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Electrophilic substitution of allylsilanes: synthesis of β,γ-unsaturated 1,3-dithianes

✍ Scribed by Christer Westerlund


Book ID
104219736
Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
217 KB
Volume
23
Category
Article
ISSN
0040-4039

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✦ Synopsis


Regiospecific substitution of some allylsiZanes using 1,Sdithieniwn tetrafluoroborate as a formyZ cation equivalent is described.


📜 SIMILAR VOLUMES


Regioselective SN′ allylic substitution
✍ C Girard; I Romain; M Ahmar; R Bloch 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 245 KB

The reaction of the higher order organocuprate reagents RZCu(CNjLi2-BF3 with y-bromo a$unsaturated esters gives with very high selectivity cr-suhsrituted &~unsaturated esters arising from a SN allylic substitution. This reaction allows an easy access to cy-silyl P,yunsaturated esters~