25

62

1

114-116

[55]

mp: 121

84% Yield

26

27

1

68-70

[56]

mp: 72 - 75

46%Yield

27

13

0.5

94-96

New

28

14

1

180-182

New

29

72

1

140-142

New

30

58

1

136-138

New

31

68

0.5

140-142

New

32

49

1

144-146

New