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Schiff-base Amino Alcohol-zinc Complex for Enantioselective Addition of Phenylacetylene to Aromatic Ketones

✍ Scribed by CHEN, C; HONG, L; WANG, Q; ZHANG, B; WANG, R


Book ID
123500362
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
502 KB
Volume
24
Category
Article
ISSN
1005-9040

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πŸ“œ SIMILAR VOLUMES


Enantioselective Addition of Phenylacety
✍ Juan Ding; Zong-Xuan Shen; Xiao-Qing Luo; Wei-Yi Chen; Ya-Wen Zhang πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 69 KB πŸ‘ 2 views

## Abstract (__S__)‐(1‐Benzylpyrrolidin‐2‐yl)diphenylmethanol and cinchonine were evaluated as promotors in the asymmetric additions of phenylacetylene to ketones, in order to prepare chiral propargylic alcohols. Good yields (up to 89%) and moderate enantioselectivities (up to 77.9% __ee__) were ac

Enantioselective Addition of Phenylacety
✍ Shao-Hua Wang; Yong-Qiang Tu; Peng Chen πŸ“‚ Article πŸ“… 2006 πŸ› John Wiley and Sons 🌐 English βš– 53 KB πŸ‘ 2 views

## Abstract The easily prepared and recoverable chiral __N__‐sulfonylated __Ξ²__‐amino alcohol **2** in combination with Ti(OPr‐__i__)~4~was found to be an effective chiral catalyst for the enantioselective addition of alkynylzinc to ketones, which gave the useful products, __i.e.__ chiral tertiary