CN103435506A - Preparation method of quaternary ammonium salt with adamantyl - Google Patents
Preparation method of quaternary ammonium salt with adamantyl Download PDFInfo
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Abstract
The invention discloses a preparation method of quaternary ammonium salt with adamantly. The preparation method comprises the following steps: step A. uniformly stirring and mixing adamantane carboxylic acid, anhydrous ethanol amine, aluminium oxide and methanesulfonic acid, heating and reacting so as to obtain adamantane carboxylic acid ethylamine ester; step B. stirring the adamantane carboxylic acid ethylamine ester and methanoic acid till solids are completely dissolved, then heating to 50 DEG C, slowly dropwise adding a formalin solution, after ending dropwise addition, heating to 80 DEG C, and continuously reacting so as to obtain N, N-dimethyl adamantane carboxylic acid ethylamine ester; and step C. uniformly stirring and mixing the N, N-dimethyl adamantane carboxylic acid ethylamine ester and absolute methanol, slowly dropwise adding alkyl halide, after ending dropwise addition, heating and reacting so as to obtain the quaternary ammonium salt with the adamantly. By adopting the preparation method, the process route is simplified, the reaction yield reaches up to 95%, and the post-processing operation is simple, convenient and easy to realize; the preparation method is simple and convenient and is suitable for industrial production.
Description
Technical field
the present invention relates to a kind of preparation method of quaternary ammonium salt, particularly relate to a kind of preparation method with quaternary ammonium salt of adamantyl.
Background technology
the carbon atom arrangement of diamantane is equivalent to the part carbon atom arrangement in diamond lattice, the structure height symmetry, fusing point is also higher, its structural hydrogen atom is easy to occur substitution reaction, activity is higher, especially the derivative of diamantane can be used for medicine, as 1-aminoadamantan hydrochloride and 1-adamantyl ethylamine hydrochloride can be prevented and treated the influenza caused by A2 virus.Because it has good lubricity and lipophilicity, its derivative is of many uses.
quaternary ammonium hydroxide is a kind of highly basic, and alkalescence is suitable with potassium hydroxide with sodium hydroxide, and easy deliquescence is soluble in water and 100% ionization occurs.The quaternary ammonium hydroxide application is wider: (1) phase-transfer catalyst, with crown ether, to compare, and its outstanding feature is nontoxic and low price, some phase-transfer-catalyzed reactions are 65% left and right as yield under the effect of quaternary ammonium hydroxide, if do not use, reaction yield only has 5%; (2) as cats product, there is the above quaternary ammonium alkyl alkali of 12 carbon, be a kind of cats product, in sterilization, softness, enhancing mobility and lubricated field, effect is outstanding; (3) physiologically active, some quaternary ammonium hydroxide also can promote the metabolism of carbohydrate and protein, as additive, animal nerve is had to the adjusting provide protection.Admantyl quaternary ammonium base, introduce active higher adamantane structure by chemical process, cause has higher lipophilicity and lubricity is the important fine chemicals of a class, in fields such as household chemicals, automobile, weaving, electronics, oil production, biomedicine, pharmacy, fabrication of new materials, extensive and important purposes is arranged, can be used as the template of washing composition, sterilant, static inhibitor, softening agent, molecular sieve etc.As the synthetic method of the quaternary ammonium salt with adamantyl, or because not improving purity, or because of long reaction time, or because of raw material not complete reaction, can not purifying can not obtain object with high purity, high yield and be difficult to use in industrial.
the synthetic method of for this reason, seeking effectively to improve the quaternary ammonium salt yield with adamantyl becomes the focus of industry.
Summary of the invention
the objective of the invention is for the technological deficiency existed in prior art, and a kind of preparation method who has the quaternary ammonium salt yield of adamantyl for raising is provided.
