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Arabian journal of chemistry. 2016 Nov:9:S1597-S1602. doi: 10.1016/j.arabjc.2012.04.027

A synthesis of (±)-thia-calanolide A, its resolution and in vitro biological evaluation

(±)-硫杂环氯烷啶A的合成、拆分及体外生物活性评价 翻译改进

Anil U Chopade  1, Manojkumar U Chopade  2, Bhanu M Chanda  1, Dilip D Sawaikar  1, Kiran B Sonawane  1, Mukund K Gurjar  1

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作者单位

  • 1 Division of Organic Chemistry, National Chemical Laboratory, Pune 411008, India.
  • 2 Department of Chemistry, University of Pune, Pune 411007, India.
  • DOI: 10.1016/j.arabjc.2012.04.027 PMID: 38620243

    摘要 Ai翻译

    A synthesis of (±)-thia-calanolide A 3 has been successfully accomplished starting from 3,5-dimethoxythiophenol 4, in six steps in an overall yield of 4.5%. The key reaction involved Friedel-Crafts tigloylation of 5,7-dihydroxy-4-n-propyl thiocoumarin 6 employing an appropriate solvent of CS2-PhNO2 in a ratio of 7:3. In its biological evaluation for anti-HIV activity, (±)-thia-calanolide A 3 demonstrated comparatively less activity with calanolide A and its synthetic analogue aza-calanolide. Further, (±)-3 has been resolved by chiral HPLC to (+) and (-)-3.

    Keywords: Anti-HIV activity; Resolution via chiral HPLC; Thia-calanolide A; Thiocoumarin.

    Keywords:synthesis of thia-calanolide A; resolution; in vitro biological evaluation

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    A synthesis of (±)-thia-calanolide A, its resolution and in vitro biological evaluation