3 years ago

Synthesis and antibacterial activity of 6(R)- and 6(S)-fluoropenibruguieramine As: Fluorine as a probe for testing the powerfulness of memory of chirality (MOC)

Synthesis and antibacterial activity of 6(R)- and 6(S)-fluoropenibruguieramine As: Fluorine as a probe for testing the powerfulness of memory of chirality (MOC)
The synthesis of 6(R)- and 6(S)- fluoropenibruguieramine As has been achieved, employing the elegant strategy developed by Kim and co-workers. Single diastereomers were formed via the key intramolecular aldol reaction, and both of the products were unambiguously confirmed by X-ray diffraction crystallography. This reaction shows that the fluorine amide effect could not compete with the memory of chirality (MOC) effect, thus further demonstrating the powerfulness of MOC effect in asymmetric synthesis. The biological testing carried out in this work indicates that the principal of antibacterial activity of the natural extract is probably not penibruguieramine A.

Publisher URL: www.sciencedirect.com/science

DOI: S0022113917305249

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