oxygen; Co-Ce-NH4Br in acetic anhydride T=90°C; P=760 Torr; 2 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br in acetic anhydride T=95°C; P=760 Torr; 1 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br in acetic anhydride T=100°C; P=760 Torr; 0.5 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br T=110°C; P=760 Torr; 0.5 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br T=100°C; P=760 Torr; 0.5 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br T=120°C; P=760 Torr; 0.5 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
oxygen; Co-Ce-NH4Br T=110°C; P=760 Torr; 0.5 h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
