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Synthesis 1987; 1987(5): 480-481
DOI: 10.1055/s-1987-27975
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Synthesis of Methylthio- and Aminoalkylidene Derivatives of Meldrum's Acid

Xiang Huang* , Bang-chi Chen
  • *Department of Chemistry, Hangzhou University, Hangzhou, People's Republic of China
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Publikationsdatum:
18. September 2002 (online)

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Reaction of Grignard reagents with isopropylidene bis(methyltio)methylenemalonate (1) resulted in conjugate addition to give an intermediate 2, which could either be hydrolyzed to an isopropylidene (1-methylthioalkylidene)malonate 3 or reacted with ammonium chloride to give an isopropylidene (1-aminoalkylidene)malonate 4.