Ionone and the woody-violet synthetics, 1893

It is the line of descent the same review follows to Iso E Super.

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The record

Each field carries its evidence: open a chip for the source, the quoted words and the confidence. A field with nothing behind it says so and stays empty.

Date

1893 (year)

documented

Thus, the category of synthetic ionone (30) and woody smelling compounds was born in 1893

ISO-2 · Stepanyuk and Kirschning (2019). Synthetic terpenoids in the world of fragrances: Iso E Super® is the showcase · read 2026-09-30

confidence A

Label

documented (a source states it)

house label

the house’s own reading, labelled as such

one of the four labels the site gives a reconstruction, chosen from what the cited source itself says

confidence B

Kind

synthesis

house classification

the house’s own reading, labelled as such

the house’s grouping of events for the timeline

confidence B

What happened

Work on the violet odour of orris leads to ionone, and a category of synthetic ionone and woody-smelling compounds begins.

documented

Thus, the category of synthetic ionone (30) and woody smelling compounds was born in 1893

ISO-2 · Stepanyuk and Kirschning (2019). Synthetic terpenoids in the world of fragrances: Iso E Super® is the showcase · read 2026-09-30

confidence A

Place

not on record

not on record

no place on record for this event

Teaching accords

• A woody-ambery

Sources

1. ISO-2 · Stepanyuk A, Kirschning A. Synthetic terpenoids in the world of fragrances: Iso E Super® is the showcase. Beilstein J Org Chem. 2019;15:2590–2602. doi.org/10.3762/bjoc.15.252 · read 2026-09-30 · CC BY 4.0

Our text and structure are CC BY 4.0; quoted source text stays under its owners’ terms.

this record as data: /data/event/ionone-1893.json · version 2 · updated 2026-09-30 · confidence A