期刊
TETRAHEDRON
卷 72, 期 43, 页码 6825-6836出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2016.09.017
关键词
3,3,3-Trihalogeno-1-nitropropenes; Stabilised azomethine ylides; 1,3-Dipolar cycloaddition; Spirooxindoles
资金
- Russian Science Foundation [14-13-00388]
- Russian Science Foundation [14-13-00388] Funding Source: Russian Science Foundation
Reactions of 3,3,3-trihalogen-1-nitropropenes with N-alkyl-alpha-amino acids (sarcosine, proline) and isatins proceed regio- and diastereoselectively to give a wide range of trihalomethylated spiro[indoline-3,2'pyrrolidin]-2-ones and spiro[indoline-3,3'-pyrrolizin]-2-ones in good yields as a result of a 1,3-dipolar cycloaddition of the intermediate stabilised azomethine ylide at the double bond of the nitroalkenes. (C) 2016 Elsevier Ltd. All rights reserved.
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