for realizing that the technical scheme that purpose of the present invention adopts is:
a kind of preparation method with quaternary ammonium salt of adamantyl, concrete steps are as follows:
by N, N-dimethyladamantane formic acid ethamine ester [following formula (3)] and anhydrous methanol are uniformly mixed rear slow dropping haloalkane, start to be heated to 70-90 ℃ after dropwising, react fully rear filtration in 4-6 hour and obtain solid, with absolute ethanol washing gained solid, the quaternary ammonium salt [following formula (4)] that must there is adamantyl, wherein, N, mole molecular volume ratio of N-dimethyladamantane formic acid ethamine ester [following formula (3)], haloalkane and anhydrous methanol, count by mol/mol/mL: 1:1:(800-1200)
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, described N, N-dimethyladamantane formic acid ethamine ester [above formula (3)] has following step to prepare: adamantanecarboxylic acid ethamine ester [above formula (2)] and formic acid are stirred to solid and all dissolve post-heating, be heated to 50 ℃ of slow molecular volume ratios, the formalin that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction 15-17 hour, be down to room temperature after reacting completely, with alkali hydroxide metallic solution conditioned reaction liquid pH to 12, be extracted with ethyl acetate, reclaim extraction solvent after dry organic phase and obtain N, N-dimethyladamantane formic acid ethamine ester [above formula (3)], wherein, adamantanecarboxylic acid ethamine ester [above formula (2)], mole molecular volume ratio of formic acid and formalin, by mol/mol/mL, count: 1:(2-4): (160-180).
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, prepared by following step by described adamantanecarboxylic acid ethamine ester [above formula (2)]: by adamantanecarboxylic acid [above formula (1)], dehydrated alcohol amine, aluminium sesquioxide and methylsulfonic acid are uniformly mixed post-heating to 70-90 ℃, react and within 5-7 hour, be down to room temperature after fully and pour saturated sodium carbonate solution into, with Virahol, extract, reclaim extraction solvent after dry organic phase and obtain adamantanecarboxylic acid ethamine ester [above formula (2)], wherein, adamantanecarboxylic acid [above formula (1)], dehydrated alcohol amine, mole mole molecular volume ratio of aluminium sesquioxide and methylsulfonic acid, by mol/mol/mol/mL, count: 1:1:(2-4): (10-20).
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, described N, mole molecular volume ratio of N-dimethyladamantane formic acid ethamine ester, haloalkane and anhydrous methanol, count by mol/mol/mL: 1:1:1000.
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, mole molecular volume ratio of described adamantanecarboxylic acid ethamine ester, formic acid and formalin, count by mol/mol/mL: 1:3:170.
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, mole mole molecular volume ratio of described adamantanecarboxylic acid, dehydrated alcohol amine, aluminium sesquioxide and methylsulfonic acid, count by mol/mol/mol/mL: 1:1:3:15.
preferably, in the preparation method of the above-mentioned quaternary ammonium salt with adamantyl, described haloalkane is the straight chain haloalkane that carbonatoms is 1-10.
compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention can control the selectivity of reaction preferably, almost production esterification intermediate product in specific manner;
(2) the present invention has simplified current synthetic operational path greatly, and method is easy, and reaction yield is up to 95%, the easy easy realization of post-processing operation simultaneously, thus a kind of novel method comparatively easily is provided to the suitability for industrialized production of the quaternary ammonium salt with adamantyl;
(3) synthetic method craft of this diamantane is simple, product yield is high, quality is good, and raw material is cheap and easy to get, has reduced production cost, is applicable to the needs that large-scale industrial is produced.
The accompanying drawing explanation
the chemical equation that Fig. 1 is the inventive method;
fig. 2 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 1 method to make;
fig. 3 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 1 method to make;
fig. 4 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 2 methods to make;
fig. 5 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 2 methods to make;
fig. 6 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 3 methods to make;
fig. 7 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 3 methods to make;
fig. 8 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 4 methods to make;
fig. 9 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 4 methods to make;
figure 10 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 5 methods to make;
figure 11 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 5 methods to make;
figure 12 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 6 methods to make;
figure 13 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 6 methods to make;
figure 14 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 7 methods to make;
figure 15 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 7 methods to make;
figure 16 is the quaternary ammonium salt 1H-NMR spectrogram with adamantyl that utilizes embodiment 8 methods to make;
figure 17 is the quaternary ammonium salt 13C-NMR spectrogram with adamantyl that utilizes embodiment 8 methods to make.
