Diastereo- and Enantioselective Tandem Michael Addition and Lactonization Between Silyl Enolates and α,β-Unsaturated Ketones Catalyzed by a Chiral Quaternary Ammonium Phenoxide.

Efficient Synthesis of Substituted 3-Ami

Efficient Synthesis of Substituted 3-Amino-3,4-dihydropyran-2-ones. Diastereo- and Enantioselective Tandem Michael Addition and Lactonization Between α,β-Unsaturated Ketones and Glycine-Derived Silyl Enolates Using a Chiral Quaternary Ammonium Phenoxide.

✍ Hitoshi Nagao; Yoshinobu Yamane; Teruaki Mukaiyama 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 25 KB

Diastereo- and Enantioselective Tandem M

Diastereo- and Enantioselective Tandem Michael Addition and Lactonization Catalyzed by Chiral Quaternary Ammonium Phenoxide: Stereoselective Synthesis of the Two Enantiomers by Using a Single Chiral Source.

✍ Teruaki Mukaiyama; Hitoshi Nagao; Yoshinobu Yamane 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 31 KB

## 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, please click on HTML or PDF.

Enantioselective Synthesis of 3,4-Dihydr

Enantioselective Synthesis of 3,4-Dihydropyran-2-ones by Chiral Quaternary Ammonium Phenoxide-Catalyzed Tandem Michael Addition and Lactonization.

✍ Takashi Tozawa; Yoshinobu Yamane; Teruaki Mukaiyama 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 21 KB 👁 1 views

Diastereo- and Enantioselective Synthesi

Diastereo- and Enantioselective Synthesis of 3-Amino-3,4-dihydropyran-2-ones by Tandem Michael Addition and Lactonization Using a Chiral Quaternary Ammonium Phenoxide.

✍ Hitoshi Nagao; Yoshinobu Yamane; Teruaki Mukaiyama 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 28 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, please click on HTML or PDF.

Asymmetric Michael Addition of Silyl Nit

Asymmetric Michael Addition of Silyl Nitronates to Cyclic α,β-Unsaturated Ketones Catalyzed by Chiral Quaternary Ammonium Bifluorides: Isolation and Selective Functionalization of Enol Silyl Ethers of Optically Active γ-Nitro Ketones.

✍ Takashi Ooi; Kanae Doda; Saki Takada; Keiji Maruoka 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 37 KB

N-Spiro Chiral Quaternary Ammonium Bromi

N-Spiro Chiral Quaternary Ammonium Bromide Catalyzed Diastereo- and Enantioselective Conjugate Addition of Nitroalkanes to Cyclic α,β-Unsaturated Ketones under Phase-Transfer Conditions.

✍ Takashi Ooi; Saki Takada; Shingo Fujioka; Keiji Maruoka 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 40 KB 👁 1 views