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  • Synthesis of 4-(2H-[1,2,4]-Triazol-5-ylsulfanyl)-1,2-dihydropyrazol-3-one via Ring-Switching Hydrazinolysis of 5-Ethoxymethylidenethiazolo [3,2-b][1,2,4]triazol-6-one

Synthesis of CF2H-pyrazolines by [3+2]-cycloaddition between CF2HCHN2 and electron-deficient alkenes

Eur. J. Org. Chem. 2017, 2, 266-270

DOI: 10.1002/ejoc.201601462

Li J.; Yu X.-L.; Cossy J.; Lv S.-Y.; Zhang H.-L.; Su F.; Hai L.; Mykhailiuk P.; Wu Y.

CF2H-pyrazolines were synthesized by [3+2]-cycloaddition between in situ generated CF2HCHN2 and electron-deficient alkenes. The representative CF2H-pyrazoline was easily oxidized into the agrochemistry important CF2H-pyrazole.

Synthesis of CF2H-pyrazolines by [3+2]-cycloaddition between CF2HCHN2 and electron-deficient alkenes

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