Accepted Manuscript Semireduction of alkynoic acids via a transition metal-free α borylation- protodeborylation sequence Astha Verma, R. Justin Grams, Brett P. Rastatter, Webster L. Santos PII: S0040-4020(19)30180-2 DOI: https://doi.org/10.1016/j.tet.2019.02.030 Reference: TET 30153 To appear in: Tetrahedron Received Date: 13 December 2018 Revised Date: 7 February 2019 Accepted Date: 14 February 2019 Please cite this article as: Verma A, Grams RJ, Rastatter BP, Santos WL, Semireduction of alkynoic acids via a transition metal-free α borylation-protodeborylation sequence, Tetrahedron (2019), doi: https://doi.org/10.1016/j.tet.2019.02.030. 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.