Table 1 Polymerization results of naphthols and internal diynesa.

From: Photoresponsive spiro-polymers generated in situ by C–H-activated polyspiroannulation

Entry

Monomers

[1]:[2]

Yield (%)

Mnb (MALLS)c

Mwb (MALLS)c

Ðb

1

1a + 2a

1:1

44

4100 (5800)

5400 (6700)

1.4

2

1a + 2a

0.75:1

39

3600 (4200)

4400 (4800)

1.2

3

1a + 2a

2:1

78

6700 (6900)

10,600 (9100)

1.6

4

1a + 2a

3:1

82

8300 (7000)

14,700 (9800)

1.8

5

1a + 2a

4:1

99

12,200 (10,000)

21,300 (16,000)

1.8

6

1a + 2b

4:1

95

12,700 (7800)

24,400 (13,000)

1.9

7

1a + 2c

4:1

42

9700 (18,000)

14,300 (24,000)

1.5

8

1a + 2d

4:1

87

5100 (9000)

7300 (12,000)

1.5

9

1a + 2e

4:1

87

5700 (9100)

9900 (12,000)

1.7

10

1b + 2a

4:1

95

5400 (35,000)

10,300 (39,000)

1.9

  1. aCarried out in DMSO under nitrogen at 120 °C for 24 h in the presence of Pd(OAc)2, Cu(OAc)2∙H2O and K2CO3. [1]:[2] = molar feed ratio of monomer 1 and 2. [2] = 0.20 M, [Pd(OAc)2] = 0.04 M, [Cu(OAc)2∙H2O] = 0.84 M, [K2CO3] = 0.80 M
  2. bRelative molecular weights determined by GPC in THF on the basis of a linear polystyrene calibration. Đ = polydispersity = Mw/Mn
  3. cAbsolute molecular weights determined by GPC with a MALLS detector in DMF containing 0.1 M LiBr
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