19 research outputs found

    Ionic liquid 1-butyl-3-methylimidazolium bromide ([bmim]Br): a green and neutral reaction media for the efficient, catalyst-free synthesis of quinoxaline derivatives

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    Quinoxaline derivatives were produced in excellent yields and short reaction times via the condensation of 1,2-diamines with 1,2-diketones in the neutral ionic liquid 1-butyl-3-methylimidazolium bromide ([bmim]Br) under catalyst-free and microwave irradiation conditions

    A Simplified Approach for Selecting a Trenchless Construction Method for Municipal Sewers

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    Synthesis of Functionalised Phosphonates by Three-Component Reaction between Phosphites, Dialkyl Acetylenedicarboxylates and Pyrrole, Indole or Benzotriazole

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    Three-component reaction between dialkyl acetylenedicarboxylates, phosphites, and pyrrole, indole or benzotriazole leads to functionalised phosphonates in good yields. </jats:p
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