Fig. 2: Solution-phase synthetic strategy for discrete oligomers. | Nature Communications

Fig. 2: Solution-phase synthetic strategy for discrete oligomers.

From: Regio- and sequence-controlled conjugated topological oligomers and polymers via boronate-tag assisted solution-phase strategy

Fig. 2

a Synthetic schemes for regio- and sequence-defined oligomers via MIDA boronate iterative coupling, (i) Suzuki coupling reaction (Pd(OAc)2, RuPhos, and anhydrous THF, 70 °C); (ii) hydrolysis reaction (THF/NaOH aqueous solution). b Purification of MIDA boronates in automatic flash chromatography via monitoring the UV-absorption values at 254 nm (red line) and 280 nm (gray line). c Purification of MIDA boronates in Et2O via precipitation and washing. d Aromatic monomers used in the syntheses. e Synthesized regio- and sequence-defined conjugated oligomers.

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