CN109180506A - A kind of two kinds of static pressure cause ratio tenebrescent molecules and preparation method thereof shown - Google Patents
A kind of two kinds of static pressure cause ratio tenebrescent molecules and preparation method thereof shown Download PDFInfo
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- CN109180506A CN109180506A CN201811209149.5A CN201811209149A CN109180506A CN 109180506 A CN109180506 A CN 109180506A CN 201811209149 A CN201811209149 A CN 201811209149A CN 109180506 A CN109180506 A CN 109180506A
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Abstract
The invention discloses a kind of static pressures of two kinds of displays to cause ratio tenebrescent molecule and preparation method thereof, which causes the chemical structure of ratio off-color material as shown in (I):For the preparation method the following steps are included: synthetic intermediate compound 2,5- dibromo paraphenylene terephthalamide's toluene synthesize target product (I), the static pressure of as two kinds displays causes ratio tenebrescent molecule.Power of the invention causes ratio photochromic molecule, and it has the characteristics that contrast is high, thermostabilization is good, key is that the material can be by the peak value energy quantitative judge ambient pressure intensity of fluorescence spectrum and ultra-violet absorption spectrum, i.e. power causes ratio discoloration behavior, can be used for pressure capsule system.
Description
Technical field
The invention belongs to technical field of chemistry, specifically, the static pressure for being related to a kind of two kinds of displays causes ratio discoloration glimmering
Optical molecule and preparation method thereof.
Background technique
Pressure (power) causes fluorescence discoloration to refer to that fluorescence color or/and intensity etc. are adding mechanical force (friction, shearing etc.) or quiet outside
Pressure effect is lower, and there is a phenomenon where reversible changes.Static pressure cause fluorescence discoloration) material because its fluorescence can connect under pressure
It is continuous to change, possess very big application potential in fields such as benthoscope, aircraft wind tunnel test and ultra-deep prospect pits.
The static pressure reported at present causes off-color material mainly to have: Japanese professor Yamaguchi prepares " propeller " type thiophene
Pheno derivative, crystal issue faint yellow fluorescence.Its fluorescence is quenched completely under the effect of 3.2GPa static pressure, relative to initial state
The red shift (J.Am.Chem.Soc.2013,135,1032) of spectrum generation 53nm.The design of Jilin University Tian Wenjing professor seminar,
High luminous anthrene derivative, the continuous red shift of fluorescence spectrum under the Pressure stimulation from 1atm to 7.9GPa are synthesized, red shift increases
To 124nm (Angew.Chem.Int.Ed.2012,51,10782-10785).And applicant where seminar construct to-
The derivative of receptor " ten " word chiasma type talan nitrile, spectral red shift 87nm, crystalline, powder under 10MPa Pressure stimulation
Peony (J.Mater.Chem.C, 2014,2,5365-5371) is become from bright green.Although there is a large amount of static pressure to cause at present
Material is reported, but still remains following problems: (1) static pressure and the relationship of fluorescence are limited only to qualitative；(2) main collection
In in single instruction, i.e. relationship between pressure and emission peak (fluorescence spectrum), and pressure and absorption peak (ultra-violet absorption spectrum) it
Between relationship seldom applied
Summary of the invention
In view of this, the present invention provides a kind of static pressures of two kinds of displays to cause ratio tenebrescent molecule and its preparation side
Method.
In order to solve the above-mentioned technical problem, the invention discloses a kind of static pressures of two kinds of displays to cause ratio tenebrescent point
Son, entitled 2,5-, bis- diphenylamines paraphenylene terephthalamide's toluene, chemical structure is such as shown in (I):
The invention also discloses the preparation methods that a kind of static pressure of two kinds of displays causes ratio tenebrescent molecule, including with
Lower step:
Step 1, synthetic intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II)；
Step 2, the static pressure of two kinds of displays of synthesis cause ratio tenebrescent molecule (I).
