Ortho­rhombic polymorph of (6,7-dimeth­oxy-1,2,3,4-tetra­hydro­isoquinolin-1-yl)methanol C12H17NO3
2011

Study of a New Polymorph of a Tetrahydroisoquinoline Compound

publication Evidence: moderate

Author Information

Author(s): Elkhamlichi Aouicha, Lachkar Mohammed, El Bali Brahim, Dusek Michal, Fejfarova Karla

Primary Institution: Laboratory of Engineering of Organometallic and Molecular Materials, LIMOM, URAC 19, Department of Chemistry, Faculty of Sciences, PO Box 1796, 30000 Fès, Morocco

Hypothesis

The study investigates the crystal structure of a new orthorhombic polymorph of 1-hydroxymethyl-7–8-dimethoxy-1,2,3,4-tetrahydroisoquinoline.

Conclusion

The new orthorhombic form of the compound exhibits different molecular packing and hydrogen bonding compared to its monoclinic counterpart.

Supporting Evidence

  • The study reports the crystal structure of a new orthorhombic polymorph of a known compound.
  • Two independent molecules with different conformations were found in the asymmetric unit.
  • Hydrogen bonds play a crucial role in the molecular arrangement of the compound.

Takeaway

Scientists looked at a new version of a chemical compound that can exist in two different forms, and they found that the way the molecules are arranged is different in each form.

Methodology

The compound was crystallized from the same solvent at different temperatures, and its structure was determined using X-ray diffraction.

Limitations

The study does not explore the biological implications of the polymorphism.

Digital Object Identifier (DOI)

10.1107/S1600536811019866

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication