Sentence Examples

  • The cis 1.2-cyclo-propane dicarboxylic acid is formed by eliminating carbon dioxide from cyclo-propane tricarboxylic acid -1.2.3 (from 43-dibrompropionic ester and sodio-malonic ester).
  • Alkaline potassium permanganate oxidizes it to pyridine tricarboxylic acid (236).
  • It crystallizes from water in needles or prisms and in the anhydrous state melts at 253-254° C. Potassium permanganate oxidizes it to pyridine tricarboxylic acid (234).
  • Wolffenstein, 1899, p. 2 534); by the hydrolysis of succinonitrile (from ethylene dibromide) C 2 H 4 - >C 2 H 4 Br 2 --*C 2 H 4 (CN) 2 - >C 2 H 4 (CO 2 H) 2; by the hydrolysis of 0-cyanpropionic ester; and by the condensation of sodioinalonic ester with monochloracetic ester and hydrolysis of the resulting ethane tricarboxylic ester (R02C)2CH CH2 C02R; this method is applicable to the preparation of substituted succinic acids.

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