WO2022127927A1 - 一种液相自动化合成仪 - Google Patents
一种液相自动化合成仪 Download PDFInfo
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- WO2022127927A1 WO2022127927A1 PCT/CN2021/139399 CN2021139399W WO2022127927A1 WO 2022127927 A1 WO2022127927 A1 WO 2022127927A1 CN 2021139399 W CN2021139399 W CN 2021139399W WO 2022127927 A1 WO2022127927 A1 WO 2022127927A1
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Definitions
- the invention relates to the technical field of experimental equipment, in particular to a liquid-phase automatic synthesizer.
- Liquid phase experiments are an essential part of academic research. Existing liquid phase experiments all require manual quantitative addition to the reaction fusion, and the mixed solution is obtained by manually controlling the stirring reaction. In the process of testing the mixed solution, it is also necessary to manually add the reaction solution to the monitor for testing, and the monitoring report generated by the monitor needs to be manually sorted and checked, which makes the entire liquid phase experimental monitoring process time-consuming and labor-intensive.
- Pipeline transfer sampling At present, there are polypeptide solid-phase synthesizers and oligosaccharide solid-phase synthesizers and automatic Solid Phase Extractor etc. Its advantages are that the system is airtight, safe, free from external interference and systemic; its disadvantages are long research and development cycles and high design and development costs for a single finished product. There are two ways to design it: 1.
- the components are purchased and assembled, which can be flexibly adjusted and modified to facilitate the integration of programs (syringe pump unit, multi-channel switching valve, light source, low temperature circulation, magnetic stirring, etc., and online monitoring), but also requires Redesign requires a long period of time and requires talents from all walks of life, and there are many factors that affect the operation results after assembly. 2. Transformation and upgrading from commercial similar products, that is, appropriate transformation of mature automation products, short cycle and no need for too much manpower, can ensure normal work, but because mature products have mature software control systems developed by their own patents, program integration is troublesome , without source code, may need to redesign the integrated board. 2.
- Automatic pipetting and sampling At present, there are mature automatic pipetting workstations for sale on the market (prices range from 100,000 to 400,000), which can be purchased directly and modified slightly. Its advantages are that it is simple, fast, and can directly solidify manual operations on the instrument; the disadvantage is that all operations need to be replaced by robotic arms, with high failure rate and large space. It is also a mature product, and the program integration is inconvenient.
- temperature and illumination control is also an important part of the experiment during the liquid phase experiment.
- two quartz reactors are often used for solution reaction, and it is difficult to carry out side reactions in a low temperature tank of -80 °C.
- a long arc mercury lamp light source and a quartz cold trap are generally used as the light source device.
- the lamp cannot be turned on) is higher than the temperature of the low temperature tank (-80°C), which makes it difficult to accurately control the temperature of the low temperature tank.
- a separate set of low temperature circulation device needs to be equipped to turn on the mercury lamp in time. If you forget to turn on the cold trap The mercury lamp is turned on by the low temperature circulation device, and with the mercury lamp being turned on and irradiated for a long time, there is a very high risk of fire.
- the cold trap In order to solve the above problems, in the irradiation method, although the long-arc mercury light source and the cold trap made of quartz are used, the cold trap needs to be placed horizontally, and the ultraviolet light is irradiated on the reactor from top to bottom, and the reactor is placed in the ethanol / Dry ice in a cryogenic bath dewar.
- This method is easy to control the temperature and is stable, and the synthesis effect of the model reaction is consistent with the previous laboratory side-illumination method, or even slightly better, but it still needs to cool the cold trap and additionally open the low-temperature circulation device of the cold trap, which is not easy to assemble the instrument and is not safe. And the utilization rate of UV light is very low, and additional UV protection devices are required.
- the purpose of the present invention is to provide a liquid-phase automatic synthesizer, so as to realize the automation of liquid-phase synthesis experiments and further improve the experimental efficiency and experimental precision of the liquid-phase synthesis experiments.
- the present invention provides the following scheme:
- a liquid phase automatic synthesizer comprising: an automatic sampling system, a liquid phase synthesis auxiliary system, an automatic liquid phase synthesis monitoring system and a host computer;
- the automatic sample introduction system, the liquid-phase synthesis auxiliary system and the liquid-phase synthesis automatic monitoring system are all connected with the upper position electromechanically;
- the automatic sampling system is used to complete the automatic sampling operation according to the sampling instruction of the host computer; the liquid phase synthesis auxiliary system is used to complete the reaction solution according to the temperature control instruction and the illumination control instruction of the host computer. Temperature and illumination control; the automatic monitoring system is used to monitor the reaction solution and generate a monitoring report; the upper computer generates an experimental analysis result according to the monitoring report.
- a novel reactor is also included;
- the novel reactor is respectively connected with the pipeline of the automatic sampling system, the liquid phase synthesis auxiliary system and the liquid phase synthesis automatic monitoring system.
- the novel reactor comprises: a bottle mouth, a bottle body, a sample inlet, an exhaust outlet, a sample outlet, a circulating liquid outlet and a circulating liquid inlet;
- the bottle body sequentially includes a reaction inner tank, a temperature circulation layer and a vacuum layer from the inside to the outside; the tank bottom of the reaction inner tank is a circular arc structure;
- the sampling port is communicated with the reaction liner
- Both the circulating liquid outlet and the circulating liquid inlet are communicated with the temperature circulating layer, and the circulating liquid outlet and the circulating liquid inlet are arranged diagonally.
