๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Asymmetric phase-transfer alkylation catalyzed by a chiral quaternary phosphonium salt with a multiple hydrogen-bonding site

โœ Scribed by Kei Manabe

Book ID
104259622
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
215 KB
Volume
39
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

โœฆ Synopsis

A chiral phosphonium salt has been synthesized as a novel phase-transfer catalyst, and used for asymmetric benzylation of t-butyl 2-oxocyclopentanecarboxylate to give the corresponding product with up to 50% ee.

๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: Asymmetric Phase-Tr
ChemInform Abstract: Asymmetric Phase-Transfer Alkylation Catalyzed by a Chiral Quaternary Phosphonium Salt with a Multiple Hydrogen-Bonding Site.
โœ K. MANABE ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 29 KB ๐Ÿ‘ 1 views

Asymmetric Phase-Transfer Alkylation Catalyzed by a Chiral Quaternary Phosphonium Salt with a Multiple Hydrogen-Bonding Site. -The chiral phosphonium salt (II) is synthesized and used as a phase-transfer catalyst in the asymmetric benzylation of (III). Under the same conditions, a phosphonium salt

Synthesis of novel chiral quaternary pho
Synthesis of novel chiral quaternary phosphonium salts with a multiple hydrogen-bonding site, and their application to asymmetric phase-transfer alkylation
โœ Kei Manabe ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 771 KB

Chiral phosphonium salts having two NI-I and two OH groups as hydrogen-bond donors have been synthesized as novel phase-transfer catalysts, and used for asymmetric alkylation of J~-keto esters to give the corresponding products with up to 50% ยขe.