Synthesis method for 2-chlorobenzene methyl formate
A technology of methyl chlorobenzoate and synthesis method, which is applied in the field of electrochemical organic synthesis, and achieves the effects of simple method, significant environmental protection and reduction of air pollution
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Embodiment example 1
[0018] Implementation case 1 A kind of synthetic method of methyl 2-chlorobenzoate:
[0019] a. Preparation of electrolyte
[0020] Mix 1 mmol (113ul) 1,2-dichlorobenzene with 1 mmol (0.2572 g) tetraethylammonium iodide and 0.129 mol (10 mL) N ,N -Dimethylformamide is mixed into an electrolyte, and then placed in a one-chamber electrolytic cell with stainless steel as the cathode and magnesium rod as the anode, 1,2-dichlorobenzene, tetraethylammonium iodide and N ,N -Dimethylformamide is analytically pure, wherein: 1,2-dichlorobenzene is the substrate, N ,N -Dimethylformamide is the solvent after 4Å grade molecular sieve drying, and tetraethylammonium iodide is the supporting electrolyte.
[0021] b. Electrocarboxylation reaction
[0022] Under normal pressure, carbon dioxide was introduced into the above electrolytic cell for 30 min, and then at 12 mA / cm 2 The constant current density is used for electrolysis (the electrolysis process has been fed with carbon dioxide u...
Embodiment example 2
[0029] Implementation case 2 A kind of synthetic method of methyl 2-chlorobenzoate:
[0030]a. Preparation of electrolyte
[0031] Mix 1 mmol (113ul) 1,2-dichlorobenzene with 1 mmol (0.2572 g) tetraethylammonium iodide and 0.129 mol (10 mL) N ,N -Dimethylformamide is mixed into an electrolyte, and then placed in a one-chamber electrolytic cell with a platinum sheet as the cathode and a magnesium rod as the anode, 1,2-dichlorobenzene, tetraethylammonium iodide and N ,N -Dimethylformamide is analytically pure, wherein: 1,2-dichlorobenzene is the substrate, N ,N -Dimethylformamide is the solvent after 4Å grade molecular sieve drying, and tetraethylammonium iodide is the supporting electrolyte.
[0032] b. Electrocarboxylation reaction
[0033] Under normal pressure, carbon dioxide was introduced into the above electrolytic cell for 30 min, and then at 12 mA / cm 2 The constant current density is used for electrolysis (the electrolysis process has been fed with carbon dioxide...
Embodiment example 3
[0040] Implementation case 3 A kind of synthetic method of methyl 2-chlorobenzoate:
[0041] a. Preparation of electrolyte
[0042] Mix 1 mmol (113ul) 1,2-dichlorobenzene with 1 mmol (0.2572 g) tetraethylammonium iodide and 0.129 mol (10 mL) N ,N -Dimethylformamide is mixed into an electrolyte, and then placed in a one-chamber electrolytic cell with silver as the cathode and magnesium rod as the anode, 1,2-dichlorobenzene, tetraethylammonium iodide and N ,N -Dimethylformamide is analytically pure, wherein: 1,2-dichlorobenzene is the substrate, N,N -Dimethylformamide is the solvent after 4Å grade molecular sieve drying, and tetraethylammonium iodide is the supporting electrolyte.
[0043] b. Electrocarboxylation reaction
[0044] Under normal pressure, carbon dioxide was introduced into the above electrolytic cell for 30 min, and then at 12 mA / cm 2 The constant current density is used for electrolysis (the electrolysis process has been fed with carbon dioxide until the e...
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