✦ LIBER ✦

ChemInform Abstract: Asymmetric Mannich Reaction of Dicarbonyl Compounds with α-Amido Sulfones Catalyzed by Cinchona Alkaloids and Synthesis of Chiral Dihydropyrimidones.

✍ Scribed by Sha Lou; Peng Dai; Scott E. Schaus

Publisher: John Wiley and Sons
Year: 2008
Weight: 84 KB
Volume: 39
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200818148

No coin nor oath required. For personal study only.

✦ Synopsis

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 via the “References” option.

📜 SIMILAR VOLUMES

ChemInform Abstract: High Pressure Media

ChemInform Abstract: High Pressure Mediated Asymmetric Henry Reaction of Nitromethane with Carbonyl Compounds Catalyzed by Cinchona Alkaloids.

✍ Yukihiro Misumi; Robert A. Bulman; Kiyoshi Matsumoto 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 28 KB 👁 2 views

ChemInform Abstract: Asymmetric Mannich

ChemInform Abstract: Asymmetric Mannich Reactions Catalyzed by Cinchona Alkaloid Thiourea: Enantioselective One-Pot Synthesis of Novel β-Amino Ester Derivatives.

✍ Song Bai; Xueping Liang; Baoan Song; Pinaki S. Bhadury; Deyu Hu; Song Yang 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 36 KB 👁 2 views

ChemInform Abstract: Asymmetric Mannich

ChemInform Abstract: Asymmetric Mannich Reaction of Malonates with Imines Catalyzed by a Chiral Calcium Complex.

✍ Thomas Poisson; Tetsu Tsubogo; Yasuhiro Yamashita; Shu Kobayashi 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 46 KB

ChemInform Abstract: Gallium(III) Chlori

ChemInform Abstract: Gallium(III) Chloride-Catalyzed Sakurai Reaction of α-Amido Sulfones with Allyltrimethylsilane: Access to Synthesis of 2,6-Disubstituted Piperidine Alkaloid Derivatives.

✍ R. Sateesh Chandra Kumar; G. Venkateswar Reddy; K. Suresh Babu; J. Madhusudana R 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 27 KB

ChemInform Abstract: PdII-Catalyzed Asym

ChemInform Abstract: PdII-Catalyzed Asymmetric Addition Reactions of 1,3-Dicarbonyl Compounds: Mannich-Type Reactions with N-Boc Imines and Three-Component Aminomethylation.

✍ Yoshitaka Hamashima; Naoki Sasamoto; Natsuko Umebayashi; Mikiko Sodeoka 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 55 KB 👁 1 views

ChemInform Abstract: Bifunctional Cincho

ChemInform Abstract: Bifunctional Cinchona Alkaloids-Catalyzed Asymmetric [4 + 2] Cycloaddition Reaction of β,γ-Unsaturated α-Keto Esters with Oxazolones.

✍ Yin Ying; Zhuo Chai; Hai-Feng Wang; Peng Li; Chang-Wu Zheng; Gang Zhao; Yue-Peng 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views

## Abstract Asymmetric [4 + 2] cycloaddition of β,γ‐unsaturated α‐keto esters (I) and (IV) with oxazolones (II) proceeds with excellent diastereoselectivity and high enantioselectivity (up to 97% e.e.) in the presence of a quinidine‐derived bifunctional organocatalyst (NQD).