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Figure 7
Synthesis of 4: a) HNO3 65%, 373 K, 8 h, 80%; b) Pd/C 10%, H2 3 bar, EtOH, RT, 24 h, 100%; c) Oxalic acid, HCl 4 N, 373 K, 16 h, 77%; d) POCl3, di­chloro­ethane, 363 K, 16 h, 80%.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 75| Part 2| February 2019| Pages 103-108
https://doi.org/10.1107/S2056989018017784
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