+++Thanks_kms_1 article from RSC

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Diastereoselective one-pot Wittig olefination–Michael addition and olefin cross metathesis strategy for total synthesis of cytotoxic natural product (+)-varitriol and its higher analogues
Partha Ghosal, Deepty Sharma, Brijesh Kumar, Sanjeev Meena, Sudhir Sinha and Arun K. Shaw
Org. Biomol. Chem., 2011,9, 7372-7383

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http://pubs.rsc.org/en/content/articlelanding/2011/ob/c1ob06039b/unauth#!divAbstract

DOI:

http://dx.doi.org/10.1039/C1OB06039B

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OBC.pdf