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台湾添加剂B,C和D的总合成

Jun Deng1, Shupeng Zhou, Wenhao Zhang

  • 1State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, China.

Journal of the American Chemical Society
|May 29, 2014
PubMed
概括

研究人员首次实现了台湾添加物B,C和D的总合成.关键步骤包括催化不对称聚循环和具有挑战性的迪尔斯-阿尔德反应,以构建复杂的分子框架.

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相关概念视频

Preparation of Amides01:29

Preparation of Amides

Amides are synthesized by treating carboxylic acids with amines in the presence of dehydrating agents like dicyclohexylcarbodiimide (DCC).
The DCC-promoted synthesis of amides begins with the protonation of DCC by carboxylic acid. The protonation makes it a better acceptor. Next, the addition of carboxylate to the protonated carbodiimide gives a reactive acylating agent.
Subsequently, the amine acts as a nucleophile that attacks the acylating agent to form a tetrahedral intermediate. In the...
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