- Synthesis of 2-cyanoaziridine-1-carboxamide
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The present invention provides a process for producing an aziridine-1-carboxamide of the formula: from an aziridine of the formula: and an isocyanate of the formula R5—N═C═O, where R1, R2, R3, R4and R5are those defined herein. In addition, the present invention also provides a process for producing a 4-imino-1,3-diazabicyclo[3.1.0]-hexan-2-one of the formula: from the aziridine-1-carboxamide of Formula I.
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- 1-Aziridine carboxylic acid derivatives with immunostimulant activity
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2-Substituted-1-aziridine-carboxylic acid esters exhibiting immuno-stimulant activity and of the formula STR1 wherein X is a carbamoyl or alkoxycarbonyl radical, and R1 is an aliphatic hydrocarbon radical optionally substituted by halogen, alkoxy, amino, carbamoyloxy, cycloalkyl, hydroxyl, an imido or heterocyclic radical, cycloalkyl; or aryl, aralkyl, aryloxyalkyl or arylthioalkyl wherein the aryl moiety is optionally substituted by halogen, alkyl, alkoxy, hydroxyl, amino, nitro, cyano, acyl, carbalkoxy, thioalkyl, alkylsulphonyl, phenyl or trifluoromethyl. Counterparts where X is --CN and R1 is as above, except for ethyl, are also new.
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