Entry

X (amine) R

Y

Yield (%)

Reaction time (sec)

Melting points (˚C)

obs

lit

1

H

H

78

60

173 - 174

172 - 174 [21]

2

H

4-OCH3

81

60

160 - 61

157 - 59 [21]

3

H

4-NO2

70

60

199

196 - 98 [27]

4

H

4-CH3

72

60

157

153 - 155 [27]

5

2-Cl

H

68

60

146

142 - 143 [23]

6

3-Cl

H

78

60

157 - 58

158 [23]

7

4-Br

H

67

60

190 - 91

189 - 190 [23]

8

4-Cl

H

65

60

120 - 121

119 [23]

9

4-NO2

H

81

60

232 - 234

234 - 235 [30]

10

3-NO2

H

72

60

179

176 [30]

11

2-NO2

H

80

60

175

174 - 175 [30]

12

2,4-diCl

H

81

60

201

205 [30]

13

4-CH3CO

H

72

60

214 - 15

214 - 216 [30]

14

4-CH3

H

65

60

156

153 - 154 [30]

15

4-Cl

4-CH3

77

60

177 - 79

179 - 183 [30]

16

4-Cl

2-CH3O

82

60

180 - 182

180 - 181 [29]

17

4-CH3O

2-Cl

65

60

203 - 205

203 - 206 [30]

18

4-CH3

4-NO2

71

60

188 - 190

188 - 190 [30]

19

4-NO2

4-NO2

78

60

208 - 211

209 [30]