1. A Convenient Preparation oftrans-2-Dodecenedioic Acid (Traumatic Acid)
2. Budzikiewicz, H., Djerassi, C. and Williams, D. H., eds. 1967.“Mass spectrometry of Organic Compounds”, 206San Francisco: Holden Day. Absence of the δ-lactone (expected base peak m/e 99) is borne out by the negligible abundance (ca0.2%) of this ion. See e.g., and J. W. Wheeler, G. M. Happ, J. Araujo and J. M. Pasteels, Tetrahedron Letters, 4635(1972).