Synthesis evidence

Synthesis, Characterization, and Catalytic Performance of a New Heterobimetallic Y/Tb Metal-Organic Framework with High Catalytic Activity

Lopez-Vargas M.E., Perez J.M., Echenique-Errandonea E. et al. · ACS Omega · 2024 · 26549-26559

3 structured synthesis routes

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

Complete recipeSource: SI

Route 1: Solvothermal

p005 / S5 · General procedures

Metal precursorsTb(NO3)3.5H2O (0.019 g, 0.0434 mmol).
Linker precursors3-amino-4-hydroxybenzoic acid (0.010 g, 0.0625 mmol).
SolventsDistilled water and DMF: metal solution initially in 0.8 mL water then plus 0.2 mL DMF; ligand solution initially in 0.2 mL DMF then plus 0.8 mL water.
AdditivesEt3N, 10 uL (0.072 mmol).
AtmosphereNot specified for MOF synthesis; screw-capped vial.
Temperature100
Time2
Work-upStir resulting MOF for 1 h in 2 mL distilled water to remove excess ligand, then filter.
ActivationNo separate activation reported.
Scalability contextNo scaled-up Tb-MOF synthesis was reported.
Show 5 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceTb(NO3)3.5H2O0.019 g, 0.0434 mmolp005 / S5 · General procedures
Linker3-amino-4-hydroxybenzoic acid0.010 g, 0.0625 mmolp005 / S5 · General procedures
Solventdistilled water0.8 mL for metal solution; 0.8 mL added to ligand solution; 2 mL workupp005 / S5 · General procedures
SolventDMF0.2 mL containing linker; 0.2 mL added to metal solutionp005 / S5 · General procedures
BaseEt3N10 uL, 0.072 mmolp005 / S5 · General procedures
Complete recipeSource: Both

Route 2: Solvothermal

p005-p006 / S5-S6 · General procedures

Metal precursorsY(NO3)3.6H2O (0.132 g, 0.3468 mmol) and Tb(NO3)3.5H2O (0.072 g, 0.174 mmol), dissolved in 1 mL water.
Linker precursors3-amino-4-hydroxybenzoic acid (0.2 g, 1.2 mmol).
SolventsDMF/H2O mixture 3 mL/2 mL for ligand solution; 1 mL water for metal salts.
AdditivesEt3N, 200 uL (1.44 mmol).
AtmosphereNot specified for MOF synthesis; 25 mL screw-capped vial.
Temperature100
Time2
Work-upStir resulting MOF for 1 h in 10 mL distilled water, then filter; purity confirmed by PXRD.
ActivationNo separate activation reported.
Scalability contextScaled-up procedure produced 75-85 mg, higher than the no-more-than-4 mg small-scale isolated amounts reported in the main text.
Show 6 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceY(NO3)3.6H2O0.132 g, 0.3468 mmolp005-p006 / S5-S6 · General procedures
Metal SourceTb(NO3)3.5H2O0.072 g, 0.174 mmolp005-p006 / S5-S6 · General procedures
Linker3-amino-4-hydroxybenzoic acid0.2 g, 1.2 mmolp005-p006 / S5-S6 · General procedures
SolventDMF/H2O3 mL/2 mL for ligand solutionp005-p006 / S5-S6 · General procedures
Solventwater1 mL for metal solution; 10 mL workupp005-p006 / S5-S6 · General procedures
BaseEt3N200 uL, 1.44 mmolp005-p006 / S5-S6 · General procedures
Complete recipeSource: Both

Route 3: Solvothermal

p005 / S5 · General procedures

Metal precursorsY(NO3)3.6H2O (0.011 g, 0.0289 mmol) and Tb(NO3)3.5H2O (0.006 g, 0.0145 mmol); SI states ratio 1:2 respectively but the listed mmol correspond to about 2:1 Y:Tb.
Linker precursors3-amino-4-hydroxybenzoic acid (0.010 g, 0.0625 mmol).
SolventsDistilled water and DMF: metal solution initially in 0.8 mL water then plus 0.2 mL DMF; ligand solution initially in 0.2 mL DMF then plus 0.8 mL water.
AdditivesEt3N, 10 uL (0.072 mmol).
AtmosphereNot specified for MOF synthesis; screw-capped vial.
Temperature100
Time2
Work-upStir resulting MOF for 1 h in 2 mL distilled water to remove excess ligand, then filter.
ActivationNo separate evacuation/thermal activation reported for the as-synthesised MOF.
Scalability contextMain text reports 1:2, 1:1 and 2:1 precursor ratios all gave no more than 4 mg; SI states 1:2 gave the highest isolated yield of 20%.
Show 6 structured reagent records
RoleReagentAmount / concentrationSource
Metal SourceY(NO3)3.6H2O0.011 g, 0.0289 mmolp005 / S5 · General procedures
Metal SourceTb(NO3)3.5H2O0.006 g, 0.0145 mmolp005 / S5 · General procedures
Linker3-amino-4-hydroxybenzoic acid0.010 g, 0.0625 mmolp005 / S5 · General procedures
Solventdistilled water0.8 mL for metal solution; 0.8 mL added to ligand solution; 2 mL wash/stirring workupp005 / S5 · General procedures
SolventDMF0.2 mL containing linker; 0.2 mL added to metal solutionp005 / S5 · General procedures
BaseEt3N10 uL, 0.072 mmolp005 / S5 · General procedures