Effects of solvent and lithiating agent on stereoselectivity in lithiation of chiral 1,1′-bis(oxazolinyl)ferrocenes
✍ Scribed by Jaiwook Park; Sunwoo Lee; Kyo Han Ahn; Chang-Woo Cho
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 226 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0040-4039
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C2-Symmetric 1, l',2,2'-tetrasubstituted ferrocene derivatives are prepared in high yields from chiral 1,1'-bis(oxazolinyl)ferrocenes v/a diastereoselective o,o'-dilithiation with sec-butyUithium followed by nucleophilic substitution. 1, l'-Bis(oxazolinyl)ferrocenes were prepared from 1,1 '-ferrocen
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