Embodiment
below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
steps A: adamantanecarboxylic acid 1mol, dehydrated alcohol amine 1mol, aluminium sesquioxide 2mol and methylsulfonic acid 10mol are uniformly mixed to post-heating to 70 ℃, be down to room temperature after within 5 hours, reacting completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 0.99mol;
step B: adamantanecarboxylic acid ethamine ester 0.99mol and formic acid 1.98mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 160mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after within 15 hours, reacting completely, with sodium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 0.98mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 0.98mol and anhydrous methanol 800mL are uniformly mixed rear slow dropping 0.98mol methyl iodide, dropwise post-heating to 70 ℃ reaction, the rear filtration that reacts completely in 4 hours obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 0.96mol that must there is adamantyl, productive rate 96%, purity 99%.
steps A: adamantanecarboxylic acid 1mol, dehydrated alcohol amine 1mol, aluminium sesquioxide 4mol and methylsulfonic acid 20mol are uniformly mixed to post-heating to 90 ℃, be down to room temperature after within 7 hours, reacting completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 0.995mol;
step B: adamantanecarboxylic acid ethamine ester 0.995mol and formic acid 3.98mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 180mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after within 17 hours, reacting completely, with potassium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 0.985mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 0.985mol and anhydrous methanol 1182mL are uniformly mixed rear slow dropping 0.985mol monochloroethane, dropwise post-heating to 90 ℃ reaction, the rear filtration that reacts completely in 6 hours obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 0.97mol that must there is adamantyl, productive rate 97%, purity is more than 99%.
steps A: adamantanecarboxylic acid 2mol, dehydrated alcohol amine 2mol, aluminium sesquioxide 6mol and methylsulfonic acid 30mol are uniformly mixed to post-heating to 80 ℃, be down to room temperature after within 6 hours, reacting completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 1.98mol;
step B: adamantanecarboxylic acid ethamine ester 1.98mol and formic acid 5.94mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 340mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after within 16 hours, reacting completely, with potassium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 1.975mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 1.975mol and anhydrous methanol 1975mL are uniformly mixed rear slow dropping 1.975mol 1-N-PROPYLE BROMIDE, dropwise post-heating to 80 ℃ reaction, the rear filtration that reacts completely in 5 hours obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 1.956mol that must there is adamantyl, productive rate 97.8%, purity 99%.
steps A: adamantanecarboxylic acid 3mol, dehydrated alcohol amine 3mol, aluminium sesquioxide 7.5mol and methylsulfonic acid 39mol are uniformly mixed to post-heating to 75 ℃, be down to room temperature after 5.5 hour react completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 2.988mol;
step B: adamantanecarboxylic acid ethamine ester 2.988mol and formic acid 7.47mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 525mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after 15.5 hour react completely, with potassium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 2.964mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 2.964mol and anhydrous methanol 2519mL are uniformly mixed rear slow dropping 2.964mol 1-chlorobutane, dropwise post-heating to 75 ℃ reaction, 4.5 hour react completely, rear filtration obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 2.925mol that must there is adamantyl, productive rate 97.5%, purity is more than 99%.
embodiment 5
steps A: adamantanecarboxylic acid 5mol, dehydrated alcohol amine 5mol, aluminium sesquioxide 17.5mol and methylsulfonic acid 90mol are uniformly mixed to post-heating to 85 ℃, be down to room temperature after 6.5 hour react completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 4.965mol;
step B: adamantanecarboxylic acid ethamine ester 4.965mol and formic acid 17.38mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 825mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after 16.5 hour react completely, with sodium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 4.95mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 4.95mol and anhydrous methanol 4450mL are uniformly mixed rear slow dropping 4.95mol iodopentane, dropwise post-heating to 85 ℃ reaction, 5.5 hour react completely, rear filtration obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 4.83mol that must there is adamantyl, productive rate 96.6%, purity is more than 99%.
embodiment 6
steps A: adamantanecarboxylic acid 7mol, dehydrated alcohol amine 7mol, aluminium sesquioxide 19.6mol and methylsulfonic acid 84mol are uniformly mixed to post-heating to 78 ℃, be down to room temperature after 5.8 hour react completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 6.95mol;
step B: adamantanecarboxylic acid ethamine ester 6.95mol and formic acid 19.46mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 1141mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after 15.8 hour react completely, with potassium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 6.91mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 6.91mol and anhydrous methanol 6563mL are uniformly mixed rear slow dropping 6.91mol 1-iodohexane, dropwise post-heating to 78 ℃ reaction, 4.8 hour react completely, rear filtration obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 6.783mol that must there is adamantyl, productive rate 96.9%, purity 99%.
