Joseph E. SempleOdile E. Levy
    • G07K100
    • C07C231/00Y02P20/55Y10T436/14Y10T436/141111
    • Methods for the synthesis of &agr;-hydroxy-&bgr;-amino acid and amide derivatives and &agr;-ketoamide derivatives and novel derivatives made by these methods are provided. These methods involve reacting a N-terminally blocked (protected) aminoaldehyde with an isonitrile and a carboxylic acid to give an amino-&agr;-acyloxy carboxamide. The acyloxy group may be removed to give the derivative. Alternatively the protecting group is removed and acyl shift occurs to give the derivative. These derivatives are useful in the synthesis of compounds such as peptidyl &agr;-ketoamides and &agr;-hydroxy-&bgr;-carboxylic acid and amide derivatives. Certain of these compounds have been reported to have activity as inhibitors of proteases, such as serine proteases and cysteine proteases.
    • 提供了通过这些方法制备的α-羟基-β-氨基酸和酰胺衍生物和α-酮酰胺衍生物和新型衍生物的合成方法。 这些方法包括使N-末端封闭的(保护的)氨基醛与异腈和羧酸反应,得到氨基-α-酰氧基甲酰胺。 可以除去酰氧基以得到衍生物。 或者,除去保护基团并发生酰基转移以得到衍生物。 这些衍生物可用于合成诸如肽基α-酮酰胺和α-羟基-β-羧酸和酰胺衍生物的化合物。 据报道,某些这些化合物具有蛋白酶抑制剂的活性,如丝氨酸蛋白酶和半胱氨酸蛋白酶。