Dolbier HW Solutions 437

Dolbier HW Solutions 437 - 531 CARBOXYLIC ACIDS 8.2 ppm,...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
8.2 ppm, accounts for four of the unsaturations. The appearance of the aromatic protons as a pair of doublets with a total area of 4 suggests a para -disubstituted ring. That compound B is a carboxylic acid is evidenced by the singlet (area 5 1) at d 12.1 ppm. The remaining 1 H NMR signals a quartet at d 3.9 ppm (1H) and a doublet at d 1.6 ppm (3H) suggest the fragment CH CH 3 . All that remains of the molecular formula is NO 2 . Combining this information identi f es compound B as 2-(4-nitrophenyl)propanoic acid. SELF-TEST PART A A-1. Provide an acceptable IUPAC name for each of the following: A-2. Both of the following compounds may be converted into 4-phenylbutanoic acid by one
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online