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Carbene Catalyzed Asymmetric Synthesis of Selenylated δ-Lactones via [4+2] Annulation of Selenyl Vinyl Ketones and Enals
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2022-10-27 , DOI: 10.1002/adsc.202201036
Ram Subhawan Verma 1 , Ranadeep Talukdar 2 , Tazeen Azaz 1 , Bhoopendra Tiwari 1
Affiliation  

A direct (organo)catalytic method for the synthesis of chiral selenylated δ-lactones via [4+2] annulation of selenyl vinyl ketones with enals has been achieved. The C5-selenylated dihydropyranones were obtained in 54–88% yield with 90–99% enantioselectivity.

中文翻译:

卡宾催化硒基乙烯基酮和烯醛[4+2]环化不对称合成硒化δ-内酯

已经实现了通过硒基乙烯基酮与烯醛的 [4+2] 环化合成手性硒化δ-内酯直接(有机)催化方法。C5-硒化二氢吡喃酮的收率为 54-88%,对映选择性为 90-99%。
更新日期:2022-10-27
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