Table 2 Synthesis of dihydroquinazolin‑4(1H)‑ones.

1

93

205–206/207–209²⁷

2

95

213–215/216–218²⁷

3

94

223–224/221–223²⁷

4

92

224–226/223–225²⁷

5

92

204–206/205–207²⁷

6

96

215–217/211–213³⁷

7

91

273–275/273–275³⁸

8

96

250–252/247–250³⁹

9

96

209–211/205–207⁴⁰

10

87

187–189

11

89

182–184

12

85

175–177