Optionally, the synthetic intermediate 2 in the step 1,5- dibromo paraphenylene terephthalamide toluene (II) specifically:
Its synthetic route is as follows:
The specific steps are that: it weighs 2,5- dibromoterephthalic acid (IV) and is added in thionyl chloride, after heated reflux,
Excessive thionyl chloride is removed in vacuum, obtains 3,6- dibromo paraphthaloyl chloride；It is molten to weigh toluene, Catalyzed by Anhydrous Aluminium Chloride agent
Then solution is added drop-wise in 3,6- dibromo paraphthaloyl chloride in methylene chloride；Reaction is stirred at room temperature, to the end of reacting, is added big
Amount ice water obtains solid, then carries out being recrystallized to give 2,5- dibromo paraphenylene terephthalamide's toluene intermediate (II).
Optionally, 2,5- dibromoterephthalic acid and the molal volume of thionyl chloride ratio (mmol/mL) are 10:45-10:
40；3,6- dibromo paraphthaloyl chloride: toluene: aluminum trichloride (anhydrous) 10mmol:20-30mmol:15-25mmol.
Optionally, the time of the heating reflux reaction in the step 1 is 8-12h；The temperature being heated to reflux is 100-200
℃。
Optionally, the time that is stirred to react in the step 1 is 6-10h.
Optionally, the static pressure of two kinds of the synthesis in the step 2 displays causes ratio tenebrescent molecule (I) specifically:
Its synthetic route is as follows:
The specific steps are that: weigh intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II), diphenylamines, 2- dicyclohexyl
Phosphorus -2', 6'- diisopropoxy -1,1'- biphenyl, K3PO4It is dissolved in toluene solution；Under nitrogen protection, heating reflux reaction；Instead
It should terminate after condensing to room temperature, be extracted with methylene chloride, collect organic phase；Desiccant is dried, filtering；Revolving removes
Solvent obtains residue, carries out silica gel column chromatography, obtains red target target product；As power causes ratio off-color material 2,5-
Two diphenylamines paraphenylene terephthalamide toluene (I).
Optionally, 2, the 5- dibromo paraphenylene terephthalamide toluene (II) in the step 2: diphenylamines: 2- dicyclohexyl phosphorus-
2', 6'- diisopropoxy -1,1'- biphenyl: K3PO4: toluene 2mmol:4-6mmol:3-5mmol:15-25mmol:20-
30mL。
Optionally, the temperature being heated to reflux in the step 2 is 100-200 DEG C；The time of heating reflux reaction is 14-
18h。
Optionally, the eluent dichloromethane of each elution in the step 2 and the volume ratio (L/L) of petroleum ether are
1:6。
Compared with prior art, the present invention can be obtained including following technical effect:
Power of the invention causes ratio photochromic molecule, and it has the characteristics that contrast is high, thermostabilization is good.It is glimmering under Pressure stimulation
Light and absorption spectrum produce the red shift of 90nm and 110nm respectively, show the feature of high comparison.In addition, the material can pass through
The peak value of the peak value energy quantitative judge ambient pressure intensity of fluorescence spectrum and ultra-violet absorption spectrum, i.e. pressure and corresponding spectrum is presented
Good linear relationship (i.e. extraneous static pressure force value simultaneously with fluorescence spectrum peak value and the linear pass of ultra-violet absorption spectrum peak value
System).
Certainly, it implements any of the products of the present invention it is not absolutely required to while reaching all the above technical effect.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the linear relationship chart of static pressure of the present invention Yu (I) launch wavelength；
Fig. 2 is the linear relationship chart of static pressure of the present invention Yu (I) absorption peak energy band.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below in conjunction with embodiment, whereby to the present invention how application technology hand
Section solves technical problem and reaches the realization process of technical effect to fully understand and implement.