- the automatic sampling system includes: an inert gas delivery module, a sampling channel switching module, a quantitative module, a disposal module and a liquid storage module;
- Both the liquid storage module and the sampling channel switching module are connected to the inert gas delivery module through pipelines; the quantitative module is respectively connected to the sampling channel switching module and the disposal module through pipelines; The liquid module is connected with the sampling channel switching module through a pipeline;
- the inert gas delivery module, the sampling channel switching module and the quantitative module are all electrically connected to the upper position;
- the inert gas delivery module is used to deliver the internally stored inert gas to the liquid storage module and the sampling channel switching module through pipelines respectively; the sampling channel switching module is used to extract the stored inert gas in the liquid storage module.
- the upper computer is used to control the opening and closing of the inert gas delivery module and the quantitative module, and is used to control the sampling channel switching module to perform channel switching.
- the sampling channel switching module includes: a first multi-channel switching valve and a second multi-channel switching valve;
- the first multi-channel switching valve is connected to M of the liquid storage bottles through pipelines;
- the second multi-channel switching valve is connected to N-M of the liquid storage bottles through pipelines;
- the quantitative module includes: a syringe pump unit, a pressure sensor, a flow meter and a second solenoid valve unit;
- the inlet of the syringe pump unit is connected to the sampling channel switching module through a pipeline; the outlet of the syringe pump unit is connected to the flowmeter through a pipeline; the flowmeter is connected to the disposal module through a pipeline;
- the second solenoid valve unit is arranged on the connection pipeline between the flowmeter and the treatment module; the pressure sensor is arranged on the connection pipeline between the syringe pump unit and the flowmeter; the second solenoid valve The unit, the pressure sensor and the flowmeter are all electrically connected to the upper position;
- the disposal module includes: a solution pipe and a waste liquid bottle;
- the sample inlet of the novel reactor and the liquid inlet of the waste product are connected to the second solenoid valve unit through pipelines;
- the solution pipe is connected to the circulating liquid of the novel reactor through pipelines port connection;
- the second solenoid valve unit is used to close the connection pipeline between the flowmeter and the new reactor when the solution in the new reactor reaches a set amount, and open the flowmeter and the waste gas.
- the syringe pump unit includes: a first syringe pump and a second syringe pump;
- the first syringe pump is connected with a channel in the first multi-channel switching valve through a pipeline; the second syringe pump is connected with a channel in the second multi-channel switching valve through a pipeline; the The range of the first syringe pump is smaller than the range of the second syringe pump.
- the liquid phase synthesis auxiliary system includes: a mixing device and a temperature control device;
- the novel reactor is placed on the mixing device, and both the mixing device and the temperature control device are electrically connected with the upper position.
- the temperature control device includes: an ultraviolet light source and a low temperature circulator;
- the liquid outlet of the low temperature circulator is connected with the circulating liquid inlet pipeline; the liquid inlet of the low temperature circulator is connected with the circulating liquid outlet pipeline; the ultraviolet light source is used for irradiating the novel reactor;
- the mixing device includes: an automatic stirrer and a constant temperature plate;
- Both the automatic stirrer and the thermostatic plate are electrically connected to the upper computer; the automatic stirrer is used to stir the mixed liquid in the novel reactor according to the stirring instruction in the upper computer; on the automatic stirrer; the thermostatic plate was used to keep the temperature of the novel reactor constant.
- the liquid phase synthesis automatic monitoring system includes: a sampling module, a power module, a monitoring and analysis module and a cleaning module;
- the sampling module is connected with the power module pipeline; the power module is connected with the monitoring and analysis module pipeline; the sampling module, the power module and the monitoring and analysis module are all connected with the upper electromechanical;
- the sampling module is used to absorb the reaction solution contained in the novel reactor;
- the power module is used to provide suction force for the sampling module according to the suction instruction in the upper computer, and is used to inject the absorbed reaction solution into
- the monitoring and analysis module is configured to transmit the monitoring report to the host computer after generating the monitoring report according to the reaction solution; the host computer generates the analysis result according to the monitoring report;
- the cleaning module is respectively connected with the sampling module and the power module pipeline.
- the sampling module includes: a stainless steel needle, a slide rail and a turntable;
- the stainless steel needle is connected to the power module through a first pipeline; the first pipeline is arranged on the slide rail, and the slide rail and the horizontal line are at a set angle; the stainless steel needle is fixedly arranged on the One end of the slide rail, and the other end of the slide rail is a free end; the slide rail is used to drive the stainless steel needle to slide, and the stainless steel needle is used to probe into the novel reactor to absorb the reaction solution; the The slide rail is fixedly arranged on the turntable; the turntable and the slide rail are both electromechanically connected with the upper position;
- the power module includes: a power pump; the power pump is a syringe pump or the plunger pump;
- the power pump is respectively connected with the sampling module and the monitoring and analysis module pipeline;
- the monitoring and analysis module is a high performance liquid chromatograph
- the cleaning module includes: a first liquid container, a second liquid container and a solenoid valve;
- the stainless steel needle sucks the cleaning liquid in the first liquid container; the second liquid container, the power module and the monitoring and analysis module are all connected with the solenoid valve pipeline.
- the present invention discloses the following technical effects:
- the liquid-phase automatic synthesizer provided by the present invention is provided with an automatic sampling system, a liquid-phase synthesis auxiliary system, an automatic liquid-phase synthesis monitoring system and a host computer, and the automatic sampling system is set according to the sampling instruction of the host computer.
