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Synthesis 2011(8): 1219-1226
DOI: 10.1055/s-0030-1259965
DOI: 10.1055/s-0030-1259965
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
PdI2/I2-Catalyzed Thiolation-Annulation of 2-Alkynylbenzyl Azides with Disulfides: Selective Synthesis of 4-Sulfenylisoquinolines
Further Information
Publication History
Received
7 February 2011
Publication Date:
22 March 2011 (online)


Abstract
A PdI2/I2-catalyzed thiolation-annulation route of alkynes with azides and disulfides for the synthesis of 4-sulfenylisoquinolines is described. This route allows numerous 2-alkynylbenzyl azides to react with disulfides or 1,2-diphenyldiselane leading to the corresponding 4-chalcogen-substituted isoquinolines in moderate to good yields.
Key words
palladium - iodine - thiolation - annulation - 2-alkynylbenzyl azides - disulfides - isoquinolines
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