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. Author manuscript; available in PMC: 2019 Jun 18.
Published in final edited form as: Chem Soc Rev. 2018 Jun 18;47(12):4510–4544. doi: 10.1039/c8cs00027a

Figure 42.

Figure 42

Preparation of latent metathesis photocatalyst 189 via ROMP of 1,5-cyclooctadiene (COD) using Ru-3-I followed by quenching with ethyl vinyl ether 190. The resulting polyCOD is dissolved in 5-ethylidene-2-norbonene 192 to yield highly viscous resist material stabilizing 191.