Elongation of the molecular probe DDNP with phenylethynylidene or phenyldiazenylidene spacers

Article abstract of DOI:10.1016/j.tetlet.2014.01.002

In this work, we report the synthesis, X-ray structures, and optical properties of two DDNP analogs containing an unsaturated spacer inserted between the donor N,N-dimethylamino group and the naphthalene ring. The new compounds have longer distances betwe