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Solid-phase synthesis of cyclic sulfonamides employing a ring-closing metathesis–cleavage strategy

✍ Scribed by Richard C.D Brown; José L Castro; Jean-Dominique Moriggi


Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
188 KB
Volume
41
Category
Article
ISSN
0040-4039

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✦ Synopsis


Ring-closing olefin metathesis using the Grubbs catalyst was applied to the cyclisative release of resin-bound sulfonamides. Flexible linkers apparently facilitated the cyclisation-cleavage, allowing a number of novel cyclic sulfonamides to be prepared in good yields using catalytic amounts of the Grubbs catalyst.


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✍ Nicolas Gouault; Jean-François Cupif; Armelle Sauleau; Michèle David 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 163 KB

The solid-phase synthesis of several g-methyl-substituted-g-butyrolactones using a cyclisation±cleavage reaction is reported. Chemical modi®cations of polymer-bound azido (2a) and iodo alcohols (2b) were realised in order to introduce additional diversity onto the lactone structure.