Synthesis evidence

Two-dimensional conductive metal-organic framework with 2,3,6,7,14,15-triptycenehexathiol (TCHT) ligand: synthesis, structure, electrical conductivity and CO2RR activity

Murakami W., Kitayama T., Chiba Y. et al. · Journal of Materials Chemistry A · 2025 · 25724-25731

7 structured synthesis routes

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

Complete recipeSource: SI

Route 1: Drop Cast

S3-S4 · Electrocatalytic Performance Measurement for the CO2RR

SolventsTHF; ethanol
AdditivesMaxsorb porous carbon; 5 wt% Nafion dispersion
Atmospherenot specified for loading/electrode preparation
Temperature60
Timeovernight drying; 30 min sonication for ink
Substrate orientationgas diffusion electrode
Work-upLoad Cu-BHT on Maxsorb analogously; dry under vacuum at 60 C overnight; prepare catalyst ink with Nafion and ethanol; spray to GDE; vacuum-dry.
ActivationVacuum drying at 60 C overnight before and after GDE ink spraying.
Scalability contextComparator composite mass ratio Cu-BHT:Maxsorb approximately 1:3.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
OtherCu-BHT4.92 mgS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
AdditiveMaxsorb14.76 mgS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
SolventTHFnot specifiedS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
AdditiveNafion dispersion10 uL per 3 mg catalyst ink · 5 wt%S3-S4 · Electrocatalytic Performance Measurement for the CO2RR
Solventethanol300 uL per 3 mg catalyst inkS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
Vague recipeSource: Main

Route 2: Unknown

25725 · Chemicals

Linker precursorsBHT
Show 1 structured reagent record
RoleReagentAmount / concentrationSource
Linkerbenzenehexathiol (BHT)Not specified25725 · Chemicals
Complete recipeSource: Main

Route 3: Other

25726 · Synthesis of Cu-TCHT · Scheme 1c

Metal precursorscopper(II) acetate monohydrate
Linker precursorsTCHT
Solventsdichloromethane; methanol
Atmospherenitrogen atmosphere except filtration; all solutions nitrogen-bubbled before use
Temperatureroom temperature
Timeovernight
Work-upImmediate brown-black precipitate; stirred overnight; filtered under atmospheric condition.
Scalability contextReported isolated mass 53.2 mg.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
LinkerTCHT38.0 mg, 0.086 mmol25726 · Synthesis of Cu-TCHT · Scheme 1c
Solventdichloromethane25 mL25726 · Synthesis of Cu-TCHT · Scheme 1c
Metal Sourcecopper(II) acetate monohydrate50.9 mg, 0.26 mmol25726 · Synthesis of Cu-TCHT · Scheme 1c
Solventmethanol30 mL25726 · Synthesis of Cu-TCHT · Scheme 1c
Complete recipeSource: SI

Route 4: Drop Cast

S3-S4 · Electrocatalytic Performance Measurement for the CO2RR

SolventsTHF; ethanol
AdditivesMaxsorb porous carbon; 5 wt% Nafion dispersion
Atmospherenot specified for loading/electrode preparation
Temperature60
Timeovernight drying; 30 min sonication for ink
Substrate orientationgas diffusion electrode
Work-upLoad Cu-TCHT on Maxsorb by THF addition and 3 min sonication; dry under vacuum at 60 C overnight; mix 3 mg catalyst with Nafion/ethanol by ultrasonic bath for 30 min; spray ink with airbrush; vacuum-dry at 60 C overnight.
ActivationVacuum drying at 60 C overnight before and after GDE ink spraying.
Scalability contextComposite mass ratio Cu-TCHT:Maxsorb approximately 1:3.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
OtherCu-TCHT5.41 mgS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
AdditiveMaxsorb16.23 mgS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
SolventTHF5 mLS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
AdditiveNafion dispersion10 uL · 5 wt%S3-S4 · Electrocatalytic Performance Measurement for the CO2RR
Solventethanol300 uLS3-S4 · Electrocatalytic Performance Measurement for the CO2RR
Complete recipeSource: Main

Route 5: Other

25725 · Synthesis of HBTC

Linker precursorstriptycene
Solventsanhydrous dichloromethane
Additivesiron powder; bromine; saturated NaHCO3 quench trap; saturated aqueous sodium sulfite quench
Atmosphereconstant nitrogen flow
Temperature-30
Time48
Oxidant / reductantbromine
Work-upQuench with saturated sodium sulfite solution; suction filtration; wash with methanol until filtrate colourless.
Scalability contextReported yield 1945 mg, 66.8%.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
Linkertriptycene1020 mg, 4.0 mmol25725 · Synthesis of HBTC
Solventanhydrous dichloromethane20 mL plus 50 mL for bromine dilution25725 · Synthesis of HBTC
Additiveiron powder100 mg25725 · Synthesis of HBTC
Oxidantbromine1.35 mL, 26.2 mmol25725 · Synthesis of HBTC
Complete recipeSource: Main

Route 6: Other

25726 · Synthesis of HMTTC · Scheme 2

Metal precursorscopper(I) iodide used as reagent
Linker precursorsHBTC
Solventsdimethyl sulfoxide; dichloromethane; hexane
Additives1,4-diazabicyclo[2.2.2]octane (DABCO); aqueous NaOH; MgSO4; Celite
Atmospherenot specified for microwave step
Temperature160
Time15
Oxidant / reductantcopper(I) iodide
Work-upAdd dichloromethane; wash three times with 0.35 M NaOH; dry over MgSO4; filter; remove solvent; load onto Celite; automated flash chromatography with dichloromethane and hexane; dry under reduced pressure.
Scalability contextReported yield 200 mg, 43%.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
LinkerHBTC600 mg, 0.82 mmol25726 · Synthesis of HMTTC · Scheme 2
Othercopper(I) iodide1120 mg, 5.88 mmol25726 · Synthesis of HMTTC · Scheme 2
Base1,4-diazabicyclo[2.2.2]octane450 mg, 4.00 mmol25726 · Synthesis of HMTTC · Scheme 2
Solventdimethyl sulfoxide20 mL25726 · Synthesis of HMTTC · Scheme 2
Complete recipeSource: Main

Route 7: Other

25726 · Synthesis of TCHT · Scheme 2

Linker precursorsHMTTC
Solventsliquid ammonia; methanol; water; diethyl ether; dichloromethane
Additivesdilute hydrochloric acid
Atmospheredehydrated nitrogen atmosphere; all solutions nitrogen-bubbled; extraction in nitrogen glovebox
Temperature-78
Time3
Oxidant / reductantmetallic sodium Birch reduction
Work-upQuench slowly with methanol; evaporate ammonia; add water; wash three times with diethyl ether; add dilute HCl; filter precipitate in air; wash with water and methanol; extract with dichloromethane in nitrogen glovebox; remove solvent under anaerobic reduced pressure.
Scalability contextReported yield 490 mg, 81%.
Show 4 structured reagent records
RoleReagentAmount / concentrationSource
LinkerHMTTC980 mg, 1.35 mmol25726 · Synthesis of TCHT · Scheme 2
Reductantmetallic sodium1.1 g, 48 mmol25726 · Synthesis of TCHT · Scheme 2
Solventliquid ammonia50 mL25726 · Synthesis of TCHT · Scheme 2
Solventmethanol20 mL25726 · Synthesis of TCHT · Scheme 2