1,5-diazabicyclo(4.3.0)non-5-ene
Encyclopedia
1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) is a chemical compound
with the formula C7H12N2. It is an amidine
base used in organic synthesis
. A related compound with related functions is 1,8-diazabicyclo[5.4.0]undec-7-ene
(DBU). The relatively complex nature of the formal names for DBU and DBN (hence the common use of acronyms) reflects the fact that these compounds are bicyclic and contain several functional groups.
The compounds are employed for dehydrohalogenation
reactions as well as base-catalyzed rearrangements
.
Chemical compound
A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together...
with the formula C7H12N2. It is an amidine
Amidine
Amidines are a class of oxoacid derivatives.The oxoacid from which an amidine is derived must be of the form RnEOH, where R is a substituent...
base used in organic synthesis
Organic synthesis
Organic synthesis is a special branch of chemical synthesis and is concerned with the construction of organic compounds via organic reactions. Organic molecules can often contain a higher level of complexity compared to purely inorganic compounds, so the synthesis of organic compounds has...
. A related compound with related functions is 1,8-diazabicyclo[5.4.0]undec-7-ene
DBU (chemistry)
1,8-Diazabicyclo[5.4.0]undec-7-ene, or more commonly DBU, is a chemical compound and belongs to the class of amidine compounds. It is used in organic synthesis as a catalyst and complexing ligand and a strong non-nucleophilic base.It is used as a curing agent for epoxy; it is used as a protecting...
(DBU). The relatively complex nature of the formal names for DBU and DBN (hence the common use of acronyms) reflects the fact that these compounds are bicyclic and contain several functional groups.
The compounds are employed for dehydrohalogenation
Dehydrohalogenation
Dehydrohalogenation is an organic reaction from which an alkene is obtained from an alkyl halide . It is also called a β-Elimination reaction and is a type of elimination reaction....
reactions as well as base-catalyzed rearrangements
Rearrangement reaction
A rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule. Often a substituent moves from one atom to another atom in the same molecule...
.