A series of seven cyclopent-3-en-1-ylmethylamines bearing one, two, or three methyl substituents at the C2, C3, C4, or Cα positions, including the unsubstituted parent, was accessed by ring-closing metatheses of α, α-diallylacetonitrile (or methallyl variants) and α, α- diallylacetone followed by hydride reductions or reductive amination, or by Curtius degradations of α, α-dimethyl-and 2, 2, 3-trimethylcyclopent-3-enylacetic acids. Oxidation ...