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Chiral Cinchona Alkaloid-Thiourea Catalyzed Mannich Reaction for Enantioselective Synthesis of β-Amino Ketones Bearing Benzothiazol Moiety

✍ Scribed by Peng Lin; Baoan Song; Pinaki S. Bhadury; Deyu Hu; Yuping Zhang; Linhong Jin; Song Yang

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
108 KB
Volume
29
Category
Article
ISSN
0256-7660

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📜 SIMILAR VOLUMES

Enantioselective Synthesis of β-Amino Es
Enantioselective Synthesis of β-Amino Esters Bearing a Benzothiazole Moiety via a Mannich-Type Reaction Catalyzed by a Cinchona Alkaloid Derivative
✍ Liang Li; Bao-An Song; Pinaki S. Bhadury; Yu-Ping Zhang; De-Yu Hu; Song Yang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 424 KB

## Abstract Novel β‐amino esters bearing a bioactive benzothiazole moiety were obtained with high enantioselectivities (up to 95 % __ee__) through a Mannich‐type reaction of different imines with malonate in the presence of a new chiral cinchona alkaloid thiourea catalyst. Imines derived from both