safety note: none of these have been tested on people as far as I know.
Pictet-Spengler reaction
combining serotonin with:
Cyclopropanecarboxaldehyde=1-cyclopropyl-6-OH-THβC
Thiophene-2-carboxaldehyde=1-(2-Thienyl)-6-OH-THβC
Isobutyraldehyde=1-Isopropyl-6-OH-THβC
Butyraldehyde=1-Propyl-6-OH-THβC
not orally active without the prodrug approach.
Pictet-Spengler reaction
combining serotonin with:
Cyclopropanecarboxaldehyde=1-cyclopropyl-6-OH-THβC
Thiophene-2-carboxaldehyde=1-(2-Thienyl)-6-OH-THβC
Isobutyraldehyde=1-Isopropyl-6-OH-THβC
Butyraldehyde=1-Propyl-6-OH-THβC
not orally active without the prodrug approach.