Baeocystin (7) (4-phosphoryloxy-N-methyltryptamine) has been synthesized starting from 2-methyl-3-nitrophenol (1). The spectral data (UV, IR, 1H-, 31P-, 13C-NMR, MS) are identical with those of 7 isolated from Psilocybe semilanceata.
Brenneisen, R., Borner, S., Peter-Oesch, N., & Schlunegger, U. P. (1988). Synthesis of Baeocystin, a natural Psilocybin Analogue. Archiv der Pharmazie, 321(8), 487-489. doi:10.1002/ardp.19883210812