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pubmed:abstractText |
Thiazolium azomethine ylides, equipped with a C-2 methanethiol group, participate in an efficient [3 + 2] cycloaddition reaction with acetylene derivatives to yield unique pyrrolo[2,1-b]thiazoles. The elimination of the methanethiol leaving group from the cycloadduct has replaced the need for a separate oxidation step and suppresses ring-opening side reactions. Products were obtained in short synthetic sequences to demonstrate their use as a scaffold for compound libraries.
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pubmed:affiliation |
Johnson & Johnson Pharmaceutical Research & Development, L.L.C., 8 Clarke Drive, Cranbury, New Jersey 08512, USA.
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