+++Thanks_SkydiVAR_Article from Sciencedirect

[pendyala123]

Action of zinc dust and sodium iodide in N,N-dimethylformamide on contiguous, secondary sulfonyloxy groups: a simple method for introducing nonterminal unsaturation

Carbohydrate Research, Volume 1, Issue 4, December 1965, Pages 338-340

R.Stuart Tipson, A. Cohen

DOI:

http://dx.doi.org/10.1016/S0008-6215(00)81770-X

link:

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http://www.sciencedirect.com/science/article/pii/S000862150081770X

[SkydiVAR]

Neither "Hallo!", no "Thank you for advance!"... You'd better do more politely!