Complete recipeSource: SI
Route 1: Other
2-5 · Synthesis of Pentacene linker · Fig. S1
Linker precursorspentacenequinone I; tetrachloropentacene II; dichloropentacene III; boronic acid IV; ester V
SolventsPOCl3; DMF; dioxane/H2O; THF/H2O
AdditivesPCl5; NaI; XPhos; Pd2dba3; K3PO4; KOH; HCl
Atmosphereflame-dried glassware; degassed solvent mixture for Suzuki step and hydrolysis
Temperature130; reflux; 100; 100
Time3; 0.5; 72; 24
Oxidant / reductantNaI; Pd-catalysed Suzuki coupling; KOH hydrolysis; HCl acidification
Work-upfiltration and washing after each step; final product filtered, washed with water, and dried under reduced pressure
Show 13 structured reagent records
| Role | Reagent | Amount / concentration | Source |
|---|---|---|---|
| Other | pentacenequinone I | 3.00 g, 9.73 mmol | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Additive | phosphorouspentachloride | 20.3 g, 97.3 mmol, 10.0 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Solvent | phosphorylchloride | 60 mL, 98.4 g, 662 mmol, 68.0 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Reductant | sodiumiodide | 610 mg, 4.09 mmol, 0.45 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Solvent | DMF | 50 mL | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Linker | dichloropentacene III | 50.0 mg, 144 micromol | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Linker | boronic acid IV | 130 mg, 720 micromol, 5.00 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Additive | XPhos | 20.6 mg, 43.2 micromol, 0.30 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Additive | Pd2dba3 | 13.2 mg, 14.4 micromol, 0.10 eq. | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Base | K3PO4(aq) | part of 5 mL 4:1 dioxane/K3PO4(aq) · 1.2 M | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Linker | pentacenederivative V | 250 mg, 457 micromol | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Base | KOH(aq) | part of 30 mL THF/KOH(aq) · 15 M | 2-5 · Synthesis of Pentacene linker · Fig. S1 |
| Acid | concentrated hydrochloric acid | 37% | 2-5 · Synthesis of Pentacene linker · Fig. S1 |