Amides substituents

Yields

R1

R2

X

Amide

Imidoyl selenoate

phenyl

Prop-2-enyl

O

87%

73% 1a

phenyl

But-2-enyl

O

82

69% 1b

Butyl

Prop-2-enyl

O

79%

71% 1c

Butyl

But-2-enyl

O

74%

74% 1d

phenyl

prop-2-enyl

N

89%

78% 1e

phenyl

But-2-enyl

N

87%

73% 1f

Butyl

prop-2-enyl

N

76%

70% 1g

Butyl

but-2-enyl

N

81%

68% 1h

Phenyl*

Prop-2-enyl,* methyl*

N*

60%

70% 1i*