The invention discloses a kind of static pressures of two kinds of displays to cause ratio tenebrescent molecule preparation method, including following step
It is rapid:
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II):
Its synthetic route is as follows:
The specific steps are that: it weighs 2,5- dibromoterephthalic acid (IV) and is added to thionyl chloride (SOCl2) in, wherein
2,5- dibromoterephthalic acid and the molal volume of thionyl chloride ratio (mmol/mL) are 10:45-10:40；Add through 100-200 DEG C
After heat reflux 8-12h, excessive thionyl chloride is removed in vacuum, obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene, anhydrous three
Aluminum chloride catalyst is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, wherein 3,6- dibromos are to benzene
Dimethyl chloride: toluene: aluminum trichloride (anhydrous) 10mmol:20-30mmol:15-25mmol；Reaction 6-10h is stirred at room temperature, to anti-
It should terminate, a large amount of ice water are added and obtain solid, then carry out being recrystallized to give 2,5- dibromo paraphenylene terephthalamide's toluene intermediate
(Ⅱ)。
The synthesis of step 2, (I):
Its synthetic route is as follows:
The specific steps are that: weigh intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II), diphenylamines, 2- dicyclohexyl
Phosphorus -2', 6'- diisopropoxy -1,1'- biphenyl (Ruphos), K3PO4It is dissolved in toluene solution, wherein 2,5- dibromos are to benzene two
Formyl toluene (II): diphenylamines: Ruphos:K3PO4: toluene 2mmol:4-6mmol:3-5mmol:15-25mmol:20-
30mL；Under nitrogen protection, it is heated to 100-200 DEG C of back flow reaction 14-18h；Reaction terminates after condensing to room temperature, uses dichloromethane
Alkane is extracted, and organic phase is collected.Desiccant is dried, filtering.Revolving removes solvent and obtains residue, carries out silica gel column layer
Analysis, the eluent dichloromethane of each elution and the volume ratio (L/L) of petroleum ether are 1:6, obtain red objects product.As
Power causes ratio off-color material, i.e. 2,5-, bis- diphenylamines paraphenylene terephthalamide toluene (I) is abbreviated as PBM-DFA.
Embodiment 1
A kind of static pressure cause ratio tenebrescent molecule preparation method of two kinds of displays, comprising the following steps:
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 120 DEG C are heated to reflux 10h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.30g (25mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 2.67g (20mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
8h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 3.35g.
Product yield is 71%,1H NMR(400MHz,CDCl3) δ 7.76 (d, J=8.3Hz, 4H), 7.58 (s, 2H),
7.32 (d, J=8.0Hz, 8H), 2.37 (s, 6H)；MS(ESI)m/z 472.17.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.28g (4mmol), K3PO44.24g (20mmol) is dissolved in 25ml toluene solution.In nitrogen
Under the conditions of, 110 DEG C of heating reflux reaction 16h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collects organic
Phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is dichloro
Methane/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.87g.
The yield of product is 67%,1H NMR(400MHz,CDCl3) δ 7.45 (d, J=8.0Hz, 4H), 7.25 (s, 2H),
7.11-7.07 (m, 12H), 6.87 (t, J=8.4Hz, 12H), 2.34 (s, 6H)；MS(Maidi-Tof-MS)m/z 648.520.
Embodiment 2
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.56g (11mmol) is added to 40ml thionyl chloride (SOCl2) in, after 120 DEG C are heated to reflux 10h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.40g (26mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 2.67g (20mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
8h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 3.47g, yield 67%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 1.02g (6mmol), Ruphos 0.28g (4mmol), K3PO44.24g (20mmol) is dissolved in 25ml toluene solution.In nitrogen
Under the conditions of gas, 110 DEG C of heating reflux reaction 16h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collection has
Machine phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is two
Chloromethanes/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.91g, and yield is
71.5%.
Embodiment 3
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 140 DEG C are heated to reflux 8h, excess is removed in vacuum
Thionyl chloride, obtain 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.30g (25mmol), Catalyzed by Anhydrous Aluminium Chloride agent
2.80g (21mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, and reaction 8h is stirred at room temperature,
To the end of reacting, a large amount of ice water are added and obtain solid, then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide's first
Benzene (II) total 3.48g, yield 73.8%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.32g (5mmol), K3PO44.24g (20mmol) is dissolved in 25ml toluene solution.In nitrogen
Under the conditions of, 110 DEG C of heating reflux reaction 16h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collects organic
Phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is dichloro
Methane/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.84g, and yield is
66.1%.
Embodiment 4
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 120 DEG C are heated to reflux 12h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.30g (25mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 2.67g (20mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
6h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 3.04g, yield 64.4%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.28g (4mmol), K3PO44.48g (21mmol) is dissolved in 25ml toluene solution.In nitrogen
Under the conditions of, 110 DEG C of heating reflux reaction 16h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collects organic
Phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is dichloro
Methane/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.85g, and yield is
66.8%.
Embodiment 5
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 120 DEG C are heated to reflux 10h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.30g (25mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 2.67g (20mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
9h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 3.47g, yield 73.5%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.28g (4mmol), K3PO44.24g (20mmol) is dissolved in 20ml toluene solution.In nitrogen
Under the conditions of, heating reflux reaction 16h at 120 DEG C.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collection has
Machine phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is two
Chloromethanes/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.84g, and yield is
66.5%.
