Accepted Manuscript Asymmetric synthesis of the cytotoxic lactone (+)-cardiobutanolide and two novel analogues Ivana Kovačević, Mirjana Popsavin, Marko V. Rodić, Vesna Kojić, Velimir Popsavin PII: S0040-4039(19)30106-6 DOI: https://doi.org/10.1016/j.tetlet.2019.01.059 Reference: TETL 50592 To appear in: Tetrahedron Letters Received Date: 11 January 2019 Revised Date: 28 January 2019 Accepted Date: 30 January 2019 Please cite this article as: Kovačević, I., Popsavin, M., Rodić, M.V., Kojić, V., Popsavin, V., Asymmetric synthesis of the cytotoxic lactone (+)-cardiobutanolide and two novel analogues, Tetrahedron Letters (2019), doi: https:// doi.org/10.1016/j.tetlet.2019.01.059 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.