An efficient synthesis ofN-hydroxy-N-[4-3H]phenyloctanediamide ([4-3H]SAHA), a potent cytodifferentiating agent
作者:Dhimant Desai、Victor Sidorov、Joseph Backer、Shantu Amin
DOI:10.1002/(sici)1099-1344(20000315)43:3<229::aid-jlcr307>3.0.co;2-j
日期:2000.3.15
developed an efficient synthesis of N-hydroxy-N-[4-3H]phenyloctanediamide ([4-3H]SAHA) from the monoester of suberanilic acid. The starting material, a monoester of suberoyl chloride, was condensed with 4-bromoaniline in the presence of a base to give the 4-bromoanilide of monoethyl suberate in 92% yield. On further treatment with methanolic hydroxylamine hydrochloride and sodium methoxide, this compound gave
我们开发了一种从辛二酸单酯高效合成 N-羟基-N-[4-3H] 苯基辛二酰胺 ([4-3H]SAHA) 的方法。起始原料,辛二酰氯的单酯,在碱存在下与4-溴苯胺缩合,以92%的产率得到辛二酸单乙酯的4-溴苯胺。用甲醇羟胺盐酸盐和甲醇钠进一步处理后,该化合物以 94% 的产率得到 4-溴代琥珀酰苯胺异羟肟酸。在氚气气氛中使用 Pd/C 进行溴的催化氚交换导致 [4-3H]SAHA 的比活性为 2.49 Ci/mmol。我们还从关键中间体辛二酸单乙酯的 4-溴苯胺通过非催化氚交换反应制备了具有 27.5 Ci/mmol 高比活度的 [4-3H]SAHA。版权所有 © 2000 John Wiley & Sons, Ltd.