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. 2016 Nov 17;6:37323. doi: 10.1038/srep37323

Figure 2. Synthesis of PODO-1 and the PODO-1-derivatives, compounds 3a–3 g and compound 4.

Figure 2

i: Hydroquinone, 120 °C–150 °C, atmospheric distillation; ii: diisopropylamine, n-butyllithium, dry THF, 0 °C–−78 °C; iii: Pd(OAc)2, PPh3, NEt3, dry DMF, 80 °C; iv: DMAP, NEt3, 0 °C–r.t.