Accepted Manuscript ZnCl 2 Catalyzed Efficient Synthesis of 1,3,4-Oxadiazole and 1,3,4-Thiadiazole Md.A. Rahman, Mohammad R. Karim, Md. Arifuzzaman, Tasneem A. Siddiquee, Aminul H. Mirza PII: S0040-4039(14)00658-3 DOI: http://dx.doi.org/10.1016/j.tetlet.2014.04.046 Reference: TETL 44508 To appear in: Tetrahedron Letters Received Date: 25 January 2014 Revised Date: 10 April 2014 Accepted Date: 14 April 2014 Please cite this article as: Rahman, Md.A., Karim, M.R., Arifuzzaman, Md., Siddiquee, T.A., Mirza, A.H., ZnCl 2 Catalyzed Efficient Synthesis of 1,3,4-Oxadiazole and 1,3,4-Thiadiazole, Tetrahedron Letters (2014), doi: http:// dx.doi.org/10.1016/j.tetlet.2014.04.046 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.