## Abstract Ephedrine‐derived sulfamide–amine alcohol **3** was found to be an effective catalyst for the asymmetric phenylacetylene addition to aldehydes at room temperature without using Ti(O^__i__^Pr)~4~ and Zn(OTf)~2~. It afforded the propargylic alcohols in high yields (up to 99%) and good ena
✦ LIBER ✦
Reversal of enantioselectivity by adding Ti(OiPr)4: novel sulfamide-amine alcohol ligands for the catalytic asymmetric addition of diethylzinc to aldehydes
✍ Scribed by Jincheng Mao; Boshun Wan; Zhanjin Zhang; Rongliang Wang; Fan Wu; Shiwei Lu
- Book ID
- 108211388
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 106 KB
- Volume
- 225
- Category
- Article
- ISSN
- 1381-1169
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