embodiment 7
steps A: adamantanecarboxylic acid 9mol, dehydrated alcohol amine 9mol, aluminium sesquioxide 29.7mol and methylsulfonic acid 126mol are uniformly mixed to post-heating to 83 ℃, be down to room temperature after 6.3 hour react completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 8.955mol;
step B: adamantanecarboxylic acid ethamine ester 8.955mol and formic acid 29.55mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 1512mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after 16.3 hour react completely, with sodium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 8.89mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 8.89mol and anhydrous methanol 9337mL are uniformly mixed rear slow dropping 8.89mol 1-heptyl bromide, dropwise post-heating to 83 ℃ reaction, 5.3 hour react completely, rear filtration obtains solid, with absolute ethanol washing gained solid, quaternary ammonium salt 8.61 mol that must there is adamantyl, productive rate 96.8%, purity 99%.
embodiment 8
steps A: adamantanecarboxylic acid 10mol, dehydrated alcohol amine 10mol, aluminium sesquioxide 38mol and methylsulfonic acid 160mol are uniformly mixed to post-heating to 88 ℃, be down to room temperature after 6.8 hour react completely and pour saturated sodium carbonate solution into, be extracted with ethyl acetate, with after the dry organic phase of Calcium Chloride Powder Anhydrous, reclaiming extraction agent, obtain adamantanecarboxylic acid ethamine ester 9.94mol;
step B: adamantanecarboxylic acid ethamine ester 9.94mol and formic acid 37.77mol are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin 1730mL that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction, be down to room temperature after 16.8 hour react completely, with potassium hydroxide solution conditioned reaction liquid pH to 12, with after Virahol extraction, dry organic phase, reclaiming extraction solvent, obtain N, N-dimethyladamantane formic acid ethamine ester 9.9mol;
step C: by N, N-dimethyladamantane formic acid ethamine ester 9.9mol and anhydrous methanol 10890mL are uniformly mixed rear slow dropping 9.9mol 1-chlorodecane, dropwise post-heating to 88 ℃ reaction, 5.8 hour react completely, rear filtration obtains solid, with absolute ethanol washing gained solid, the quaternary ammonium salt 9.74mol that must there is adamantyl, productive rate 97.4%, purity is more than 99%.
the described chemical reagent of one of embodiment 1-8 is commercially available prod, each amounts of components is increased according to same ratio or reduces, each component of gained all belong to protection scope of the present invention with magnitude relation.
as shown in Fig. 2-Figure 17, embodiment 1-8 products therefrom structure is tentatively confirmed as the quaternary ammonium salt with adamantyl through the nuclear-magnetism experiment.Nuclear magnetic data is as follows, 4-1 1H-NMR(400 MHz, CDCl3): δ=4.52 (t, J=13.8,2 H); (3.52 t, J=13.8,2 H), 3.30 (s, 9 H); 2.02 ~ 1.97 (m, 9 H), 1.71 (t, J=11.0,6 H); 13C-NMR(100 MHz, CDCl3) δ=177.2,65.3,60.1,54.8,40.1,39.7,36.5,23.5.
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.28 (q, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.71 (t, J=11.0, 6 H), 1.25 (t, 15.0, 3H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 62.5, 60.5, 52.0, 40.1, 38.9, 37.2, 28.5, 12.5。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 0.90 (t, 15.0, 3H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 62.5, 60.5, 52.0, 40.1, 38.9, 36.7, 23.7, 17.7, 11.3。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 1.35 (m, 2 H), 0.90 (t, 15.0, 3 H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 64.5, 60.5, 52.3, 40.1, 39.2, 37.7, 27.2, 23.5, 19.7, 12.3。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 1.35~1.27 (m, 4 H), 0.90 (t, 15.0, 3 H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 64.5, 60.5, 52.3, 40.1, 39.2, 37.7, 30.2, 27.8, 23.5, 12.4。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 1.33~1.27 (m, 6 H), 0.90 (t, 15.0, 3 H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 64.5, 60.5, 52.3, 40.1, 39.2, 37.7, 30.2, 29.3, 27.8, 23.5, 12.4。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 1.36~1.28 (m, 8 H), 0.90 (t, 15.0, 3 H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 64.5, 60.5, 52.3, 40.1, 39.2, 37.7, 30.2, 29.3, 27.8, 26.4, 23.5, 12.4。
（400 MHz, CDCl3）: δ= 4.52 (t, J=13.8, 2 H), 3.52 (t, J=13.8, 2 H), 3.30 (s, 6 H), 3.24 (t, 15.0, 2H), 2.02~1.97 (m, 9 H), 1.77~1.71 (m, 8 H), 1.37~1.26 (m, 10 H), 0.90 (t, 15.0, 3 H); 13C-NMR（100 MHz, CDCl3）δ=177.2, 64.5, 60.5, 52.3, 40.1, 39.2, 37.7, 30.2, 29.3, 28.2, 27.8, 26.4, 23.5, 12.4。The product that proof obtains thus is the quaternary ammonium salt with adamantyl.
above-mentioned detailed description of this kind of preparation method with quaternary ammonium salt of adamantyl being carried out with reference to embodiment; illustrative rather than determinate; can list several embodiment according to institute's limited range; therefore in the variation and the modification that do not break away under general plotting of the present invention, within should belonging to protection scope of the present invention.
