Synthesis evidence

Redox-Active 1D Coordination Polymers of Iron-Sulfur Clusters

Horwitz N.E., Xie J., Filatov A.S. et al. · Journal of the American Chemical Society · 2019 · 3940-3951

8 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Complete recipeSource: Main

Route 1: Solvothermal

3946 · Experimental Section - [Fe4S4(BDT)2][TBA]2 (1)

Metal precursors[Fe4S4(SPh)4][TBA]2 (192 mg, 0.15 mmol)
Linker precursors1,4-benzenedithiol (43 mg, 0.30 mmol)
SolventsDMF, total 15 mL
Additives[Li][CF3SO3] (117 mg, 0.75 mmol)
AtmosphereInert/dry N2 conditions per General Methods
Temperature140
Time48
Work-upCentrifuged; washed with DMF (4 x 2 mL) and THF (3 x 2 mL); dried under vacuum.
ActivationDried under vacuum
Scalability context24 mL vial scale; isolated yield 102 mg, 61%.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal Source[Fe4S4(SPh)4][TBA]2192 mg, 0.15 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TBA]2 (1)
Linker1,4-benzenedithiol43 mg, 0.30 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TBA]2 (1)
SolventDMF12 mL + 3 mL3946 · Experimental Section - [Fe4S4(BDT)2][TBA]2 (1)
Additive[Li][CF3SO3]117 mg, 0.75 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TBA]2 (1)
Complete recipeSource: Main

Route 2: Solvothermal

3946 · Experimental Section - [Fe4S4(BDT)2][TMA]2 (2)

Metal precursors[Fe4S4(SPh)4][TMA]2 (140 mg, 0.15 mmol)
Linker precursors1,4-benzenedithiol (43 mg, 0.30 mmol)
SolventsMeCN, total 15 mL
Additives[Li][CF3SO3] (936 mg, 6.0 mmol)
AtmosphereInert/dry N2 conditions per General Methods
Temperature100
Time48
Work-upCentrifuged; washed with MeCN (4 x 2 mL); dried under vacuum.
ActivationDried under vacuum
Scalability context24 mL vial scale; isolated yield 68 mg, 58%.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Metal Source[Fe4S4(SPh)4][TMA]2140 mg, 0.15 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TMA]2 (2)
Linker1,4-benzenedithiol43 mg, 0.30 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TMA]2 (2)
SolventMeCN9 mL + 6 mL3946 · Experimental Section - [Fe4S4(BDT)2][TMA]2 (2)
Additive[Li][CF3SO3]936 mg, 6.0 mmol3946 · Experimental Section - [Fe4S4(BDT)2][TMA]2 (2)
Complete recipeSource: Main

Route 3: Other

3946 · Experimental Section - Treatment with [R4N][PF6] · Table S1

Metal precursorsCompound 1 (0.05 mmol, 55 mg)
SolventsDMF/MeCN (5 mL)
Additives[TBA][PF6] (0.25 mmol, 67 mg)
AtmosphereGlovebox
Temperature100
Timeovernight
Work-upCentrifuged; washed with fresh DMF/MeCN and THF; dried for hours under vacuum.
ActivationDried under vacuum
Show 2 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 10.05 mmol, 55 mg3946 · Experimental Section - Treatment with [R4N][PF6] · Table S1
Additive[TBA][PF6]0.25 mmol, 67 mg3946 · Experimental Section - Treatment with [R4N][PF6] · Table S1
Complete recipeSource: Main

Route 4: Other

3946 · Experimental Section - Oxidative Doping Experiments · Figure S16

Metal precursorsCompound 1 (0.05 mmol, 56 mg)
SolventsMeCN (4 mL) and MeOH (1 mL)
AdditivesExcess [TMA][Br] (5 equiv, 0.25 mmol, 38 mg)
AtmosphereInert atmosphere implied by General Methods
Temperatureroom temperature
Timeovernight
Oxidant / reductant[Fc][BF4] (0.5 equiv, 0.025 mmol, 7 mg)
Work-upCentrifuged; washed with MeCN until wash solvent was colourless; dried under vacuum.
ActivationDried under vacuum
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 10.05 mmol, 56 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S16
Oxidant[Fc][BF4]0.5 equiv, 0.025 mmol, 7 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S16
Additive[TMA][Br]5 equiv, 0.25 mmol, 38 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S16
Complete recipeSource: Main

