Table 1 Summary of the helicity and the macrocyclization yields of the stapled peptides.

From: Unprotected peptide macrocyclization and stapling via a fluorine-thiol displacement reaction

Peptide

Fluoro substrates

Helicity (%)

Yield (%)

Peptide

Fluoro substrates

Helicity (%)

Yield (%)

29

lN, Cl

24

22

57

li, i+4l

41

64

31

lN, Cl

21

23

58

li, i+4d

39

61

33

lN, Cl

23

27

59

di, i+4l

13

58

35

li, i+4l

24

55

60

li, i+4l

50

59

36

li, i+4l

29

59

61

li, i+4d

45

51

37

li, i+4l

18

49

62

di, i+4L

9

56

38

li, i+4l

25

52

63a

S5, S5

52

51

39

li, i+4l

46

63

70

li, i+4l

84

64

40

li, i+4l

17

52

72

li, i+4d

85

61

42

di, i+4d

14

58

73a

S5, S5

88

37

43

di, i+4d

28

62

75

li, i+4l

74

74

44

di, i+4d

31

60

77

li, i+4d

70

73

45

di, i+4d

25

55

78a

S5, S5

73

42

46

di, i+4d

13

59

80

li, i+7l

36

65

47

di, i+4d

19

65

81

li, i+7l

42

69

49

li, i+4d

25

54

82

li, i+7l

61

74

50

li, i+4d

14

43

83

li, i+7l

16

55

51

li, i+4d

44

58

85

li, i+7d

40

69

53

di, i+4l

19

39

86

li, i+7d

37

71

54

di, i+4l

5

50

87

li, i+7d

64

79

55

di, i+4l

8

51

88

li, i+7d

18

55

56a

S5, S5

48

73

89a

R8, S5

65

58

  1. Bold indicates peptide numbering.
  2. aControl peptides stapled by ring-closing metathesis.