Embodiment 6
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 200 DEG C are heated to reflux 8h, excess is removed in vacuum
Thionyl chloride, obtain 3,6- dibromo paraphthaloyl chloride；Weigh toluene 3.45g (25mmol), Catalyzed by Anhydrous Aluminium Chloride agent
2.67g (20mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, and reaction 10h is stirred at room temperature,
To the end of reacting, a large amount of ice water are added and obtain solid, then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide's first
Benzene (II) total 3.18g, yield 67.4%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.28g (4mmol), K3PO44.24g (20mmol) is dissolved in 30ml toluene solution.In nitrogen
Under the conditions of, heating reflux reaction 16h at 150 DEG C.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collection has
Machine phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is two
Chloromethanes/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.79g, and yield is
62.3%.
Embodiment 7
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 45ml thionyl chloride (SOCl2) in, after 100 DEG C are heated to reflux 12h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 2.76g (20mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 3.34g (25mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
9h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 2.91g, yield 61.9%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.84g (5mmol), Ruphos 0.28g (4mmol), K3PO45.3g (25mmol) is dissolved in 30ml toluene solution.In nitrogen
Under the conditions of, 200 DEG C of heating reflux reaction 14h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collects organic
Phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is dichloro
Methane/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.81g, and yield is
63.6%.
Embodiment 8
The synthesis of step 1, intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II): 2,5- dibromoterephthalic acid is weighed
(IV) 3.25g (10mmol) is added to 40ml thionyl chloride (SOCl2) in, after 130 DEG C are heated to reflux 10h, it was removed in vacuum
The thionyl chloride of amount obtains 3,6- dibromo paraphthaloyl chloride；Weigh toluene 4.14g (30mmol), Catalyzed by Anhydrous Aluminium Chloride
Agent 2.00g (15mmol) is dissolved in methylene chloride, is then added drop-wise in 3,6- dibromo paraphthaloyl chloride, reaction is stirred at room temperature
8h is added a large amount of ice water and obtains solid to the end of reacting, and then carries out being recrystallized to give intermediate 2,5- dibromo paraphenylene terephthalamide
Toluene (II) total 2.93g, yield 62.1%.
The synthesis of step 2, (I): intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II) 0.94g (2mmol), hexichol are weighed
Amine 0.68g (4mmol), Ruphos 0.21g (3mmol), K3PO43.18g (15mmol) is dissolved in 20ml toluene solution.In nitrogen
Under the conditions of, 100 DEG C of heating reflux reaction 18h.Reaction terminates after condensing to room temperature, is extracted with methylene chloride, collects organic
Phase.Desiccant is dried, filtering.Revolving removes solvent and obtains residue progress silica gel column chromatography, and elution liquid proportional is dichloro
Methane/petroleum ether is 1/6, is obtained red objects product (I), and as power causes ratio off-color material, total 0.84g, and yield is
66.1%.
Embodiment 9
Red objects product (I) prepared by embodiment 1 is put into pressure chamber, test is with its fluorescence of pressure change and ultraviolet
Then absorption spectrum reads its corresponding peak value, the final relational graph (Fig. 1 and Fig. 2) for obtaining pressure and peak value.
As shown in Figure 1, generating the red shift of 90nm as pressure increase fluorescence spectrum is from 605nm red shift to 695nm, show
Higher contrast out.In addition, good linear relationship (R is presented in peak value and pressure2=0.996), illustrate through fluorescence spectrum
Peak value energy quantitative judge ambient pressure.
As shown in Fig. 2, generating the red shift of 120nm as pressure increase absorption spectrum is from 570nm red shift to 690nm, show
Higher contrast out.In addition, good linear relationship (R is presented in peak value and pressure2=0.980), illustrate through absorption peak energy band
It can quantitative judge ambient pressure.
Above description has shown and described several preferred embodiments of invention, but as previously described, it should be understood that invention is not
It is confined to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification
And environment, and can be carried out within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
Change.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of invention, then it all should be in the appended power of invention
In the protection scope that benefit requires.
