I was reading the synthesis of LSD to LSA and my english level is a medium so i didn't really understood a step of the synthesis
https://bbgate.com/tags/lsd-25/
"The reaction mixture is quenched with concentrated ammonium hydroxide (NH4OH) 100 ml 7.5 M. Layers are separated, the aqueous phase...
Introduction
Lysergic acid, the basic fragment derived from the ergot alkaloids, has been synthesized in a fourteen sequence beginning with 3-beta-carboxyethylindole. The starting material was converted to the intermediate 1-benzoyl-5-keto-1,2,2a-3,4,5-hexahydrobenz-[cd]-indole (3), containing...