UREA INCLUSION COMPOUNDS OF ALKENOIC ACIDS AND ALKYL ALKENOATES.
Technical research article,
FRANKFORD ARSENAL PHILADELPHIA PA PITMAN-DUNN RESEARCH LABS
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A group of alkenoic acids and alkyl alkenoates were shown to be all trans from the infrared absorption spectra of the compounds. The ease with which each molecule could form a crystalline inclusion compound was determined from the X-ray powder diffraction patterns and from the shortest homologue of each of the families capable of forming an inclusion compound. The more centrally located the double bond was in the molecule, the more difficulty was encountered in forming an inclusion compound. The methyl and ethyl esters of the noncomplexing alkenoic acids formed crystalline inclusion compounds. Author