- the liquid phase synthesis auxiliary system completes the temperature and illumination control of the reaction solution according to the temperature control instruction and the illumination control instruction of the host computer
- the automatic monitoring system monitors the reaction solution and generates a monitoring report
- the upper computer generates experimental analysis results according to the monitoring report, so as to complete the automatic process from sample injection to report generation in the liquid phase experiment process, thereby reducing the experimental labor cost and improving the experimental efficiency.
- Fig. 1 is the structural block diagram of liquid phase automatic synthesizer provided by the invention
- Fig. 2 is the structural representation of liquid phase automatic synthesizer provided by the invention.
- FIG. 3 is a schematic structural diagram of a novel reactor provided in an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of an automatic sample injection system provided by an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a liquid phase synthesis auxiliary system provided in an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a liquid-phase synthesis automatic monitoring system provided in an embodiment of the present invention.
- FIG. 7 is a physical diagram of a liquid-phase automated synthesizer provided in an embodiment of the present invention.
- 1 automatic sampling system 1-1 inert gas delivery module, 1-11 inert gas storage, 1-12 pressure regulating filter, 1-13 first solenoid valve unit, 1-131 first two-way solenoid valve, 1- 132 second two-way solenoid valve, 1-133 three-way solenoid valve, 1-2 sampling channel switching module, 1-21 first multi-channel switching valve, 1-22 second multi-channel switching valve, 1-3 quantitative module, 1-31 Syringe Pump Unit, 1-311 First Syringe Pump, 1-312 Second Syringe Pump, 1-32 Pressure Sensor, 1-33 Flow Meter, 1-34 Second Solenoid Valve Unit, 1-4 Disposal Module, 1-41 New Reactor, 1-42 Solution Tube, 1-43 Waste Liquid Bottle, 1-5 Liquid Storage Module, 1-51 Liquid Storage Bottle, 2- Liquid Phase Synthesis Auxiliary System, 2-1 Temperature Control Device, 2 -11 UV light source, 2-12 low temperature circulator, 2-2 mixing device, 2-21 automatic stirrer, 2-22 constant temperature plate, 3- liquid phase synthesis automatic monitoring system, 3-1
- the purpose of the present invention is to provide a liquid-phase automatic synthesizer, so as to realize the automation of liquid-phase synthesis experiments and further improve the experimental efficiency and experimental precision of the liquid-phase synthesis experiments.
- the liquid-phase automatic synthesizer provided by the present invention includes: an automatic sampling system 1 , a liquid-phase synthesis auxiliary system 2 , a liquid-phase synthesis automatic monitoring system 3 and a host computer 5 .
- the automatic sampling system 1 , the liquid-phase synthesis auxiliary system 2 and the liquid-phase synthesis automatic monitoring system 3 are all electrically connected to the upper computer 5 .
- the automatic sampling system 1 is used to complete the automatic sampling operation according to the sampling instruction of the upper computer 5 .
- the liquid phase synthesis auxiliary system 2 is used to complete the temperature and illumination control of the solution to be reacted according to the temperature control instruction and the illumination control instruction of the upper computer 5 .
- An automatic monitoring system is used to monitor the reaction solution and generate a monitoring report.
- the upper computer 5 generates experimental analysis results according to the monitoring report.
- the present invention correspondingly provides a new type of reactor 1-41 as a supporting reactor of the entire liquid-phase automatic synthesizer.
- the novel reactor 1-41 provided by the present invention has advantages that other existing reactors cannot match, it can also be used in other experimental equipment.
- novel reactors 1-41 provided by the present invention are respectively connected with the automatic sampling system 1 , the liquid phase synthesis auxiliary system 2 and the liquid phase synthesis automatic monitoring system 3 pipelines.
- the new reactor 1-41 includes: bottle mouth 1-411, injection port 1-412, exhaust port 1-413, sampling port 1-414, bottle body 1-415 and circulating liquid Port 1-416.
- the injection port 1-412 is at a set angle (preferably 60°) with the bottle body 1-415.
- the exhaust port 1-413 and the injection port 1-412 are arranged symmetrically with the center line of the bottle mouth 1-411 as the center.
- the space included angle between the center line of the sampling port 1-414 and the center line of the exhaust port 1-413 is 60°. The setting of this specific angle is also to prevent the reaction liquid from splashing out of the reactor during the stirring process.
- the bottle body 1-415 sequentially includes a reaction liner 1-4151, a temperature circulation layer 1-4152 and a vacuum layer 1-4153 from the inside to the outside.
- the bottom of the reaction liner 1-4151 is a circular arc structure.
- the sampling port 1-414 communicates with the reaction inner tank 1-4151.
- the circulation liquid outlet 1-416 and the circulation liquid inlet are both communicated with the temperature circulation layer 1-4152, and the circulation liquid outlet 1-416 and the circulation liquid inlet are arranged diagonally.
- the bottle mouth 1-411 is provided with an upper cover 1-417 or the bottle mouth 1-411 is set as a sealing structure.
- the set upper cover 1-417 is preferably a high light transmittance quartz plate.
- the provided novel reactor 1-41 preferably further includes a sealing clip.
- the sealing clip is used to clamp the bottle mouth 1-411 and the upper cap 1-417.
- the sealing clip is a double-jacketed eggplant-shaped structure. Specifically, two flanged clips can be used, and the two flanged clips can be improved so that the shape formed between the two flanged clips is changed from a U-shaped to an eggplant-shaped.
