Trivial name

Code

Percent

yield

Melting point (˚C)

Color of samples

Solvents

1. SRA-Sc

L1

82

103.1

brown

MeOH, DMSO, DMF

2. SRA-Sc-Cu

C1

67

134.0

green

MeOH, DMSO, DMF

3. SRA-Tsc

L2

80

116.2

yellow

MeOH, DMSO, DMF

4. SRA-Tsc-Cu

C2

59

178.7

green

MeOH, DMSO, DMF

5. SRA-INH

L3

91

218.9

yellow

MeOH, DMSO, DMF

6. SRA-INH-Cu

C3

72

198.7

green

MeOH, DMSO, DMF

7. SRA-Nico

L4

89

218.8

white

MeOH, DMSO, DMF

8. SRA-Nico-Cu

C4

69

211.4

green

MeOH, DMSO, DMF

9. SRA-Sal

L5

87

233.4

brown

MeOH, DMSO, DMF

10. SRA-Sal-Cu

C5

65

288.9

green

MeOH, DMSO, DMF