Synthesis of Chiral Oxepanes and Pyrans by 3-O-Allylcarbohydrate Nitrone Cycloaddition (3-OACNC).
β Scribed by Ashoke Bhattacharjee; Seema Datta; Partha Chattopadhyay; Nanda Ghoshal; Asish P. Kundu; Arani Pal; Ranjan Mukhopadhyay; Sandip Chowdhury; Anup Bhattacharjya; Amarendra Patra
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 246 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract magnified image Asymmetric 1,3βdipolar cycloadditions of chiral nitrones to 1βpropeneβ1,3βsultone (**1**) were investigated. Chiral nitrones **6aβe** reacted with sultone **1** in toluene at 90 Β°C for 24β36 h to give the corresponding isoxazolidines in moderate yields with high regiose
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