Route 5: Other

3946 · Experimental Section - Reductive Doping Experiments · Figure S15; Table 1

Metal precursorsCompound 1 (0.05 mmol, 56 mg)
SolventsTHF (5 mL)
AdditivesExcess [Li][CF3SO3] (5 equiv, 0.25 mmol, 39 mg)
AtmosphereInert atmosphere implied by General Methods
Temperatureroom temperature
Timeovernight
Oxidant / reductantCoCp*2 (0.5 equiv, 0.025 mmol, 8 mg)
Work-upCentrifuged; washed with THF until wash solvent was colourless; dried under vacuum.
ActivationDried under vacuum
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 10.05 mmol, 56 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S15; Table 1
ReductantCoCp*20.5 equiv, 0.025 mmol, 8 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S15; Table 1
Additive[Li][CF3SO3]5 equiv, 0.25 mmol, 39 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S15; Table 1
SolventTHF5 mL3946 · Experimental Section - Reductive Doping Experiments · Figure S15; Table 1
Complete recipeSource: Main

Route 6: Other

3946 · Experimental Section - Oxidative Doping Experiments · Figure S18

Metal precursorsCompound 2 (0.05 mmol, 39 mg)
SolventsMeCN (4 mL) and MeOH (1 mL)
AdditivesExcess [TMA][Br] (5 equiv, 0.25 mmol, 38 mg)
AtmosphereInert atmosphere implied by General Methods
Temperatureroom temperature
Timeovernight
Oxidant / reductant[Fc][BF4] (0.5 equiv, 0.025 mmol, 7 mg)
Work-upCentrifuged; washed with MeCN until wash solvent was colourless; dried under vacuum.
ActivationDried under vacuum
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 20.05 mmol, 39 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S18
Oxidant[Fc][BF4]0.5 equiv, 0.025 mmol, 7 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S18
Additive[TMA][Br]5 equiv, 0.25 mmol, 38 mg3946 · Experimental Section - Oxidative Doping Experiments · Figure S18
Complete recipeSource: Main

Route 7: Other

3946 · Experimental Section - Reductive Doping Experiments · Figure S17; Table 1

Metal precursorsCompound 2 (0.05 mmol, 39 mg)
SolventsTHF (5 mL)
AdditivesExcess [Li][CF3SO3] (5 equiv, 0.25 mmol, 39 mg)
AtmosphereInert atmosphere implied by General Methods
Temperatureroom temperature
Timeovernight
Oxidant / reductantCoCp*2 (0.5 equiv, 0.025 mmol, 8 mg)
Work-upCentrifuged; washed with THF until wash solvent was colourless; dried under vacuum.
ActivationDried under vacuum
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 20.05 mmol, 39 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S17; Table 1
ReductantCoCp*20.5 equiv, 0.025 mmol, 8 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S17; Table 1
Additive[Li][CF3SO3]5 equiv, 0.25 mmol, 39 mg3946 · Experimental Section - Reductive Doping Experiments · Figure S17; Table 1
SolventTHF5 mL3946 · Experimental Section - Reductive Doping Experiments · Figure S17; Table 1
Complete recipeSource: Main

Route 8: Other

3946 · Experimental Section - Chemical Reduction of 2 in Solution · Figures S24, S25, S27, S41, S42

Metal precursorsCompound 2 in DMF (27 mL, 34 mg, 0.043 mmol)
SolventsDMF; Et2O for precipitation
AtmosphereInert atmosphere implied by General Methods
Temperatureroom temperature
Timeovernight
Oxidant / reductant[Na][C12H8] solution (0.5 equiv, 1.24 mL, 0.022 mmol)
Work-upReduced solid precipitated by equal volume Et2O, centrifuged, washed with THF (4 x 2 mL), dried under vacuum.
ActivationDried under vacuum
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
OtherCompound 234 mg, 0.043 mmol · 27 mL DMF3946 · Experimental Section - Chemical Reduction of 2 in Solution · Figures S24, S25, S27, S41, S42
Reductant[Na][C12H8]0.5 equiv, 1.24 mL, 0.022 mmol3946 · Experimental Section - Chemical Reduction of 2 in Solution · Figures S24, S25, S27, S41, S42
SolventDMF27 mL3946 · Experimental Section - Chemical Reduction of 2 in Solution · Figures S24, S25, S27, S41, S42
SolventEt2Oequal volume3946 · Experimental Section - Chemical Reduction of 2 in Solution · Figures S24, S25, S27, S41, S42