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Modular Synthesis of a New Type of Chiral Bis(carbene) Ligand from L-Valinol and Iridium(I) and Rhodium(I) Complexes Thereof

✍ Scribed by Ulrich Nagel; Claus Diez


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
211 KB
Volume
2009
Category
Article
ISSN
1434-1948

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Synthesis of Chiral Imidazolinium Carben
✍ Ji-cheng Shi; Ni Lei; Qingsong Tong; Yiru Peng; Junfa Wei; Li Jia 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 93 KB

## Abstract A chiral imidazolinium salt with two bulky carbohydrate subunits, __N__,__N__′‐1,3‐bis(methyl 4,6‐__O__‐benzylidene‐3‐deoxy‐α‐D‐altropyrano‐3‐yl)imidazolinium chloride (**4**), was synthesized in high yield. Deprotonation of **4** with sodium __tert__‐butoxide in the presence of [RhCl(C