Accepted Manuscript Synthesis of novel benzopyrano[3,2-c] coumarins via tandem base promoted nucleophilic substitution and intramolecular electrophilic aromatic cyclization Satyanarayana Reddy Jaggavarapu, Anand Solomon Kamalakaran, Jagadeesh Babu Nanubolu, Venkata Prasad Jalli, Sravan Kumar Gangisetty, Gopikrishna Gaddamanugu PII: S0040-4039(14)00779-5 DOI: http://dx.doi.org/10.1016/j.tetlet.2014.05.003 Reference: TETL 44593 To appear in: Tetrahedron Letters Received Date: 21 January 2014 Revised Date: 1 May 2014 Accepted Date: 2 May 2014 Please cite this article as: Jaggavarapu, S.R., Kamalakaran, A.S., Nanubolu, J.B., Jalli, V.P., Gangisetty, S.K., Gaddamanugu, G., Synthesis of novel benzopyrano[3,2-c] coumarins via tandem base promoted nucleophilic substitution and intramolecular electrophilic aromatic cyclization, Tetrahedron Letters (2014), doi: http://dx.doi.org/ 10.1016/j.tetlet.2014.05.003 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.