1,5-Diazabicyclo(4.3.0)non-5-ene

1,5-Diazabicyclo[4.3.0]non-5-ene

IUPAC name	1,5-Diazabicyclo[4.3.0]non-5-ene
Other names	DBN
Identifiers
CAS number	3001-72-7
SMILES	N1(CCC2)C2=NCCC1
Properties
Molecular formula	C₇H₁₂N₂
Molar mass	124.18 g/mol
Density	1.005 g/cm³
Boiling point	95–98 °C at 7.5 mmHg
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

For the record label, see Drop Bass Network (DBN)

1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) is a chemical compound with the formula C₇H₁₂N₂.^[1] It is an amidine base used in organic synthesis. A related compound with a 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.

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The compounds are employed for dehydrohalogenation reactions as well as base-catalyzed rearrangements.

References

^ Ann C. Savoca, A. C. "1,5-Diazabicyclo[4.3.0]non-5-ene" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. doi:10.1002/047084289

Categories: Amidines | Nitrogen heterocycles | Reagents for organic chemistry