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Five new isocoumarin derivatives, pestalactone A–C (1–3) and pestapyrone D–E (4–5), together with two known compounds (6–7) were isolated from the solid cultures of the endophytic fungus Pestalotiopsis sp. obtained from Photinia frasery. Their structures were mainly determined by extensive spectroscopic analysis, Mo2(OCOCH3)4-induced electronic circular dichroism (ECD), and ECD calculation. Compounds...
Eight new caryophyllene sesquiterpenoids named pestaloporinates A-G (1–7) and 14-acetylhumulane (8) have been isolated from the solid cultures of an endophytic fungus Pestalotiopsis sp., which was obtained from the fresh stem bark of Melia azedarach Linn. Their structures as well as absolute configurations were determined by spectroscopic data, ECD experimentation, and single-crystal X-ray diffraction...
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