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. 2022 Mar 3;27(5):1677. doi: 10.3390/molecules27051677

Scheme 35.

Scheme 35

Synthesis of maresin 1, as reported by Rodríguez and Spur [113]. Reagents and conditions: i. Pd(PPh3)4, CuI, piperidine, benzene, rt, 81%; ii. PPTS, CH3OH, 0 °C,96%; iii. Zn(Cu/Ag), CH3OH, H2O, 40–45 °C, 66%; iv. 1N LiOH, CH3OH, H2O, 0 °C, then satd. NaH2PO4, 77%.