✦ LIBER ✦

2-(chloromethyl)-3-tosylpropene as useful reagent for the general synthesis of functionalized 2-substituted 1,3-dienes. Application to the synthesis of (±)-ipsenol

✍ Scribed by Carmen Nájera; José Miguel Sansano

Publisher: Elsevier Science
Year: 1993
Tongue: French
Weight: 260 KB
Volume: 34
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)79227-6

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✦ Synopsis

The reaction of the monolithium derivative of 2-(ckloromethyl)-3-tosylpropene (2) with bmwmethy1trim&y1r dfords the p-8ilyl sldfone 7. which aftex mwhphik lutbstitutiocl followed by fluoride induced @.hnbtion of to8yltrimethylsilrme gives 2-sulnltituted omjllgated dialed L whal cxnnpod 7 reacts first with zinc in the presence of iaovalemldehyde and that with ktrabutylamttonitmt fluoride'raccmic ipsend (10). an qpg&mphaomgsofIhebaskbc&Ipapt3nnxyiuusLaoia.L~

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