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Synthesis of a new asymmetric cyclopentadienyl ligand: Application to the preparation of a trivalent samarium complex

✍ Scribed by P. Van de Weghe; C. Bied; J. Collin; J. Marçalo; I. Santos

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
598 KB
Volume
475
Category
Article
ISSN
0022-328X

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Preparation of a new asymmetric lanthano
Preparation of a new asymmetric lanthanoid complex catalyst for the Mukaiyama aldol reaction
✍ Koichiro Uotsu; Hiroaki Sasai; Masakatsu Shibasaki 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 241 KB

Several chiral Lewis acid catalysts were prepared from lanthanoid trifluoromethanesulfonate (triflate) and a chiral sulfonamide ligand, and were applied to the Mukaiyama aldol reaction. The reaction proceeded in a catalytic manner with moderate enantiomeric excess. Lanthanoid reagents are attractin