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Table 2 Optimization mol % of DABCO during the synthesis 9a

From: Organocatalysis in heterocyclic synthesis: DABCO as a mild and efficient catalytic system for the synthesis of a novel class of quinazoline, thiazolo [3,2-a]quinazoline and thiazolo[2,3-b] quinazoline derivatives

Entry a

mol % of DABCO

Yield (%)

1

5

75

2

10

81

3

15

73

4

20

70

5

30

62

6

40

54

7

50

46

8

60

45

9

70

45

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BMC Chemistry

ISSN: 2661-801X

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