Here is the link, sorry I neglected to post this, I have been rather erm...strung out all night.
http://www.bris.ac.uk/Depts/Chemistry/MOTM/silly/sillymols.htm (http://www.bris.ac.uk/Depts/Chemistry/MOTM/silly/sillymols.htm)
A couple of relevant papers from a short literature search on the subject of skatole:
Herter and Foster, J Biol Chem 2 267-70 (1906)
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_imgs/djvu.gif)
and
Redgrove, The Perfumery and Essential Oil Record pp 193-5 June (1929)
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_imgs/djvu.gif)
As far as caustic fusion of proteins to get indoles, Polythene_Sam is one of the bees that has posted some useful information;
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_docs/000514802-utfse.gif)
;)