Synthesis of derivatives of 2-aminothiophene and of thienoxazine
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2-Amino-3-ethoxycarbonylthiophenes are synthesized by condensing alkylidenecyanoacetic esters with sulfur, and converted to a series of 2-aminothiophene derivatives. 4-Oxothienooxazine derivatives are synthesized by reaction of 2-acetylaminothiophene-3-carboxylic acid with acetic anhydride.
KeywordsSulfur Acetic Ester Organic Chemistry Anhydride
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