Table 1 Polymerization of heteroatom-containing α-olefins.

Conditions: [M] (0.03 mmol), [Ph3C][B(C6F5)4] (0.03 mmol), 1 (1.5 M), toluene, room temperature (rt), 24 hours (unless otherwise noted). n.o., not observed; n.d., not determined.


Embedded Image
EntryMonomer 1[M]1/[M]Polymer 2Yield (%)*Mn (×103)Mw/Mnrrrr (%)Tg (°C)§
11aSc-1100/12a0ǁ
21bSc-1200/12b9833.61.77>959
31bSc-2200/12b0
41bSc-3200/12b10029.81.33>955
51bSc-3500/12b7859.81.78>954
61cSc-3100/12c0
71dSc-3500/12d9380.42.06>95−32
81eSc-3500/12e7183.61.96>95−31
91fSc-3500/12f8974.51.76>95n.o.
101gSc-3500/12g9580.41.85>9598
111hSc-3100/12hTrace
121hSc-4100/12h9930.21.16>95n.o.
131iSc-3200/12i10057.02.23>950
141iSc-31000/12i100103.22.29>950
151iSc-32000/12i100133.12.20>95−1
161iSc-35000/12i63189.02.03>950
17#1iSc-3200/12i100304.91.65>950
18#1iSc-32000/12i93585.51.57>951
191jSc-31000/12j10083.42.36>95−1
201kSc-31000/12k97103.52.02>9512
211lSc-31000/12l99132.92.52>95−5
221mSc-31000/12m100118.42.87>952
231nSc-31000/12n9920.72.68>9529
24**1nSc-31000/12n9960.22.45>9524
251oSc-31000/12o100102.01.80>95n.o.
261pSc-31000/12p100123.81.84>95−8
271qSc-3500/12q10058.92.5592−7
281rSc-3500/12r104.11.56n.d.−2
291rSc-1500/12r10014.61.77n.d.27
301sSc-3100/12s371.51.39n.d.2
311sSc-1100/12s391.21.46n.d.22
321sSc-4100/12s643.11.53n.d.36
331tSc-1100/12tTrace
341tY-1100/12t236.81.5788−5
351uSc-3200/12u4011.31.9989−21
361uSc-1200/12u808.92.1690−23
371uSc-4200/12u8823.52.36>95−22

*Weight of polymer obtained/weight of monomer used.

†Determined by gel permeation chromatography (GPC) in tetrahydrofuran (THF) at room temperature against polystyrene standard.

‡Determined by 13C nuclear magnetic resonance (NMR) analysis.

§Determined by differential scanning calorimetry.

ǁFormation of 1-phenoxy-1-propene (an isomerization product of 1a) was observed.

¶Determined by high-temperature GPC in 1,2-dichlorobenzene at 145°C against polystyrene standard.

#−40°C.

**0°C.