Abstract
New synthesis of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) was developed from inexpensive and nontoxic chemicals. Guanidine, cyanamide, or their derivatives are heated with bis (3-aminopropyl)amine and a strong acid at 140–180 °C for 7–9 h to form TBD in 95–97% yield.
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