SI. No.

Isatin a

Indole b

Product c

Yield %[a]

1

R = H

R1 = H, R2 = H, R3= H

1c

31

2

R = H

R1 = H, R2 = Me, R3 = H

2c

76

3

R = H

R1 = H, R2 = H, R3 = OMe

3c

64

4

R = H

R1 = H, R2 = H, R3 = NO2

4c

00

5

R = allyl

R1 = H, R2 = H, R3= H

5c

34

6

R = allyl

R1 = Me, R2 = H, R3= H

6c

56

7

R = allyl

R1 =H, R2 = Me, R3 =H

7c

90

8

R = allyl

R1 = H, R2 = H, R3 = OMe

8c

97

9

R = benzyl

R1 = H, R2 = H, R3= H

9c

40

10

R = benzyl

R1 = H, R2 = H, R3= H

10c

56

11

R = benzyl

R1 =H, R2 = Me, R3 =H

11c

92

12

R = benzyl

R1 = H, R2 = H, R3 = OMe

12c

98

13

R = propargyl

R1 = Me, R2 = H, R3= H

13c

58

14

R = propargyl

R1 = H, R2 = H, R3 = OMe

14c

89

15

R = propargyl

R1 = H, R2 = H, R3 = OMe

15c

96