1

Facile construction of densely functionalized thiopyrano[2,3-b]quinolines via three-component reactions catalyzed by L-proline

Mehul B. Kanani and Manish P. Patel*Department of Chemistry, Sardar Patel University, Vallabh vidyanagar 388120, India

Supporting information

1. 1H NMR of Compounds2. Mass spectra

Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2014

2

1H NMR of Compound 4a

N S

CN

NH2

S

3

Mass spectra of 4a

4

1H NMR of Compound 4b

N S

CN

NH2

S

5

Mass spectra of 4b

6

Mass spectra of 4c

7

1H NMR of Compound 4d

N S

CN

NH2

S

8

1H NMR of Compound 4e

N S

CN

NH2

S

9

1H NMR of Compound 4g

N S

CN

NH2

S

10

Mass spectra of 4g

11

1H NMR of Compound 4i

N S

CN

NH2

S

F

12

Mass spectra of 4i

13

Mass spectra of 4k

14

1H NMR of Compound 4l

N S

CN

NH2

S

15

1H NMR of Compound 4m

13C NMR of Compound 4m

N S

CN

NH2

SH3CO

16

17

1H NMR of Compound 4n

N S

CN

NH2

SCl

18

1H NMR of Compound 4o

N S

CN

NH2

SCl

F

19

Mass spectra of 4o