Fig. 3: Practical demonstrations of the PS upcycling process presented in this study. | Nature Communications

Fig. 3: Practical demonstrations of the PS upcycling process presented in this study.

From: Facile visible-light upcycling of diverse waste plastics using a single organocatalyst with minimal loadings

Fig. 3

A The scope of post-consumer PS wastes. a0.50 mol% PTH-3CN was used. B 10-gram scale upcycling of Styrofoam utilizing a batch or flow setup. C Tandem functionalizations of crude benzoic acid derived from PS. bEpiandrosterone (1.0 equiv), BA (1.2 equiv), Diethyl diazenedicarboxylate (1.5 equiv), PPh3 (1.2 equiv), THF, rt, 24 h. c(L)-Phenylalanine ethyl ester·HCl (1.2 equiv), BA (1.0 equiv), PyBOP (1.1 equiv), DIPEA (3.5 equiv), DCM, rt, 12 h. dBA (1.0 equiv), o-phenylenediamine (1.0 equiv), polyphosphoric acid, 180 °C, 2 h. eBA (1.0 equiv), Benzoquinone (1.0 equiv), Pd(OAc)2 (10 mol%), KOAc (2.0 equiv), DMA, 115 °C, 15 h. fBA (1.0 equiv), 4-chlorobenzotrifluoride (5.0 equiv), nBuAd2P (10 mol%), Pd(OAc)2 (5.0 mol%), Cs2CO3 (2.2 equiv), 3Å MS, DMF, 145 °C, 24 h. Additional details in Supplementary Information.

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