Crystal structures of two different multi-component crystals consisting of 1-(3,4-di­meth­oxy­benz­yl)-6,7-di­meth­oxy­iso­quinoline and fumaric acid
2024

Crystal Structures of Two Multi-Component Crystals

publication Evidence: moderate

Author Information

Author(s): Shibata Hiroki, Sakon Aya, Takata Noriyuki, Takiyama Hiroshi

Primary Institution: Chugai Pharmaceutical Co. Ltd.

Hypothesis

The study aims to synthesize and analyze the crystal structures of two different multi-component crystals consisting of papaverine and fumaric acid.

Conclusion

The study successfully identified two distinct crystal structures: a salt co-crystal and a salt-co-crystal intermediate.

Supporting Evidence

  • Two different multi-component crystals were synthesized.
  • One crystal was identified as a salt co-crystal and the other as a salt-co-crystal intermediate.
  • Single-crystal X-ray analysis was performed to determine the structures.

Takeaway

Scientists made two types of crystals using a medicine and an acid, and they figured out how these crystals are built.

Methodology

Single-crystal X-ray structure analysis was used to determine the crystal structures of the synthesized compounds.

Digital Object Identifier (DOI)

10.1107/S2056989024009794

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