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Asymmetric allylic alkylation catalyzed by palladium complexes with atropisomeric quinazolinone phosphine ligands

✍ Scribed by Xuedong Dai; Scott Virgil

Book ID
108387329
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
209 KB
Volume
40
Category
Article
ISSN
0040-4039

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Novel chiral phosphine–oxazinane ligands
Novel chiral phosphine–oxazinane ligands in palladium-catalyzed asymmetric allylic alkylation
✍ Takashi Mino; Sosuke Hata; Kouji Ohtaka; Masami Sakamoto; Tsutomu Fujita πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 French βš– 81 KB

Palladium-catalyzed asymmetric allylic alkylation of 1,3-diphenyl-2-propenyl acetate (8a) with a dimethyl malonate-BSA-LiOAc system has been successfully carried out in the presence of novel chiral phosphine-oxazinane ligands such as 5b in good yields with good enantioselectivities (up to 95% ee).