Claims (10)
1. a kind of static pressure of two kinds of displays causes ratio tenebrescent molecule, which is characterized in that entitled 2,5- diphenylamines is to benzene
Two formyl toluene, chemical structure is such as shown in (I):
2. the preparation method that a kind of static pressure of two kinds of displays causes ratio tenebrescent molecule, which is characterized in that including following step
It is rapid:
Step 1, synthetic intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II)；
Step 2, the static pressure of two kinds of displays of synthesis cause ratio tenebrescent molecule (I).
3. preparation method according to claim 2, which is characterized in that the synthetic intermediate 2 in the step 1,5- dibromo
Paraphenylene terephthalamide's toluene (II) specifically:
Its synthetic route is as follows:
The specific steps are that: it weighs 2,5- dibromoterephthalic acid (IV) and is added in thionyl chloride, after heated reflux, vacuum
Excessive thionyl chloride is removed, 3,6- dibromo paraphthaloyl chloride is obtained；Weigh toluene, Catalyzed by Anhydrous Aluminium Chloride agent is dissolved in
Then methylene chloride is added drop-wise in 3,6- dibromo paraphthaloyl chloride；Reaction is stirred at room temperature, to the end of reacting, a large amount of ice are added
Water obtains solid, then carries out being recrystallized to give 2,5- dibromo paraphenylene terephthalamide's toluene intermediate (II).
4. preparation method according to claim 3, which is characterized in that 2,5- dibromoterephthalic acids and thionyl chloride rub
Your volume ratio (mmol/mL) is 10:45-10:40；3,6- dibromo paraphthaloyl chloride: toluene: aluminum trichloride (anhydrous) is
10mmol:20-30mmol:15-25mmol。
5. preparation method according to claim 3, which is characterized in that the time of the heating reflux reaction in the step 1
For 8-12h；The temperature being heated to reflux is 100-200 DEG C.
6. preparation method according to claim 3, which is characterized in that the time that is stirred to react in the step 1 is 6-
10h。
7. preparation method according to claim 2, which is characterized in that the static pressure of two kinds of synthesis displays in the step 2
Power causes ratio tenebrescent molecule (I) specifically:
Its synthetic route is as follows:
The specific steps are that: intermediate 2,5- dibromo paraphenylene terephthalamide toluene (II), diphenylamines, 2- dicyclohexyl phosphorus -2' are weighed,
6'- diisopropoxy -1,1'- biphenyl, K3PO4It is dissolved in toluene solution；Under nitrogen protection, heating reflux reaction；Reaction terminates
It after condensing to room temperature, is extracted with methylene chloride, collects organic phase；Desiccant is dried, filtering；Revolving removes solvent and obtains
Residue is obtained, silica gel column chromatography is carried out, obtains red target target product；As power causes ratio off-color material 2,5- diphenylamines
Paraphenylene terephthalamide's toluene (I).
8. preparation method according to claim 7, which is characterized in that 2, the 5- dibromo paraphenylene terephthalamide in the step 2
Toluene (II): diphenylamines: 2- dicyclohexyl phosphorus -2', 6'- diisopropoxy -1,1'- biphenyl: K3PO4: toluene 2mmol:4-
6mmol:3-5mmol:15-25mmol:20-30mL.
9. preparation method according to claim 7, which is characterized in that the temperature being heated to reflux in the step 2 is
100-200℃；The time of heating reflux reaction is 14-18h.
10. preparation method according to claim 7, which is characterized in that the eluent of each elution in the step 2
The volume ratio (L/L) of methylene chloride and petroleum ether is 1:6.
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| US20110263861A1 (en) * | 2009-11-19 | 2011-10-27 | Kyushu University, National University Corporation | Quinoline compound |
| CN105294464A (en) * | 2015-08-20 | 2016-02-03 | 浙江工业大学 | Triphenylamine derivative and preparation method and application thereof |
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Application publication date: 20190111 Assignee: HUZHOU AIXIANTE ELECTRONIC TECHNOLOGY Co.,Ltd. Assignor: HUZHOU TEACHERS College Contract record no.: X2022330000776 Denomination of invention: A Two Kinds of Displayed Hydrostatic Pressure Induced Ratio Chromophoric Fluorescent Molecule and Its Preparation Method Granted publication date: 20210716 License type: Common License Record date: 20221214 |