Orbitone T Neo

What it is

Orbitone is a commercial trade name of OTNE, a synthetic ketone fragrance.

Compared with Orbitone T, Orbitone T Neo has slightly increased diffusion and sheer beauty but is otherwise the same.

Chemistry

OTNE's IUPAC name is 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-2-yl)ethanone. The commercial OTNE product comprises more than twenty isomeric ketones. Manufacturing of OTNE generally gives a mixture in which the beta isomer, CAS 54464-57-2, makes up approximately 30-65 % w/w. The gamma isomer, CAS 68155-66-8, makes up about 10-26 % w/w and the alpha isomer, CAS 68155-67-9, about 8-20 % w/w.

History

In about 1956 Gunther Ohloff began studying woody-smelling compounds, which were then patented. In 1973 John Hall and James Milton Sanders created the same compound, and the patent, which also described an enriched single-isomer version, was granted in 1975. It was named Isocyclemone E, or Iso E. Commercial production later shifted toward the isolated isomer described in that patent, and it was marketed as Iso E Super.

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