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

ChemInform Abstract: Asymmetric 1,3-Dipo

ChemInform Abstract: Asymmetric 1,3-Dipolar Cycloadditions of Nitrones and Methacrolein Catalyzed by Chiral Bis-Titanium Lewis Acid: A Dramatic Effect of N-Substituent on Nitrone.

✍ Takuya Hashimoto; Masato Omote; Taichi Kano; Keiji Maruoka 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 70 KB 👁 2 views

ChemInform Abstract: 6,6′-Substituent Ef

ChemInform Abstract: 6,6′-Substituent Effect of BINOL in Bis-Titanium Chiral Lewis Acid Catalyzed 1,3-Dipolar Cycloaddition of Nitrones.

✍ Takuya Hashimoto; Masato Omote; Keiji Maruoka 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 40 KB 👁 1 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

ChemInform Abstract: Asymmetric 1,3-Dipo

ChemInform Abstract: Asymmetric 1,3-Dipolar Cycloadditions of N-Benzyl and N-Diphenylmethyl Nitrones and α,β-Unsaturated Aldehydes Catalzed by Bis-Titanium Chiral Lewis Acids.

✍ Takuya Hashimoto; Masato Omote; Yoshio Hato; Taichi Kano; Keiji Maruoka 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 46 KB 👁 1 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.

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

Theoretical Study of 1,3-Dipolar Cycload

Theoretical Study of 1,3-Dipolar Cycloaddition Reactions with Inverse Electron Demand − A DFT Study of the Lewis Acid Catalyst and Solvent Effects in the Reaction of Nitrones with Vinyl Ethers

✍ Luis R. Domingo 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 373 KB 👁 2 views

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

✦ Synopsis

Abstract