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Rhodium-Catalyzed Asymmetric 1,6-Addition of Aryltitanates to Enynones Giving Axially Chiral Allenes.

✍ Scribed by Tamio Hayashi; Norihito Tokunaga; Kazuya Inoue

Publisher
John Wiley and Sons
Year
2004
Weight
179 KB
Volume
35
Category
Article
ISSN
0931-7597

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Chiral Heterodisulfoxide Ligands in Rhod
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✍ Fuzhong Han; Guihua Chen; Xiangyang Zhang; Jian Liao πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 379 KB πŸ‘ 1 views

## Abstract A new family of benzene‐based chiral heterodisulfoxide ligands **L1**–**L5** was synthesized in a single step. These disulfoxide ligands were applied in the rhodium‐catalyzed asymmetric 1,4‐addition of arylboronic acids to chromenones. The addition of diverse arylboronic acids to chrome