Fig. 1 | Nature Communications

Fig. 1

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

Fig. 1

Developing the spiroannulation reaction into a polyspiroannulation strategy. a Palladium(II)-catalyzed oxidative spiroannulations of naphthols and diarylacetylenes and the associated mechanism. b Palladium(II)-catalyzed polyspiroannulations of free naphthols and internal diynes for the construction of complex spiro-polymers in this work. [1]:[2] = molar feed ratio of monomer 1 and 2.

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