35 research outputs found

    A mild oxidation of nitrile oxides: a new synthetic route to nitroso carbonyl intermediates

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    Addition of N-methyl morpholine N-oxide (NMO) to a nitrile oxide solution in dichloromethane at room temperature in the presence of a diene affords nitroso carbonyl adducts in fair yields

    On the Reaction between 3H-1,2-Dithiolo [3,4-b]-pyridine-3-thione and Primary Alkyl and Arylalkylamines

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    3H‐1,2‐Dithiolo[3,4‐b ]pyridine‐3‐thione (10 ) reacts with primary alkylamines to give 1,2‐dihydro‐2‐thioxo‐3‐pyridinecarbothioamides 11a‐g and two minor products. Isothiazolo[5,4‐b ]pyridine‐3(2H )‐thiones 12a‐g and 3‐imino‐3H‐1,2‐dithiolo[3,4‐b ]pyridines 13a‐g were isolated and characterized. Further investigations allowed the synthesis of 12 and 13 in good yield

    Cycloaddition of Nitrile Oxide to Amidoximes. A General Synthesis of 3,5-Disubstituted 1,2,4-Oxadiazole-4-oxides

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    The cycloaddition of nitrile oxides to amidoximes are investigated
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