Article

Solvent-Free Synthesis of Soluble, Near-IR Absorbing Titanyl Phthalocyanine Derivatives.

Department of Chemistry, University of Arizona, Tucson, Arizona 85721, United States.
The Journal of Organic Chemistry (impact factor: 4.45). 10/2010; DOI:10.1021/jo1011637
Source: PubMed

ABSTRACT Solvent-free synthesis of a series of alkylthio-substituted titanyl phthalocyanine (TiOPc) derivatives starting from the corresponding phthalonitriles (Pn) is reported. This methodology eliminates the formation of the unmetalated phthalocyanine (H(2)Pc), a side product that makes purification difficult. The alkylthio groups on the reported derivatives enhance solubility in common organic solvents and shift the absorption to the near-IR region.

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Keywords

alkylthio-substituted titanyl phthalocyanine
 
corresponding phthalonitriles
 
makes purification difficult
 
reported derivatives
 
side product
 
Solvent-free synthesis
 
TiOPc
 

Mayank Mayukh