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A new direct formation of benzyllithium reagent on an insoluble polymer

✍ Scribed by Shinichi Itsuno; Koji Shimizu; Koichi Kamahori; Koichi Ito

Book ID
104886121
Publisher
Springer
Year
1993
Tongue
English
Weight
296 KB
Volume
3
Category
Article
ISSN
1053-0495

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The first direct formation of an organolithium reagent on a soluble polymer by chlorine–lithium exchange: functionalised linear polystyrene
✍ Miguel Yus; Cecilia GΓ³mez; Pablo Candela πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 French βš– 75 KB

The lithiation of a soluble chloromethylated polystyrene 1 (prepared by AIBN-induced copolymerisation of styrene and 4-chloromethylstyrene in 3:1 molar ratio) with an excess of lithium powder and a catalytic amount (10%) of DTBB, and reaction with different electrophiles leads, after hydrolysis, to