Starting from ethyl (S)-lactate as the chiral unit, we have developed the synthesis of the enantiopure bis(3,5)pyrazolophanes 9 and 19 by means of sequential inter- and intramolecular cycloadditions of nitrilimine intermediates. (C) 2000 Elsevier Science Ltd. All rights reserved.
Diastereoselective synthesis of bis(3,5)pyrazolophanes by sequential inter- and intramolecular cycloadditions of homochiral nitrilimines / G. Broggini, G. Molteni, T. Pilati. - In: TETRAHEDRON-ASYMMETRY. - ISSN 0957-4166. - 11:9(2000), pp. 1975-1983. [10.1016/S0957-4166(00)00132-4]
Diastereoselective synthesis of bis(3,5)pyrazolophanes by sequential inter- and intramolecular cycloadditions of homochiral nitrilimines
G. Molteni;
2000
Abstract
Starting from ethyl (S)-lactate as the chiral unit, we have developed the synthesis of the enantiopure bis(3,5)pyrazolophanes 9 and 19 by means of sequential inter- and intramolecular cycloadditions of nitrilimine intermediates. (C) 2000 Elsevier Science Ltd. All rights reserved.
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