| Entry | Ar | Time (min.) | Yield (%) | M.P. (°C) |
| Ethyl-6-amino-1,4-dihydro-4-(3,4-dimethoxyphenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5a) | 3,4-Dimethoxy phenyl | 60 | 90 | 135 |
| Ethyl-6-amino-1,4-dihydro-4-(3-methoxyphenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5b) | 3-Methoxyphenyl | 55 | 85 | 120 |
| Ethyl-6-amino-1,4-dihydro-4-(3,4,5-trimethoxyphenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5c) | 3,4,5-Trimethoxy phenyl | 55 | 86 | 160 |
| Ethyl-6-amino-4-(4-chlorophenyl)-1,4-dihydro-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5d) | 4-Chlorophenyl | 60 | 87 | 140 |
| Ethyl-6-amino-1,4-dihydro-4-(4-methoxyphenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5e) | 4-methoxyphenyl | 55 | 89 | 130 |
| Ethyl-6-amino-1,4-dihydro-3-methyl-4-(5-methylfuran-2-yl)pyrano[2,3-c]pyrazole-5-carboxylate (5f) | 3-methyl-2-furyl | 60 | 86 | 142 |
| Ethyl-6-amino-1,4-dihydro-3-methyl-4-(thiophen-2-yl)pyrano[2,3-c]pyrazole-5-carboxylate (5g) | 2-thienyl | 55 | 87 | 115 |
| Ethyl-6-amino-1,4-dihydro-3-methyl-4-(pyridin-3-yl)pyrano[2,3-c]pyrazole-5-carboxylate (5h) | 3-pyridyl | 60 | 85 | 125 |
| Ethyl-6-amino-1,4-dihydro-4-(2-hydroxyphenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5i) | 2-Hydroxyphenyl | 60 | 87 | 143 |
| Ethyl-6-amino-1,4-dihydro-4-(3-hydroxy-4-methoxy phenyl)-3-methylpyrano[2,3-c]pyrazole-5-carboxylate (5j) | 3-hydroxy, 4-methoxyphenyl | 60 | 85 | 145 |
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