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Synthesis of Chloro-Substituted 6H-Dibenzo[b,d]pyran-6-one Natural Products, Graphislactone G, and Palmariols A and B
Chemical & Pharmaceutical Bulletin ( IF 1.5 ) Pub Date : 2021-08-01 , DOI: 10.1248/cpb.c21-00316 Hitoshi Abe 1 , Ishtiaq Jeelani 2 , Atsuro Yonoki 1 , Haruka Imai 2 , Yoshikazu Horino 1
中文翻译:
氯代6H-二苯并[b,d]pyran-6-one天然产物、石墨内酯G和棕榈醇A和B的合成
更新日期:2021-08-01
Chemical & Pharmaceutical Bulletin ( IF 1.5 ) Pub Date : 2021-08-01 , DOI: 10.1248/cpb.c21-00316 Hitoshi Abe 1 , Ishtiaq Jeelani 2 , Atsuro Yonoki 1 , Haruka Imai 2 , Yoshikazu Horino 1
Affiliation
A palladium-mediated intramolecular aryl–aryl coupling reaction was applied to the total synthesis of the bioactive natural products, graphislactone G (1), and palmariols A (2) and B (3), which possess an unusual chloro-subsutituent on the 6H-dibenzo[b,d]pyran-6-one skeleton. Based on the transition state model of the coupling reaction, the mechanistic aspect for the regioselectivity of the aryl–aryl coupling reaction is also discussed.
Fullsize Image中文翻译:
氯代6H-二苯并[b,d]pyran-6-one天然产物、石墨内酯G和棕榈醇A和B的合成
钯介导的分子内芳基-芳基偶联反应被应用于生物活性天然产物石墨内酯 G ( 1 ) 和棕榈醇 A ( 2 ) 和 B ( 3 )的全合成,它们在 6 上具有不寻常的氯取代基。H- dibenzo[ b , d ]pyran-6-one 骨架。基于偶联反应的过渡态模型,还讨论了芳基-芳基偶联反应区域选择性的机理方面。
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