Computed Properties of C4H9ClFN. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride, is researched, Molecular C4H9ClFN, CAS is 136725-55-8, about Fluorine in medicinal chemistry: β-fluorination of peripheral pyrrolidines attached to acridine ligands affects their interactions with G-quadruplex DNA.
Comparative X-ray structure studies reveal that C-F bond incorporation into the peripheral pyrrolidine moieties of the G-quadruplex DNA binding ligand BSU6039 leads to a distinct pyrrolidine ring conformation, relative to the non-fluorinated analog, and with a different binding mode involving reversal of the pyrrolidinium N+-H orientation.
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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem