IJOC  Vol.3 No.1 A , April 2013
Solid Phase Synthesis of 3,4,5-Trisubstituted-1,2,4-Triazoles Derivatives from the Resin-Bound Acylhydrazines

An extension of our methodology on solid-phase synthesis of 3,4,5-trisubstituted-1,2,4-triazoles under mild conditions has been developed. Firstly, the resin-bound acylhydrazine is reacted with orthoesters to provide resin-bound 1,3,4-oxadiazoles. Secondly, condensation of 1,3,4-oxadiazoles resin with the corresponding arylamines hydrochloride to form the the resin-bound triazoles. 3,4,5-Trisubstituted-1,2,4-triazoles derivatives were obtained from resin-bound acylhydrazines in several steps providing 78% - 87% overall yields and excellent purity. The advantages of this method include straightforward operation and high yield and purity of the products.

Cite this paper
R. Xie, X. Liu, C. Mai and Z. Liu, "Solid Phase Synthesis of 3,4,5-Trisubstituted-1,2,4-Triazoles Derivatives from the Resin-Bound Acylhydrazines," International Journal of Organic Chemistry, Vol. 3 No. 1, 2013, pp. 35-40. doi: 10.4236/ijoc.2013.31A004.
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