Tropilidene-1-thioether compound and synthetic method and application thereof
A technology for cycloheptatriene and compounds, which is applied in the field of cycloheptatriene-1-sulfide compounds and their synthesis, and achieves the effects of less side reactions, high conversion rate and mild reaction conditions
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Embodiment 2
[0049] The synthesis of embodiment 2 cycloheptatriene-1-o-methylphenylene sulfide
[0050] Weigh 0.2mmol cycloheptatriene, 0.4mmol o-methylthiophenol, 0.22mmol DDQ and 2.5mL chloroform into a 15mL pressure-resistant reaction tube, add a magnetic stirrer, stir the reaction at 25°C for 5min, the chemical The equation is shown in equation (2).
[0051]After the reaction is over, carry out vacuum distillation at -0.090MPa and 40°C to remove chloroform, then use 50mL of dichloromethane to carry out vacuum filtration, and the obtained filtrate is to carry out vacuum distillation at -0.085MPa and 35°C to remove methylene chloride , and then carry out silica gel column chromatography purification with 200-300 mesh silica gel powder, the eluent is petroleum ether, to obtain cycloheptatriene-1-o-methylphenylsulfide, and its yield is 70%.
[0052] image 3 and Figure 4 It is the NMR characterization spectrum of cycloheptatriene-1-o-methylphenylene sulfide. in, image 3 Cycloheptatr...
Embodiment 3
[0055] The synthesis of embodiment 3 cycloheptatriene-1-m-bromophenylene sulfide
[0056] Weigh 0.2mmol cycloheptatriene, 0.4mmol m-bromothiophenol, 0.22mmol DDQ and 2.5mL chloroform into a 15mL pressure-resistant reaction tube, add a magnetic stirrer, and stir the reaction at 25°C for 5min. The chemical equation As shown in formula (3).
[0057] After the reaction is over, carry out vacuum distillation at -0.090MPa and 40°C to remove chloroform, then use 50mL of dichloromethane to carry out vacuum filtration, and the obtained filtrate is to carry out vacuum distillation at -0.085MPa and 35°C to remove methylene chloride , and then carry out silica gel column chromatography purification with 200-300 mesh silica gel powder, and the eluent is petroleum ether to obtain cycloheptatriene-1-m-bromophenylene sulfide with a yield of 72%.
[0058] Figure 5 and Figure 6 It is the NMR characterization collection of cycloheptatriene-1-m-bromophenylene sulfide, wherein, Figure 5 Cyc...
Embodiment 7
[0079] The synthesis of embodiment 7 cycloheptatriene-1-(3,4-dimethyl) phenylene sulfide
[0080]Weigh 0.2mmol cycloheptatriene, 0.4mmol 3,4-dimethylthiophenol, 0.22mmol DDQ and 2.5mL chloroform into a 15mL pressure-resistant reaction tube, add a magnetic stirrer, and stir the reaction at 25°C 5min, please refer to formula 7 for the chemical equation of this embodiment.
[0081] After the reaction is over, carry out vacuum distillation at -0.090MPa and 40°C to remove chloroform, then use 50mL of dichloromethane to carry out vacuum filtration, and the obtained filtrate is to carry out vacuum distillation at -0.085MPa and 35°C to remove methylene chloride , and then carry out silica gel column chromatography purification with 200-300 mesh silica gel powder, the eluent is petroleum ether: ethyl acetate = 100:1, to obtain cycloheptatriene-1-(3,4-dimethyl)benzenesulfide ether in 45% yield.
[0082] Figure 13 and Figure 14 It is the NMR spectrum of cycloheptatriene-1-(3,4-dime...
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