Run

Catalyst

Yield (%)^b

Mn^c

Mw/Mn

λmax (nm)^d

1

AlCl₃

trace

2500

2.0

-

2

CuCl₂

44.1

6200

2.6

332.2

3

FeCl₂

49.8

4800

2.8

332.2

4

FeCl₃

45.7

4300

2.4

332.9

5

SnCl₂

0

-

-

-

6

ZnCl₂

64.4

9000

2.2

334.7