Pyrazole

Route 1
5-Aminopyrazole




Reference:
J. Agri. Food Chem. 2024, 72, 3334-3341.

Route 2





Reference:
J. Med. Chem. 2018, 61 2552–2570.

Route 3





Reference:
J. Med. Chem. 2024, 67, 18290–18316.

Route 4
5-Hydoxypyrazole

Reference:
J. Med. Chem. 2025, 68, 23375–23388.

Route 5

Reference:
Eur. J. Med. Chem. 2023, 250, 115174.

Route 6

Reference:
Org. Synth. 2008, 85, 179.