Abstract
AbstractCarbazoles react with a variety of one‐carbon fragments at the 3‐ or 3,6‐positions to give di‐ and trimeric products with CH2: links. These precursors react by losing hydride ion to give blue oligomeric dyes. Carbazoles substituted in the 9‐position by CH2SPh, CH2SOPh, and CH2SO2Ph rearrange to give carbazole oligomers linked at the 3,6‐positions. Products are characterised spectrally, and their mechanism of formation is discussed.
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