Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 73, Issue 2, Pages 723-725Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo701793h
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Funding
- NCI NIH HHS [R01 CA109754, R21 CA123537, R33 CA 100972] Funding Source: Medline
- NIBIB NIH HHS [R01 EB1430] Funding Source: Medline
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[GRAPHICS] Diverse meso-aminophenyl-, hydroxyphenyl-, and phenyl-substituted heptamethine cyanine dyes were prepared by a modified Suzuki-Miyaura method in good yields. In addition, direct Suzuki coupling of Vilsmeier-Haack reagent extends the procedure to the synthesis of otherwise difficult cyanine dyes containing multiple heteroatoms in the indolium ring. The new compounds possess excellent spectral properties and can be used to label bioactive molecules and nanoparticles. The one-pot synthesis procedure eliminates the cumbersome steps of protecting/deprotecting amino or hydroxy groups.
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