- the automatic sampling system 1 includes: an inert gas delivery module 1-1, a sampling channel switching module 1-2, a quantitative module 1-3, a disposal module 1-4 and a liquid storage module 1- 5.
- Both the liquid storage module 1-5 and the sampling channel switching module 1-2 are connected to the inert gas delivery module 1-1 through pipelines.
- the quantitative module 1-3 is respectively connected with the sampling channel switching module 1-2 and the disposal module 1-4 through pipelines.
- the liquid storage module 1-5 is connected to the sampling channel switching module 1-2 through a pipeline.
- the inert gas delivery module 1-1, the sampling channel switching module 1-2 and the quantitative module 1-3 are all electrically connected to the upper computer 5.
- the inert gas delivery module 1-1 is used to deliver the internally stored inert gas to the liquid storage module 1-5 and the sampling channel switching module 1-2 through pipelines, respectively.
- the sampling channel switching module 1-2 is used to extract the to-be-reacted solution stored in the liquid storage module 1-5, and to switch the channel for extracting the to-be-reacted solution.
- the quantitative module 1-3 is used to determine the amount of the solution to be reacted injected into the treatment module 1-4.
- the upper computer 5 is used to control the opening and closing of the inert gas delivery module 1-1 and the quantitative module 1-3, and is used to control the sampling channel switching module 1-2 to perform channel switching.
- All other external devices can be controlled by the host computer 5 through a communication protocol with a programmable logic controller (Programmable Logic Controller, PLC) for program control to meet the normal operation of the automation program.
- PLC programmable logic controller
- the above-mentioned inert gas delivery module 1-1 includes: an inert gas storage 1-11, a pressure regulating filter 1-12 and a first solenoid valve unit 1-13.
- the inert gas storage 1-11 is respectively connected with the liquid storage module 1-5 and the sampling channel switching module 1-2 through pipelines.
- the pressure regulating filter 1-12 and the first solenoid valve unit 1-13 are arranged on the connecting pipeline of the inert gas storage 1-11 and the liquid storage module 1-5, or arranged on the inert gas storage 1-11 and the sampling channel switching module 1-2 on the connecting line.
- the first solenoid valve unit 1-13 includes: a first two-way solenoid valve 1-131, a second two-way solenoid valve 1-132 and a three-way solenoid valve 1-133.
- the first two-way solenoid valve 1-131 and the three-way solenoid valve 1-133 are arranged on the connection pipeline between the inert gas storage 1-11 and the sampling channel switching module 1-2.
- the second two-way solenoid valve 1-132 is arranged on the connection pipeline between the inert gas storage 1-11 and the liquid storage module 1-5.
- the number of pressure regulating filters 1-12 is two, and the two pressure regulating filters 1-12 are respectively disposed on the connection pipeline between the inert gas storage 1-11 and the sampling channel switching module 1-2 and the inert gas On the connecting pipeline between the accumulator 1-11 and the liquid storage module 1-5.
- the above liquid storage module 1-5 includes N liquid storage bottles 1-51.
- Each liquid storage bottle 1-51 is connected with the inert gas delivery module 1-1 through a pipeline.
- the bottom of the liquid storage bottle 1-51 is conical or arc-shaped.
- Each liquid storage bottle 1-51 includes: a first channel opening, a second channel opening, a third channel opening and a bottle cap.
- the first channel port is used to connect with the sampling channel switching module 1-2 through a pipeline.
- the second channel port is used to connect with the inert gas delivery module 1-1 through a pipeline.
- the third channel port is used to discharge the gas or liquid in the liquid storage bottle 1-51.
- the bottle cap is screwed to the bottle mouth 1-411 of the liquid storage bottle 1-51.
- the inert gas is slightly positive pressure to fill each liquid storage bottle 1-51, so as to avoid the negative pressure of the closed liquid storage bottle 1-51 due to the reduction of liquid, which will affect the accuracy of injection.
- liquid storage bottles 1-51 There are preferably four kinds of liquid storage bottles 1-51 provided by the present invention: 10 mL pointed bottom liquid storage bottle, 20 mL pointed bottom liquid storage bottle, 500 mL round bottom liquid storage bottle and 125 mL two-neck liquid storage bottle.
- the 10mL and 20mL pointed bottom liquid storage bottles are mainly used to reserve block samples and reagent catalysts.
- the pointed bottom is designed to allow the pipeline to reach 1-512 at the bottom of the bottle to avoid the loss and waste of the reserve liquid.
- the internal thread design is convenient for custom-made polytetrafluoroethylene. Vinyl fluoride cap.
- the 500mL round-bottomed liquid storage bottle is mainly used to store ultra-dry organic solvents, and the 125mL two-necked bottle is mainly used to store organic solvents for diluting the reaction solution, or even waste liquid.
- the injection port 1-412 on the side is mainly for the insertion and extraction of the sampling needle during online monitoring.
- All the liquid storage bottles 1-51 are made of transparent tube-sealed glass with pressure resistance. The main purpose of not using brown or black is to facilitate the user of the instrument to observe the remaining amount of the storage liquid.
- the custom cap design to match the custom reservoir bottle 1-51 has undergone repeated exploration, verification and modification.
- the bottle cap has three channels, which are for ventilation, liquid flow and air release.
- the bottle cap In order to ensure the stability of the concentration of the stock solution and the accuracy of automatic sample injection, the bottle cap must be tightly sealed, convenient for on-off, corrosion-resistant and durable.
