Heterocycles p. 2429 - 2436 (1986)
Update date:2022-08-04
Topics:
Huisgen, Rolf
Mitra, Abhijit
Moran, Joaquin Rodriguez
The title reaction afforded the pyrazole derivatives 3 and 4 as well as the N-methyl-1,2,3-triazolecarboxylic esters 5 - 7.The poly-step sequence was clarified; the key intermediates are the 1-pyrazoline 18, the 2-pyrazoline 2, the 4H-pyrazole 12, the pyrazole 22, and methyl cyanoformate.
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(1953)
