Evaluation of Chiral Bidentate Ligand—Metal Complexes in Asymmetric 1,3-Dipolar Cycloaddition Reaction of Nitrones with 3-Alkenoyl-2-oxazolidinones.

Catalytic Highly Enantioselective 1,3-Di

Catalytic Highly Enantioselective 1,3-Dipolar Cycloaddition Reaction of Nitrones with 3-Alkenoyl-2-oxazolidinones by Use of a Bidentate Chiral Bis(imine) Ligand—Cu(II) Triflate Complex.

✍ Takao Saito; Takuya Yamada; Shingo Miyazaki; Takashi Otani 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 27 KB 👁 2 views

Catalytic Asymmetric 1, 3-Dipolar Cycloa

Catalytic Asymmetric 1, 3-Dipolar Cycloaddition Reaction of Nitrones with α′-Phosphoric Enones by a Chiral Ligand- Copper(II) Triflate Complex

✍ Kyoung-Chan Lim; Young-Taek Hong; Sunggak Kim 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 212 KB 👁 1 views

## Abstract Using the __C__~2~‐symmetric bis‐oxazoline copper(II) catalyst **6f** as a chiral Lewis acid, α′‐phosphoric enones **2** undergo 1,3‐dipolar cycloaddition with nitrones **3** to provide isoxazolidines **4** with very high enantioselectivity and __endo/exo__ selectivity.

Chiral Half-Sandwich Ruthenium(II) Compl

Chiral Half-Sandwich Ruthenium(II) Complexes as Catalysts in 1,3-Dipolar Cycloaddition Reactions of Nitrones with Methacrolein

✍ Daniel Carmona; M. Pilar Lamata; Fernando Viguri; Joaquina Ferrer; Néstor García 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 253 KB

## Abstract Ruthenium complexes of formula [(η^6^‐arene)Ru(LL\*)(H~2~O)][SbF~6~]~2~ (arene = C~6~H~6~, __p__‐MeC~6~H~4~__i__Pr, C~6~Me~6~; LL\* = bidentate chelate chiral ligand with PN, PP or NN donor atoms) have been tested as catalyst precursors for the asymmetric 1,3‐dipolar cycloaddition of ni

ChemInform Abstract: Catalytic Asymmetri

ChemInform Abstract: Catalytic Asymmetric 1,3-Dipolar Cycloaddition Reaction of Nitrones with α′-Phosphoric Enones by a Chiral Ligand-Copper(II) Triflate Complex.

✍ Kyoung-Chan Lim; Young-Taek Hong; Sunggak Kim 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 66 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Asymmetric 1,3-Dipolar Cycloaddition Rea

Asymmetric 1,3-Dipolar Cycloaddition Reaction of Nitrones and Acrolein with a Bis-Titanium Catalyst as Chiral Lewis Acid.

✍ Taichi Kano; Takuya Hashimoto; Keiji Maruoka 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 29 KB 👁 2 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

ChemInform Abstract: Regio- and Stereose

ChemInform Abstract: Regio- and Stereoselective Synthesis of Isoxazolidine Derivatives by Asymmetric 1,3-Dipolar Cycloaddition Reaction of Chiral Nitrones with 1-Propene-1,3-sultone.

✍ Hong-Kui Zhang; Wing-Hong Chan; Albert W. M. Lee; Wai-Yeung Wong 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 24 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v