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Highly Diastereo- and Enantioselective Direct Aldol Reactions in Water

✍ Scribed by Yujiro Hayashi; Tatsunobu Sumiya; Junichi Takahashi; Hiroaki Gotoh; Tatsuya Urushima; Mitsuru Shoji

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
109 KB
Volume
45
Category
Article
ISSN
0044-8249

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L-Proline/CoCl2-Catalyzed Highly Diaster
L-Proline/CoCl2-Catalyzed Highly Diastereo- and Enantioselective Direct Aldol Reactions
✍ Dr. Ananta Karmakar; Dr. Tapan Maji; Dipl.-Chem. Sebastian Wittmann; Prof.β€…Dr. O πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 236 KB πŸ‘ 1 views

## Abstract The CoCl~2~/L‐proline (1:2) system was found to be an excellent catalyst for direct aldol reactions. Excellent yields (up to 93 %) and a significant improvement in diastereoselectivity (__anti__/__syn__ up to 45:1) as well as enantioselectivity (up to more than 99 % __ee__) compared wit