7-Methyl-1,5,7-triazabicyclo .4.0ec-5-ene (mTBD) is a

bicyclic In chemistry, a bicyclic molecule () is a molecule that features two joined rings. Bicyclic structures occur widely, for example in many biologically important molecules like α-thujene and camphor. A bicyclic compound can be carbocyclic (all o ...

strong

guanidine Guanidine is the compound with the formula HNC(NH2)2. It is a colourless solid that dissolves in polar solvents. It is a strong base that is used in the production of plastics and explosives. It is found in urine predominantly in patients experie ...

base (p''K''_a = 25.43 in CH₃CN and p''K''_a = 17.9 in

THF Tetrahydrofuran (THF), or oxolane, is an organic compound with the formula (CH2)4O. The compound is classified as heterocyclic compound, specifically a cyclic ether. It is a colorless, water- miscible organic liquid with low viscosity. It is ...

). mTBD, like 1,5,7-triazabicyclo .4.0ec-5-ene and other guanidine super bases, can be used as a

catalyst Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...

in a variety of chemical reactions. It also reacts with CO₂, which could make it useful for

carbon capture and storage Carbon capture and storage (CCS) or carbon capture and sequestration is the process of capturing carbon dioxide (CO2) before it enters the atmosphere, transporting it, and storing it (carbon sequestration) for centuries or millennia. Usually th ...

. When brought into contact with some acids, mTBD reacts to form an

ionic liquid An ionic liquid (IL) is a salt in the liquid state. In some contexts, the term has been restricted to salts whose melting point is below a specific temperature, such as . While ordinary liquids such as water and gasoline are predominantly made of ...

. Some of these ionic liquids can dissolve

cellulose Cellulose is an organic compound with the formula , a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall ...

References

{{DEFAULTSORT:Methyl-1,5,7-triazabicyclo(4.4.0)dec-5-ene, 7- Catalysts Guanidines Pyrimidopyrimidines Amines Reagents for organic chemistry Superbases