Results: 8 derivatives of 4-benzylidene-3-methyl-1 - (4-nitrophenyl) - 1H-pyrazol-5 (4H) - one were synthesized with the yield of this step ranging 70 - 80%. 8 derivatives of 4-benzyl-3-methyl-1 - (4-nitrophenyl) - 1H-pyrazol-5-ol were synthesized with the yield of this reduction step ranging 80 - 90%.
Kết quả: Tổng hợp được 8 dẫn chất 4 - benzyliden-3 - methyl-1 - (4 - nitrophenyl) -1 H-pyrazol -5 (4 H) - on (2 a-2 h) với hiệu suất 70 – 80% và 8 dẫn chất 4 - benzyl-3 - methyl-1 - (4 - nitrophenyl) -1 H-pyrazol -5 - ol (3 a-3 h) với hiệu suất 80 – 90%.