Sentence Examples


  • 0 - / CH2/ O - - CH :CH CH:CH 000H (I) - 01 1 - CH - CH:CH CH:CH CO N(CH 2) 5 (2) O Oxidation with potassium permanganate converts piperic acid into piperonal, C 8 H 6 0 3, and piperonylic acid, C 8 H 6 0 4.
  • Piperonal (q.v.) is the corresponding aldehyde.
  • Scholtz (Ber., 1894, 2 7, p. 2 95 8) from piperonyl acrolein (the condensation product of piperonal and acetaldehyde) and acetic acid.
  • For dioxybenzaldehydes and their derivatives see Piperonal and Vanillin.
 
 

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