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  • Pyrrolopyrrole aza-BODIPY analogues: a facile synthesis and intense fluorescence.

Pyrrolopyrrole aza-BODIPY analogues: a facile synthesis and intense fluorescence.

Chemical communications (Cambridge, England) (2013-01-23)
Soji Shimizu, Taku Iino, Yasuyuki Araki, Nagao Kobayashi
PMID23338046
ABSTRACT

Pyrrolopyrrole aza-BODIPY analogues were synthesized from diketopyrrolopyrrole and heteroaromatic amines in the presence of titanium tetrachloride. These novel compounds exhibit intense absorption in the visible region and strong emission with high fluorescence quantum yields greater than 0.8.

MATERIALS
Product Number
Brand
Product Description
249866
Sigma-Aldrich
Titanium(IV) chloride solution, 1.0 M in methylene chloride
404985
Sigma-Aldrich
Titanium(IV) chloride solution, 0.09 M in 20% HCl
697079
Sigma-Aldrich
Titanium tetrachloride, packaged for use in deposition systems
208566
Sigma-Aldrich
Titanium(IV) chloride, ReagentPlus®, 99.9% trace metals basis
254312
Sigma-Aldrich
Titanium(IV) chloride, ≥99.995% trace metals basis