15-Diazabicyclo[4.3.0]non-5-ene

15-Diazabicyclo[4.3.0]non-5-ene (DBN) can be used as A reagent for the synthesis of -carbolines from tetrahydro--carbolines via dehydrogenativedecarboxylative aromatization. A nucleophilic organocatalyst in the regioselective C-acylation of pyrroles and indoles by FriedelCrafts acylation reaction. A superbase in the formulation of a ternary liquid-liquid phase changing system along with hexadecane and hexanol to capture hydrogen sulfide gas. A base for the preparation of 1H-quinazoline-24-diones from 2-aminobenzonitriles using supercritical carbon dioxide as a reactant and a solvent. A catalyst for the synthesis of benzothiazolones by the reaction between 2-aminothiophenols and CO2 by cyclocarbonylation reaction via C-S bond formation.

For R&D use onlynot for drug household or other uses.

15-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 18-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.