Synthesis evidence

Truxone-Based Conductive Metal-Organic Frameworks for the Oxygen Reductive Reaction

Zhao Q., Jiang J., Zhao W. et al. · Journal of Physical Chemistry C · 2021 · 12690-12698

6 structured synthesis routes

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

Complete recipeSource: Both

Route 1: Other

p002 / article p.12691 · Experimental Section · Scheme S1

Linker precursors5,6-dihydroxy-1-indanone (2)
SolventsDMF
AdditivesK2CO3 base; bromobutane alkylating reagent
Temperature50
Time12
Work-upSolvent removed by rotary evaporation; extraction to remove excess base; column chromatography on silica with dichloromethane/petroleum ether.
Scalability context100 mL flask, gram-scale precursor.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Linker5,6-dihydroxy-1-indanone (2)1.00 g, 6.1 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Otherbromobutane2.51 g, 18.3 mmolp002 / article p.12691 · Experimental Section · Scheme S1
BaseK2CO33.37 g, 24.4 mmolp002 / article p.12691 · Experimental Section · Scheme S1
SolventDMF40 mLp002 / article p.12691 · Experimental Section · Scheme S1
Complete recipeSource: Both

Route 2: Other

p002 / article p.12691 · Experimental Section · Scheme S1

Linker precursors5,6-dimethoxy-1-indanone (1)
Solventsdry CH2Cl2
Temperature-40 then room temperature
Time3 h at -40 deg C plus 30 min after water quench
Oxidant / reductantboron tribromide
Work-upWater quench; vacuum filtration; washed with EtOH, water and CH2Cl2 until supernatant transparent.
ActivationDried under reduced pressure.
Scalability context250 mL flask, gram-scale precursor.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Linker5,6-dimethoxy-1-indanone (1)2.44 g, 12.7 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Solventdry CH2Cl260 mL plus 20 mL for BBr3 solutionp002 / article p.12691 · Experimental Section · Scheme S1
Oxidantboron tribromide6.26 g, 25.4 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Complete recipeSource: Both

Route 3: Other

p002 / article p.12691 · Experimental Section · Scheme S1

Linker precursors5,6-dibutoxy-1-indanone (3)
Solventstoluene
Additivesethylene glycol; p-toluene sulfonic acid
Temperaturereflux
Time24
Work-upToluene removed under vacuum; crude product purified by silica-gel chromatography with 4:1 dichloromethane:petroleum ether.
Scalability context100 mL flask, gram-scale precursor.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Linker5,6-dibutoxy-1-indanone (3)1.00 g, 3.6 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Additiveethylene glycol33.6 uL, 0.6 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Acidp-toluene sulfonic acid2.29 g, 1.2 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Solventtoluene40 mLp002 / article p.12691 · Experimental Section · Scheme S1
Complete recipeSource: Both

Route 4: Other

p002 / article p.12691 · Experimental Section · Scheme S1

Linker precursors2,3,7,8,12,13-hexabutoxyl truxene (4)
Solventstetrahydrofuran; dichloromethane; petroleum ether
Additivespotassium tert-butoxide; NaHCO3 quench
Atmosphereair; flask open
Temperatureroom temperature
Time1
Oxidant / reductantair/O2 exposure during open-flask reaction
Work-upQuenched by NaHCO3 solution; extracted with dichloromethane; column chromatography with dichloromethane and petroleum ether.
Scalability context50 mL flask, 0.50 g precursor.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Linker2,3,7,8,12,13-hexabutoxyl truxene (4)0.50 g, 0.65 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Basepotassium tert-butoxide0.22 g, 1.9 mmolp002 / article p.12691 · Experimental Section · Scheme S1
Solventtetrahydrofuran25 mLp002 / article p.12691 · Experimental Section · Scheme S1
Complete recipeSource: Both

Route 5: Other

p002 / article p.12691 · Experimental Section · Scheme S1; Figures S5-S7

Linker precursors2,3,7,8,12,13-hexabutoxyl truxone (5)
Solventsdichloromethane; water quench
Temperatureroom temperature
Time24
Oxidant / reductantboron tribromide
Work-upWater quench; product obtained by filtration.
Scalability context0.20 g protected truxone precursor.
Show 3 structured reagent records
RoleReagentAmount / concentrationSource
Linker2,3,7,8,12,13-hexabutoxyl truxone (5)0.2 g, 0.24 mmolp002 / article p.12691 · Experimental Section · Scheme S1; Figures S5-S7
Solventdichloromethane20 mLp002 / article p.12691 · Experimental Section · Scheme S1; Figures S5-S7
Oxidantboron tribromide in dichloromethane1.03 mL · 1 mol L-1p002 / article p.12691 · Experimental Section · Scheme S1; Figures S5-S7
Complete recipeSource: Both

Route 6: Liquid Liquid Interface

S10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8

Metal precursorsCu(OAc)2
Linker precursors2,3,7,8,12,13-hexahydroxyl truxone
Solventsethyl acetate; water; acetone wash
Atmospherenot specified; beaker wrapped in plastic
Temperature30
Time48
Work-upReddish black powder collected through vacuum filtration and washed with 20 mL water, 20 mL ethyl acetate and 20 mL acetone.
ActivationVacuum drying at 85 deg C for 24 h to remove absorbed acetone.
Scalability context1000 mL beaker, 48 mg linker, 200 mL ethyl acetate and 200 mL water phases.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Linker2,3,7,8,12,13-hexahydroxyl truxone48.0 mg, 1 eq.S10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8
Solventethyl acetate (EA)200 mLS10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8
Metal SourceCu(OAc)227.2 mg, 1.5 equivalentsS10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8
Solventwater200 mLS10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8
Solventacetone20 mL washS10 · Synthesis of the truxone-Cu based MOF · Scheme S2; Figure S8