Synthesis of 5- and 6-methylene-2-norbornanones Academic Article uri icon

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abstract

  • The syntheses of 4,4,6-trimethyl-5-methylene-2-norbornanone (5a), 6,6-dimethyl-2-methyl- ene-2-norbornanone (5b), 5-methylene-2-norbornanone (5c), and 6-methylene-2-norbornanone (11) are described. An unusual extended Grob-type cleavage of 6-ethylenedioxy-exo-2-methyl-endo-2-norbornanol (13d) to 2-chioroethyl (3-methyl-3-cyclopentenyl)acetate (17) is documented.

publication date

  • April 15, 1978