57196-62-0, Name is 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, belongs to tetrahydroisoquinoline compound, is a common compound. Safety of 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochlorideIn an article, once mentioned the new application about 57196-62-0.
A porous 4-fold-interpenetrated chiral framework exhibiting vapochromism, single-crystal-to-single-crystal solvent exchange, gas sorption, and a poisoning effect
The synthesis and characterization of a 4-fold-interpenetrated pseudodiamond metal-organic framework (MOF), CoII(pybz) 2¡¤2DMF [pybz = 4-(4-pyridyl)benzoate], are reported. N,N-Dimethylformamide (DMF) of the channels can be removed to give the porous framework, and it can also be exchanged for methanol, ethanol, benzene, and cyclohexane. It is a rare example of a stable MOF based on a single octahedral building unit. The single-crystal structures of CoII(pybz) 2¡¤2DMF, CoII(pybz)2, Co II(pybz)2¡¤4MeOH, and CoII(pybz) 2¡¤2.5EtOH have been successfully determined. In all of them, the framework is marginally modified and contains a highly distorted and strained octahedral node of cobalt with two pyridine nitrogen atoms and two chelate carboxylate groups. In air, the crystals of CoII(pybz) 2¡¤2DMF readily change color from claret red to light pink. Thermogravimetric analysis and Raman spectroscopy indicate a change in coordination, where the carboxylate becomes monodentate and an additional two water molecules are coordinated to each cobalt atom. In a dry solvent, this transformation does not take place. Tests show that CoII(pybz) 2 may be a more efficient drying agent than silica gel and anhydrous CuSO4. The desolvated CoII(pybz)2 can absorb several gases such as CO2, N2, H2, and CH 4 and also vapors of methanol, ethanol, benzene, and cyclohexane. If CoII(pybz)2 is exposed to air and followed by reactivation, its sorption capacity is considerably reduced, which we associate with a poisoning effect. Because of the long distance between the cobalt atoms in the structure, the magnetic properties are those of a paramagnet.
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Reference£º
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem