7α-Methyl-19-norandrostenedione


7α-Methyl-19-norandrostenedione, or 7α-methyl-19-norandrost-4-ene-3,17-dione, also known as trestione, as well as 7α-methylestr-4-ene-3,17-dione, is a synthetic anabolic-androgenic steroid and a derivative of 19-nortestosterone. It may act as a prohormone of trestolone. MENT dione has been sold on the Internet under the name Mentabolan as a "dietary supplement".

Applications

  1. If mentabolan is oxidized with a catalytic amount of a copper halide in the presence of oxygen it gives almestrone.
  2. Mentabolan is a precursor in a recent Chinese synthesis of tibolone.
  3. Mentabolan was an intermediate in the original Upjohn synthesis of mibolerone.