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Chakyunglupulins A and B, two novel 4,8,8-trimethylcyclooct-2-enone derivatives from Barleria lupulina.


ABSTRACT: Two novel 4,8,8-trimethylcyclooct-2-enone derivatives, chakyunglupulins A and B, together with six known lignans were isolated from the aerial part of Barleria lupulina. The structures of new compounds were established by extensive spectroscopic data and HR-MS, and their absolute configurations were determined by a combination of NOE experiment and application of the modified Mosher's method.

PROVIDER: S-EPMC4521596 | BioStudies |

REPOSITORIES: biostudies

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