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One-pot two-step synthesis of 2,5-dihydro-2-oxofuran-3-carboxamides

✍ Scribed by Tokmajyan, Gayane; Karapetyan, Lusine


Book ID
126501692
Publisher
Walter de Gruyter GmbH & Co. KG
Year
2014
Tongue
English
Weight
383 KB
Volume
20
Category
Article
ISSN
0793-0283

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The reactions of ketones 1a -o, nitromethane 2, and a stoichiometric amount of piperidine 3a or ethylenediamine 3b in the presence of mercaptan 6a in THF or CH 3 CN solution give high yields of b-nitrosulfides 7a -o. The latter can be oxidized by 8a (m-CPBA or m-CPBA/AcOH) at 08C, 8b (H 2 O 2 /AcOH)