Suen Y.F.; Hope H.; Nantz M.H.; Haddadin M.J.; Kurth M.J.
(WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2005)
A novel one-step synthesis route to fully substituted pyrazol-4-ols is reported. This simple yet nonobvious method for the construction of pyrazol-4-ols by the condensation-fragmentation-cyclization-extrusion reactions of ...