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Asymmetric hetero Diels–Alder reaction using chiral cationic metallosalen complexes as catalysts

✍ Scribed by Kohsuke Aikawa; Ryo Irie; Tsutomu Katsuki


Book ID
108371056
Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
125 KB
Volume
57
Category
Article
ISSN
0040-4020

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Asymmetric diels alder reaction using py
✍ Choji Kashima; Yohei Miwa; Saori Shibata; Hiroyuki Nakazono 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 79 KB

## Abstract __N__‐Acylpyrazoles (**1**) were promising as good dienophiles, which were easily converted into the desired carboxylic derivatives. Bis(pyrazolyl)methanes, which were derived from chiral pyrazoles, showed the activity of chiral catalyst. Particularly 10 mol% of bis(isomenthopyrazol‐1,1