2,2,5-Trisubstituted pyrrolidines are available from allylic pyroglutamates by Ireland-Claisen ester rearrangement followed by Eschenmoser sulfide contraction and reduction in a highly diastereoselective and efficient sequence. Some of the products from this sequence exhibit activity against S. aureus, but are much less active against E. coli.
机构:Shaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R China
Zhang, Chuang-Jun
Han, Wen-Yong
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机构:Shaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R China
Han, Wen-Yong
Gao, Mi-Xiang
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机构:Shaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R China
Gao, Mi-Xiang
Xu, Fei-Fei
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机构:Shaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R China
Xu, Fei-Fei
Zhang, Zun-Ting
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Shaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R ChinaShaanxi Normal Univ, Key Lab Minist Educ Med Resources & Nat Pharmaceu, Natl Engn Lab Resource Dev Endangered Crude Drugs, Xian 710062, Peoples R China