Polyketides from Pestalotiopsis zonata and structure revision of pestalrones A and B

Xin XuKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Chang LiuKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Ya-Jing DongKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Fang-Ru LiuKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Xiu-Mei XuKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

De-Sheng LiKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Dan-Yi LiSchool of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, China

Zhan-Lin LiKey Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang110016, China;School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang110016, ChinaCorrespondence[email protected]

http://orcid.org/0000-0001-5306-3396

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Abstract

The structures of pestalrones A-B were revised via reinterpretation of the NMR data and a brief chemical transformation from the co-occurring polyketides, in our investigation on the secondary metabolites of Pestalotiopsis zonata, which also afforded a new α-pyrone derivative, pestazonatic acid, and four known analogs.

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Polyketides from Pestalotiopsis zonata and structure revision of pestalrones A and B

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