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2005
Indole derivatives
R 0140
A Facile Synthesis of 4-, 5- and 6-Chloromethyl-1H-indole-2-carboxylates:
Replacement of a Sulfonic Acid Functionality by Chlorine. — A new formation of
03- 116 4-,
5- and 6-chloromethylindolecarboxylates, which are of synthetic and biological interest, is reported via unprecedented elimination of SO2 from the corresponding methanesulfonic acids. In contrast, the homologue (XII) does not undergo SO2 elimination
under these conditions. — (PETE*, B.; PARLAGH, G.; Tetrahedron 60 (2004) 40,
8829-8837; Dep. Org. Chem. Technol., Budapest Univ. Technol. Econ., H-1521
Budapest, Hung.; Eng.) — Jannicke
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