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Transition-Metal-Free Reductive Deoxygenative Olefination with CO2
Organic Letters ( IF 5.2 ) Pub Date : 2018-05-15 00:00:00 , DOI: 10.1021/acs.orglett.8b01155
Dao-Yong Zhu 1 , Wen-Duo Li 1 , Ce Yang 1 , Jie Chen 1 , Ji-Bao Xia 1
Affiliation  

A new transition-metal-free reductive deoxygenative olefination of phosphorus ylides with CO2, an abundant and sustainable C1 chemical feedstock, is described. This catalytic CO2 fixation afforded β-unsubstituted acrylates and vinyl ketones in good yields with broad scope and good functional group tolerance under mild reaction conditions. Cost-effective and easily handled polymethylhydrosiloxane was used as a reductant. Bis(silyl)acetal was proved to be the key intermediate in this reductive functionalization of CO2.

中文翻译:

无过渡金属的CO 2还原脱氧烯烃化

描述了一种新的无过渡金属的磷酰磷与CO 2的无过渡金属还原性脱氧烯化反应,CO 2是一种丰富且可持续的C1化学原料。通过该催化CO 2固定,可在温和的反应条件下以良好的收率,宽范围和良好的官能团耐受性获得β-未取代的丙烯酸酯和乙烯基酮。具有成本效益且易于处理的聚甲基氢硅氧烷被用作还原剂。事实证明,双(甲硅烷基)乙缩醛是该CO 2还原功能化的关键中间体。
更新日期:2018-05-15
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