The intramolecular Diels-Alder reaction (IMDA) of a butenolide derivative, as an entry to the type II abyssomicin scaffold, and the total synthesis of (+/-)-abyssomicin 2 and (+/-)-neoabyssomicin B are reported for the first time. A facile route to the IMDA precursor, the formation of a type I intermediate and two paths to (+/-)-neoabyssomicin B are also discussed.
机构:Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
Yang, Yi Hua
Li, Yu Lin
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Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R ChinaLanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China