- the on-off switch is embedded inside the bottle cap, and the bottom of the bottle cap is thinned and connected with an inverted cone to ensure that the compaction seal does not need a sealing ring and the connection is tight.
- the tightness of the connecting line gets the initial custom cap. After repeated tests, it was found that there was liquid leakage at the on-off switch embedded in the initial bottle cap. Therefore, an ordinary elastic sealing gasket was added to the on-off switch. This gasket is outside the bottle cap and does not require corrosion resistance. Teflon three-channel compact cap.
- the above sampling channel switching module 1-2 includes: a first multi-channel switching valve 1-21 and a second multi-channel switching valve 1-22.
- the first multi-channel switching valve 1-21 is connected with M liquid storage bottles 1-51 through pipelines.
- the second multi-channel switching valve 1-22 is connected with N-M liquid storage bottles 1-51 through pipelines.
- Two ten-channel switching valves can be connected in parallel or cross-connected to different sizes of storage bottles 1-51.
- the 10th channel of the two switching valves is always connected to the inert gas
- the 9th channel is connected to the commonly used ultra-dry solvent (such as dichloromethane)
- the 8th channel is connected to the secondary ultra-dry solvent (such as acetonitrile or toluene, etc.)
- other channels can be independent or cross-connected with different or the same stock solution without cross-contamination.
- the injection volume of less than or close to 1mL is connected to the first multi-channel switching valve 1-21, and the injection volume greater than or close to 1 mL is connected to the second multi-channel switching valve 1-22.
- Each channel number of the multi-channel switching valve needs to be One-to-one correspondence with the substances in each liquid storage bottle 1-51.
- the inert gas storage 1-11 is used to depressurize and filter the pressure through the pressure reducing valve and the pressure regulating filter 1-12 in turn, so as to provide positive pressure and clean the pipeline.
- the above-mentioned quantitative module 1-3 includes: a syringe pump unit 1-31, a pressure sensor 1-32, a flow meter 1-33 and a second solenoid valve unit 1-34.
- the inlet of the syringe pump unit 1-31 is connected to the sampling channel switching module 1-2 through a pipeline.
- the outlet of the syringe pump unit 1-31 is connected to the flow meter 1-33 through a pipeline.
- the flow meters 1-33 are connected to the disposal modules 1-4 by pipelines.
- the second solenoid valve unit 1-34 is arranged on the connection pipeline between the flow meter 1-33 and the treatment module 1-4.
- the pressure sensor 1-32 is arranged on the connecting line between the syringe pump unit 1-31 and the flow meter 1-33.
- the second solenoid valve unit 1-34, the pressure sensor 1-32 and the flow meter 1-33 are all electrically connected to the upper computer 5.
- the syringe pump unit 1-31 includes: a first syringe pump 1-311 and a second syringe pump 1-312.
- the first syringe pump 1-311 is connected to a channel in the first multi-channel switching valve 1-21 through a pipeline.
- the second syringe pump 1-312 is connected to a channel in the second multi-channel switching valve 1-22 through a pipeline.
- the range of the first syringe pump 1-311 is smaller than the range of the second syringe pump 1-312.
- injection is performed by the pipeline connected to the small-range syringe pump (ie, the first syringe pump 1-311).
- the pipeline connected by the large-range syringe pump ie, the second syringe pump 1-312
- the syringe on the syringe pump can be replaced, the minimum is 500uL, the maximum is 25mL, and the number of switching valves and syringe pumps can be increased modularly for expansion.
- Each pipeline is a syringe pump to provide injection power.
- Each pipeline has its own syringe pump and the high-precision flowmeter 1-33 behind it to cooperate, double control to ensure the accuracy of the injection, and the flowmeter 1-33 is used between the syringe pump and the flowmeter 1-33.
- the measurement is used as the final injection volume.
- One reason for this setting is that the accuracy of the syringe pump itself (1%) is lower than the accuracy of the flowmeter 1-3333 itself (2 ⁇ ).
- the second is that the syringe pump cannot identify air bubbles or whether there is a reserve liquid, and the metering difference between the gas and liquid of the flowmeter 1-33 is large. When the gas passes through, the measurement change can be fed back to the flowmeter 1-33 and the syringe pump. Double self-correction.
- the above-mentioned disposal module 1-4 includes: a novel reactor 1-41, a solution pipe 1-42 and a waste liquid bottle 1-43.
- the injection port 1-412 of the novel reactor 1-41 and the liquid inlet of the waste liquid product are connected to the second solenoid valve unit 1-34 through pipelines.
- the solution pipe 1-42 is connected to the exhaust port 1-413 of the novel reactor 1-41 through a pipeline.
- the second solenoid valve unit 1-34 is used to close the connection pipeline between the flowmeter 1-33 and the new reactor 1-41, and open the flowmeter 1-41 when the solution in the new reactor 1-41 reaches the set amount. 33 Connecting pipes to waste bottles 1-43.
- the solenoid valve next to the flowmeter 1-33 will immediately switch the excess to-be-reacted solution to the waste liquid bottle 1-43 to ensure that it enters the new reaction.
- the injection volume of devices 1-41 is accurate. After each sample injection, an instruction on whether to perform pipeline cleaning can be programmed in the host computer 5 as required, and the waste liquid from the pipeline cleaning also enters the waste liquid bottle 1-43. Connected to the liquid inlet of the new reactor 1-41 is an oil bubbler that can prevent back suction. The purpose of this is to ensure that the air pressure in the new reactor 1-41 is normal and no foreign gas or water vapor will enter. This reactor type further meets the airtightness requirement of the entire automatic sampling system 1 .
- the above-mentioned liquid phase synthesis auxiliary system 2 includes: a temperature control device 2-1 and a mixing device 2-2.
- a software program is implanted in the upper computer 5, and the software program is used to control the specific work flow of the mixing device 2-2 and the temperature control device 2-1.
- the novel reactor 1-41 is placed on the mixing device 2-2, and both the mixing device 2-2 and the temperature control device 2-1 are electrically connected to the upper computer 5.
- the above temperature control device 2-1 includes: an ultraviolet light source 2-11 and a low temperature circulator 2-12.
- the liquid outlet of the cryogenic circulator 2-12 is connected with the pipeline of the circulating liquid inlet 1-416.
- the liquid inlet of the cryogenic circulator 2-12 is connected with the pipeline of the circulating liquid outlet.
- the UV light source 2-11 is used to illuminate the novel reactor 1-41.
- the ultraviolet light source 2-11 is preferably a mercury lamp light source of the CEL-M series.
- the mixing device 2-2 includes an automatic stirrer 2-21 and a constant temperature plate 2-22.
- Both the automatic stirrer 2-21 and the constant temperature plate 2-22 are electrically connected with the upper computer 5 .
- the automatic stirrer 2-21 is used to stir the mixed liquid in the new reactor 1-41 according to the stirring instruction in the upper computer 5.
- the new reactor 1-41 was placed on the automatic stirrer 2-21.
- the automatic stirrer 2-21 is provided on the thermostatic plate 2-22.
- the rotation of the automatic stirrer 2-21 drives the rotation of the new reactor 1-41, so as to realize the stirring function through the action of centrifugal force.
- Thermostat plate 2-22 is used to keep the temperature of novel reactor 1-41 constant.
- the automatic stirrer 2-21 in the present invention can also be a stirring rod, which is arranged above the novel reactor 1-41 to mix the solution evenly by stirring the mixed liquid in the reactor.
- the liquid phase synthesis automatic monitoring system 3 includes: a sampling module 3-1, a power module 3-2 and a monitoring and analysis module 3-3.
- the sampling module 3-1 is connected with the power module 3-2 by pipeline.
- the power module 3-2 and the monitoring and analysis module 3-3 are connected by pipeline.
- the sampling module 3-1, the power module 3-2 and the monitoring and analysis module 3-3 are all electrically connected to the upper computer 5.
- the sampling module 3-1 is used to absorb the reaction solution contained in the novel reactor 1-41.
- the power module 3-2 is used to provide suction force for the sampling module 3-1 according to the suction instruction in the upper computer 5, and is used to inject the suctioned reaction solution into the monitoring and analysis module 3-3.
- the monitoring and analysis module 3-3 is used to transmit the monitoring report to the upper computer 5 after generating the monitoring report according to the reaction solution.
- the upper computer 5 generates analysis results according to the monitoring report.
- the above sampling module 3-1 includes: a stainless steel needle, a slide rail and a turntable.
- the stainless steel needle is connected to the power module 3-2 through the first pipeline.
- the first pipe is arranged on the slide rail, and the slide rail and the horizontal line form a set angle (preferably 60°).
- the stainless steel needle is fixedly arranged at one end of the slide rail, and the other end of the slide rail is a free end.
- the slide rail is used to drive the stainless steel needle to slide, and the stainless steel needle is used to probe into the new reactor 1-41 to absorb the reaction solution.
- the slide rail is fixed on the turntable. Both the turntable and the slide rail are electrically connected with the upper computer 5 .
- the slide rail includes a slide plate and a support frame.
- the sliding plate moves down the support frame so that the stainless steel needle is inserted into the novel reactor 1-41 to draw the reaction solution.
- the support frame is fixed on the turntable, and the turntable can drive the entire slide rail to rotate, so that the stainless steel needle can absorb the liquid in different containers.
- the slide rail is fixed with the position of the new reactor 1-41 and can be adjusted up and down.
- a sliding track may be provided on the sliding rail to fix the first conduit.
- the turntable (machining module) drives the support slide rail to rotate to different positions at a certain angle in different directions and stay there.
- Stainless steel needles are preferably 9# needles in the present invention.
- a pierceable sealing rubber pad and an organic filter head are also arranged.
- the selection specifications of organic filter heads include 0.22um, 0.45um and 0.8um.
- the above-mentioned power module 3-2 includes: a power pump.
- the power pump is a syringe pump or a plunger pump.
- the power pump selected in the present invention has a strong suction force and also has a reverse suction function.
- the purpose of setting the suck-back function is to facilitate the cleaning of the pipelines of the entire liquid phase synthesis automatic monitoring system 3 .
- the power pump is connected to the sampling module 3-1 and the monitoring and analysis module 3-3 pipelines respectively.
- the above-mentioned monitoring and analysis module 3-3 is preferably a high performance liquid chromatograph (HPLC).
- HPLC high performance liquid chromatograph
- the liquid chromatograph is improved as follows: disassemble and adjust the sample injection part, connect with the online sample injection six-way valve through loop, receive the short-circuit signal of the upper computer 5 to control the trigger operation, and run the If the method is fixed and selected, it will be automatically flushed after the method is run.
- the high performance liquid chromatograph gives a report in TXT format according to the extracted reaction solution sample, for the upper computer 5 to extract data and generate an analysis report.
- the liquid phase synthesis automatic monitoring system 3 provided by the present invention further includes a cleaning module 3-4.
- the cleaning module 3-4 is respectively connected to the sampling module 3-1 and the power module 3-2 with pipelines.
- the cleaning module 3-4 includes: a first liquid container 3-41, a second liquid container 3-42 and a solenoid valve 3-43.
- the stainless steel needle can absorb the cleaning liquid in the first liquid container 3-41.
- the second liquid container 3-42, the power module 3-2 and the monitoring and analysis module 3-3 are all connected with the solenoid valve 3-43 in a pipeline. After the power module 3-2 sucks the cleaning liquid in the second liquid container 3-42 into the power pump through the suction function, it can be injected into the monitoring and analysis module 3-3 to clean it.
- the cleaning solution used in the present invention is preferably an organic solvent.
- the solenoid valve 3-43 is preferably an online sample injection six-way valve (high pressure flow path switching valve). It is equivalent to the injection six-way valve of the high-performance liquid sampler, connecting the loop of the HPLC and the waste liquid. The difference between it and the six-way valve in HPLC is that it is online alone and is controlled by the host computer 5 or HPLC.
- liquid phase synthesis automatic monitoring system 3 provided by the present invention to automatically sample, monitor and report and analyze the reaction solution, it is necessary to rely on a software program.
- the specific advantages of the liquid phase synthesis automatic monitoring system 3 provided by the present invention will be described in detail below in conjunction with the software program implanted in the upper computer 5 . Since the key point of the present invention is to protect the hardware structure, only the spiritual level is explained for the software control part.
- the present invention utilizes Shimadzu's DB version (database version) to analyze the liquid phase, reserves short-circuit joints for control triggering, combines with the short-circuit signal from the upper computer 5 to the PLC to control the liquid phase to run automatically as required, and automatically generates a PDF version after the running is completed.
- the TXT report of the report and the ASCII code of the original data, the upper computer 5 extracts the TXT report.
- reaction principle of "pre-activation” as an example, whether it is a common activation method or a light-mediated activation method, after the donor is activated, "sampling monitoring” needs to monitor whether the donor is fully activated, that is, activation monitoring, and then give Feedback of activation results, if it is not fully activated, continue to activate or activate repeatedly or continue to activate by light; if it is fully activated, add receptors, enter the "reaction time", and “sample to monitor” whether the receptors completely disappear after a certain time and temperature. Whether a new compound is formed, that is, reaction monitoring, and then give feedback on the reaction result. Whether the receptor remains is the key to judging whether to continue the next cycle reaction.
- the receptor still remains, continue to prolong the reaction time or increase the reaction temperature to continue the reaction. If the receptor has disappeared or is below a certain limit, it can continue by default. For the next cycle, the activation reaction can be continued and monitored. Consider terminating the automated synthesis if the receptor persists above a certain limit.
- each system provided by the present invention is organically integrated, and the obtained liquid-phase automatic synthesizer is shown in Figure 7.
- the length, width and height of the liquid-phase automatic synthesizer under this combination are 600cm.
- This assembly method is not the only assembly method of the liquid-phase automated synthesizer provided by the present invention, and the combination methods that can be obtained by those skilled in the art in combination with the above contents of the present invention all belong to the protection scope of the present invention.
- the liquid-phase automatic synthesizer is provided with a power distribution cabinet to provide electrical energy for the entire liquid-phase automatic synthesizer.
- the liquid phase automatic synthesizer provided by the present invention has a multi-layer structure inside, and each layer structure is provided with a door, and the door is provided with a stainless steel handle.
- the material of the door is mostly brown plexiglass, so that the operator can observe the internal experiment process while blocking light and heat.
- the door is divided into a lower door, a side door and an upper door, and the side door includes a left door and a right door.
- Each door is provided with a door suction and a door hole to ensure the sealing of the entire liquid phase automatic synthesizer.
- a linear slide rail is also provided below the liquid storage modules 1-5, and the linear slide rail is fixed on the bottom plate.
- the liquid storage module 1-5 and the mixing device 2-2 are separated by side baffles.
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Abstract
Description
Claims (10)
- 一种液相自动化合成仪,其特征在于,包括:自动进样系统、液相合成辅助系统、液相合成自动监测系统和上位机;所述自动进样系统、所述液相合成辅助系统和所述液相合成自动监测系统均与所述上位机电连接;所述自动进样系统用于根据所述上位机的进样指令完成自动进样操作;所述液相合成辅助系统用于根据所述上位机的温度控制指令和光照控制指令完成对待反应溶液的温度和光照控制;所述自动监测系统用于对反应溶液进行监测,生成监测报告;所述上位机根据所述监测报告生成实验分析结果。
- 根据权利要求1所述的液相自动化合成仪,其特征在于,还包括新型反应器;所述新型反应器分别与所述自动进样系统、所述液相合成辅助系统和所述液相合成自动监测系统管路连接。
- 根据权利要求2所述的液相自动化合成仪,其特征在于,所述新型反应器包括:瓶口、瓶身、进样口、排气口、取样口、循环出液口和循环进液口;所述进样口与所述瓶口间呈设定角度;所述排气口的中心线与所述瓶口的中心线垂直;所述瓶身由内及外依次包括反应内胆、温度循环层和真空层;所述反应内胆的胆底为弧形结构;所述取样口与所述反应内胆连通;所述循环出液口和所述循环进液口均与所述温度循环层连通,且所述循环出液口和所述循环进液口对角设置。
- 根据权利要求2所述的液相自动化合成仪,其特征在于,所述自动进样系统包括:惰性气体输送模块、取样通道切换模块、定量模块、处置模块和储液模块;所述储液模块和所述取样通道切换模块均通过管路与所述惰性气体输送模块连接;所述定量模块通过管路分别与所述取样通道切换模块和所 述处置模块连接;所述储液模块通过管路与所述取样通道切换模块连接;所述惰性气体输送模块、所述取样通道切换模块和所述定量模块均与所述上位机电连接;所述惰性气体输送模块用于将内部存储的惰性气体分别通过管路输送给所述储液模块和所述取样通道切换模块;所述取样通道切换模块用于提取所述储液模块中存储的待反应溶液,并用于切换提取所述待反应溶液的通道;所述定量模块用于确定注入所述处置模块中的待反应溶液量;所述上位机用于控制所述惰性气体输送模块和所述定量模块的开启和关闭,并用于控制所述取样通道切换模块进行通道切换。
- 根据权利要求4所述的液相自动化合成仪,其特征在于,所述取样通道切换模块包括:第一多通道切换阀和第二多通道切换阀;所述第一多通道切换阀通过管路与M个所述储液瓶连接;所述第二多通道切换阀通过管路与N-M个所述储液瓶连接;所述定量模块包括:注射泵单元、压力传感器、流量计和第二电磁阀单元;所述注射泵单元的入口通过管路与所述取样通道切换模块连接;所述注射泵单元的出口通过管路与所述流量计连接;所述流量计通过管路与所述处置模块连接;所述第二电磁阀单元设置在所述流量计与所述处置模块的连接管路上;所述压力传感器设置在所述注射泵单元与所述流量计的连接管路上;所述第二电磁阀单元、所述压力传感器和所述流量计均与所述上位机电连接;所述处置模块包括:溶液管和废液瓶;所述新型反应器的进样口和所述废液品的进液口均通过管路与所述第二电磁阀单元连接;所述溶液管通过管路与所述新型反应器的排气口连接;所述第二电磁阀单元用于当所述新型反应器中溶液达到设定量时,关闭所述流量计与所述新型反应器间的连接管路,并开启所述流量计与所述废液瓶的连接管路。
- 根据权利要求5所述的液相自动化合成仪,其特征在于,所述注射泵单元包括:第一注射泵和第二注射泵;所述第一注射泵通过管路与所述第一多通道切换阀中的一通道连接;所述第二注射泵通过管路与所述第二多通道切换阀中的一通道连接;所述第一注射泵的量程小于所述第二注射泵的量程。
- 根据权利要求2所述的液相自动化合成仪,其特征在于,所述液相合成辅助系统,包括:混合装置和控温装置;所述新型反应器置于所述混合装置上,所述混合装置和所述控温装置均与所述上位机电连接。
- 根据权利要求7所述的液相自动化合成仪,其特征在于,所述控温装置包括:紫外光源和低温循环器;所述低温循环器的出液口与所述循环进液口管路连接;所述低温循环器的进液口与所述循环出液口管路连接;所述紫外光源用于照射所述新型反应器;所述混合装置包括:自动搅拌器和恒温盘;所述自动搅拌器和所述恒温盘均与所述上位机电连接;所述自动搅拌器用于根据所述上位机中的搅拌指令搅拌所述新型反应器中的混合液;所述新型反应器置于所述自动搅拌器上;所述恒温盘用于保持所述新型反应器的温度恒定。
- 根据权利要求2所述的液相自动化合成仪,其特征在于,所述液相合成自动监测系统,包括:取样模块、动力模块、监测分析模块和清洗模块;所述取样模块与所述动力模块管路连接;所述动力模块和所述监测分析模块管路连接;所述取样模块、所述动力模块和所述监测分析模块均与所述上位机电连接;所述取样模块用于吸取所述新型反应器中盛装的反应溶液;所述动力模块用于根据所述上位机中的吸取指令为所述取样模块提供吸取力,并用于将吸取的反应溶液注入所述监测分析模块中;所述监测分析模块用于根 据反应溶液生成监测报告后,将所述监测报告传输给所述上位机;所述上位机根据所述监测报告生成分析结果;所述清洗模块分别与所述取样模块和所述动力模块管路连接。
- 根据权利要求9所述的液相自动化合成仪,其特征在于,所述取样模块包括:不锈钢针头、滑轨和转盘;所述不锈钢针头通过第一管道与所述动力模块连接;所述第一管道设置在所述滑轨上,且所述滑轨与水平线间呈设定角度;所述不锈钢针头固定设置在所述滑轨的一端,所述滑轨的另一端为自由端;所述滑轨用于带动所述不锈钢针头进行滑动,所述不锈钢针头用于探入所述新型反应器中吸取反应溶液;所述滑轨固定设置在所述转盘上;所述转盘和所述滑轨均与所述上位机电连接;所述动力模块包括:动力泵;所述动力泵为注射泵或柱塞泵;所述动力泵分别与所述取样模块和所述监测分析模块管路连接;所述监测分析模块为高效液相色谱仪;所述清洗模块包括:第一盛液器、第二盛液器和电磁阀;所述不锈钢针头吸取所述第一盛液器中的清洗液;所述第二盛液器、所述动力模块和所述监测分析模块均与所述电磁阀管路连接。
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