(±)-(1SR,5SR,6SR,7SR,10SR,11SR,13RS,14SR,15SR,16RS)-13-acet­oxy-16-benzyloxy-15-hy­droxy-7-meth­oxy­meth­oxy-3-oxo-11,15,18,18-tetra­methyl-2,4-dioxa­tetra­cyclo[12.3.1.01,5.06,11]octa­decan-10-yl benzoate and its 13-epimer
2025

Crystal Structures of Tetra­cyclic Benzoates Related to Paclitaxel

publication Evidence: high

Author Information

Author(s): Oishi Takeshi, Fukaya Keisuke, Sato Takaaki, Chida Noritaka

Primary Institution: Keio University

Conclusion

The study describes the crystal structures of two tetra­cyclic benzoates, revealing similarities in their ring conformations and the presence of hydrogen bonds that form inversion dimers.

Supporting Evidence

  • The crystal structures of the compounds were analyzed and compared.
  • Both compounds exhibited similar ring conformations.
  • Hydrogen bonds were identified that link the molecules into dimers.

Takeaway

Scientists looked at the shapes of two similar molecules made from a plant medicine called Paclitaxel. They found that even though the molecules are a bit different, they stick together in similar ways.

Methodology

The crystal structures were determined using X-ray diffraction techniques.

Digital Object Identifier (DOI)

10.1107/S2056989024012234

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