Synthesis of novel chiral tetraaza ligands and their application in enantioselective transfer hydrogenation of ketones
β Scribed by Shen Luan Yu; Yan Yun Li; Zhen Rong Dong; Jing Xing Gao
- Book ID
- 113523351
- Publisher
- Chinese Electronic Periodical Services
- Year
- 2012
- Tongue
- English
- Weight
- 282 KB
- Volume
- 23
- Category
- Article
- ISSN
- 1001-8417
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## Abstract Novel chiral Schiff bases were synthesized from (+)βcamphor, and their application to asymmetric transfer hydrogenation of prochiral ketones is described. The asymmetric transfer hydrogenation reaction could afford excellent conversion rates (up to 97.3%) and up to 27.3% enantiomeric ex
Water-soluble analogues of Noyori's (1S,2S)-N-(p-tolylsulfonyl)-1,2-diphenylethylenediamine and Knochel's (1R,2R)-N-(p-tolylsulfonyl)-1,2-diaminocyclohexane, containing an additional sulfonic acid group, have been synthesised. The ruthenium catalysed reduction of aromatic ketones using enantiomerica