A New Scalable Synthesis of ELQ-300, ELQ-316, and other Antiparasitic Quinolones.

A New Scalable Synthesis of ELQ-300, ELQ-316, and other Antiparasitic Quinolones.
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新型抗寄生虫喹诺酮类药物ELQ-300、ELQ-316的规模化合成

DOI:
10.1021/acs.oprd.1c00099
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发表时间:
2021-08-20
影响因子:
3.4
通讯作者:
Winter RW
Winter RW
中科院分区:
化学3区
文献类型:
--
作者:
Pou S;Dodean RA;Frueh L;Liebman KM;Gallagher RT;Jin H;Jacobs RT;Nilsen A;Stuart DR;Doggett JS;Riscoe MK;Winter RW

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类内皮素喹诺酮(ELQ)化合物类可能会产生有效的,安全的治疗范围内的重要人类和动物的痛苦。然而,为了获得该化合物系列的公共卫生潜力,需要设计一种降低成本并适合大规模生产的合成路线。在本文描述的新合成路线中,通过Ullmann反应和随后的酰化形成的取代的β-酮酯与苯胺通过Conrad-Limbach反应反应生成3-取代的4(1H)-喹诺酮,例如ELQ-300和ELQ-316。该合成路线是第一个被描述为真正适合工业规模生产的合成路线,相对较短(5个反应步骤),不需要钯、色谱分离或保护基化学,并且可以在没有高真空蒸馏的情况下进行。
The Endochin-Like Quinolone (ELQ) compound class may yield effective, safe treatments for a range of important human and animal afflictions. However, to access the public health potential of this compound series, a synthetic route needed to be devised that lowers costs and is amenable to large scale production. In the new synthetic route described here, a substituted β-keto ester, formed by an Ullmann reaction and subsequent acylation, is reacted with an aniline via a Conrad-Limpach reaction to produce 3-substituted 4(1H)-quinolones such as ELQ-300 and ELQ-316. This synthetic route, the first described to be truly amenable to industrial scale production, is relatively short (5 reaction steps), does not require palladium, chromatographic separation or protecting group chemistry, and may be performed without high vacuum distillation.
弓形虫病发育中的药物:进步,挑战和当前状态。
DOI: 10.2147/dddt.s60973
发表时间: 2017
期刊: Drug design, development and therapy
影响因子: --
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发表时间: 2020-07-21
期刊: SCIENTIFIC REPORTS
影响因子: 4.6
作者:
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发表时间: 2012-09-25
影响因子: 11.1
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通讯作者: Riscoe, Michael K.