Catalytic guanylation of aliphatic, aromatic, heterocyclic primary and secondary amines using nanocrystalline zinc(II) oxide
Date
2012
Authors
Kantam, M.L.
Priyadarshini, S.
Joseph, P.J.A.
Srinivas, P.
Vinu, A.
Klabunde, K.J.
Nishina, Y.
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Advisors
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Journal article
Citation
Tetrahedron, 2012; 68(29):5730-5737
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Abstract
Nanocrystalline ZnO was found to be a highly efficient heterogeneous catalyst for the guanylation of amines with various carbodiimides to afford N,N′,N″-trisubstituted guanidines in excellent yields. Structurally divergent aliphatic, aromatic, heterocyclic primary and secondary amines were converted to the corresponding N,N′,N″-trisubstituted guanidines using optimal conditions. The catalyst was easy to handle even under atmospheric conditions and can be easily recovered by centrifugation and reused for five cycles with consistent activity.
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Data source: Supplementary material, http://www.sciencedirect.com/science/MiamiMultiMediaURL/1-s2.0-S0040402012007508/1-s2.0-S0040402012007508-mmc1.doc/271372/html/S0040402012007508/6e2e77bbdc3557f2e8c330ff3d1c4da4/mmc1.doc
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Copyright 2012 Elsevier