Synthetic Communications

Convenient Preparation of Bicyclic Guanidines

S Usachev, A Gridnev

Index: Usachev, Sergei; Gridnev, Alexei Synthetic Communications, 2011 , vol. 41, # 24 p. 3683 - 3688

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Citation Number: 4

Abstract

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.