The present invention pertains to the general field of chemical synthesis, and more particularly to methods for the synthesis of certain hydroxamic acid compounds, and in particular, (E)-N-hydroxy-3-(3-phenylsulfamoyl-phenyl)-acrylamide, also known as PXD101 and Belinostat®, comprising, for example, the steps of: (SAF) sulfonamide formation; (PUR
C
) optional purification; (AAA) alkenyl-acid addition, comprising: either (i): the steps of, in order: (ACAEA) alkenyl-carboxylic acid ester addition; (PUR
E
) optional purification; and (CAD) carboxylic acid deprotection; or (ii): the step of: (ACAA) alkenyl-carboxylic acid addition; (PUR
F
) optional purification; (HAF) hydroxamic acid formation; and (PUR
G
) optional purification.
本发明涉及
化学合成的一般领域,更具体地涉及某些羟
肟酸化合物的合成方法,特别是(E)-N-羟基-3-(3-苯基磺酰基苯基)
丙烯酰胺,也称为PXD101和Belinostat®。该方法包括以下步骤:(
SAF)磺酰胺形成;(PURC)可选纯化;(AAA)烯基酸加成,包括:(i)按顺序进行以下步骤:(ACAEA)烯基
羧酸酯加成;(PURE)可选纯化;(CAD)
羧酸去保护;或(ii)步骤:(A
CAA)烯基
羧酸加成;(PURF)可选纯化;(HAF)羟
肟酸形成;和(PURG)可选纯化。