Alkynyl phenyl sulphones (4) react with the nitrile oxide (1), the nitrile imine (2), and sydnone (3) to afford predominantly or exclusively 4-phenylsulphonyl substituted cycloadducts (5), (7), and (9). The observed regioselectivity is discussed.
1,3-Dipolar cycloadditions with alkynyl phenyl sulphones / P. Dalla Croce, C. La Rosa, G. Zecchi. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - (1985), pp. 2621-2624.
1,3-Dipolar cycloadditions with alkynyl phenyl sulphones
P. Dalla CrocePrimo
;C. La RosaSecondo
;
1985
Abstract
Alkynyl phenyl sulphones (4) react with the nitrile oxide (1), the nitrile imine (2), and sydnone (3) to afford predominantly or exclusively 4-phenylsulphonyl substituted cycloadducts (5), (7), and (9). The observed regioselectivity is discussed.File in questo prodotto:
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