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Table 3 Synthesis of disubstituted 2,3-dihydroquinazoline-4(1H)-ones using Co-aminobenzamid@Al-SBA-15

From: Co-aminobenzamid@Al-SBA-15: a favorable catalyst in synthesis of 2,3-dihydroquinazolin-4(1H)-ones

Entry

Product

Time (min)

Yielda (%)

m.p °C [refs]

1

25

94

205–207 [29]

2

28

90

193–195 [7]

3

30

90

217–219 [29]

4

24

96

212–214 [30]

5

28

88

184–185 [9]

6

28

92

216–218 [11]

7

25

95

211–213 [28]

8

38

87

191–192

9

25

92

156–157

10

23

94

209–211 [9]

  1. a Isolated yields