New [4 + 2] Cycloadditions of in situ Generated Indolyl Enol Ethers and Their Anions with Dimethyl Acetylenedicarboxylate: A One-Pot Access to 4-Alkoxy-Substituted Carbazoles

Author: Pindur Ulf   Rogge Martina  

Publisher: Swiss Chemical Society

ISSN: 0009-4293

Source: CHIMIA International Journal for Chemistry, Vol.46, Iss.11, 1992-11, pp. : 441-443

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Abstract