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Design of Brønsted Acid-Assisted Chiral Brønsted Acid Catalyst Bearing a Bis(triflyl)methyl Group for a Mannich-Type Reaction

✍ Scribed by Hasegawa, Aiko; Naganawa, Yuki; Fushimi, Makoto; Ishihara, Kazuaki; Yamamoto, Hisashi

Book ID
124058476
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
166 KB
Volume
8
Category
Article
ISSN
1523-7060

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✍ Takahiko Akiyama; Youichi Saitoh; Hisashi Morita; Kohei Fuchibe 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 83 KB 👁 1 views

## Abstract A novel cyclic dialkyl phosphate was synthesized starting from (+)‐diethyl tartrate. Its catalytic activity as a chiral Brønsted acid has been examined in the Mannich‐type reaction of a ketene silyl acetal with aldimines as a model reaction. The corresponding β‐amino acid esters were ob