Claims (7)
1. the preparation method with quaternary ammonium salt of adamantyl is characterized in that concrete steps are as follows:
By N, N-dimethyladamantane formic acid ethamine ester [following formula (3)] and anhydrous methanol are uniformly mixed rear slow dropping haloalkane, start to be heated to 70-90 ℃ after dropwising, react fully rear filtration in 4-6 hour and obtain solid, with absolute ethanol washing gained solid, the quaternary ammonium salt [following formula (4)] that must there is adamantyl, wherein, N, mole molecular volume ratio of N-dimethyladamantane formic acid ethamine ester [following formula (3)], haloalkane and anhydrous methanol, count by mol/mol/mL: 1:1:(800-1200)
2. preparation method according to claim 1, it is characterized in that: described N, N-dimethyladamantane formic acid ethamine ester [above formula (3)] has following step to prepare: adamantanecarboxylic acid ethamine ester [above formula (2)] and formic acid are stirred to solid and all dissolve post-heating, be heated to 50 ℃ and slowly drip the molecular volume ratio, the formalin that is 10% by mol/mL, dropwise post-heating to 80 ℃ and continue reaction 15-17 hour, be down to room temperature after reacting completely, with alkali hydroxide metallic solution conditioned reaction liquid pH to 12, be extracted with ethyl acetate, reclaim extraction solvent after dry organic phase and obtain N, N-dimethyladamantane formic acid ethamine ester [above formula (3)], wherein, adamantanecarboxylic acid ethamine ester [above formula (2)], mole molecular volume ratio of formic acid and formalin, by mol/mol/mL, count: 1:(2-4): (160-180).
3. preparation method according to claim 2, it is characterized in that: prepared by following step by described adamantanecarboxylic acid ethamine ester [above formula (2)]: by adamantanecarboxylic acid [above formula (1)], dehydrated alcohol amine, aluminium sesquioxide and methylsulfonic acid are uniformly mixed post-heating to 70-90 ℃, react and within 5-7 hour, be down to room temperature after fully and pour saturated sodium carbonate solution into, with Virahol, extract, reclaim extraction solvent after dry organic phase and obtain adamantanecarboxylic acid ethamine ester [above formula (2)], wherein, adamantanecarboxylic acid [above formula (1)], dehydrated alcohol amine, mole mole molecular volume ratio of aluminium sesquioxide and methylsulfonic acid, by mol/mol/mol/mL, count: 1:1:(2-4): (10-20).
4. preparation method according to claim 3, it is characterized in that: described N, mole molecular volume ratio of N-dimethyladamantane formic acid ethamine ester, haloalkane and anhydrous methanol, count by mol/mol/mL: 1:1:1000.
5. preparation method according to claim 4 is characterized in that: mole molecular volume ratio of described adamantanecarboxylic acid ethamine ester, formic acid and formalin, by mol/mol/mL, count: 1:3:170.
6. preparation method according to claim 5, is characterized in that, mole mole molecular volume ratio of described adamantanecarboxylic acid, dehydrated alcohol amine, aluminium sesquioxide and methylsulfonic acid, count by mol/mol/mol/mL: 1:1:3:15.
7. preparation method according to claim 6, it is characterized in that: the haloalkane in step C is the straight chain haloalkane that carbonatoms is 1-10.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879765A (en) * | 2017-12-06 | 2019-06-14 | 贺州学院 | A kind of quaternary ammonium salt ionic liquid and preparation method thereof containing adamantane |
| CN110041264A (en) * | 2019-04-11 | 2019-07-23 | 贺州学院 | A kind of adamantyl glyoxaline ion liquid and preparation method thereof |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879765A (en) * | 2017-12-06 | 2019-06-14 | 贺州学院 | A kind of quaternary ammonium salt ionic liquid and preparation method thereof containing adamantane |
| CN110041264A (en) * | 2019-04-11 | 2019-07-23 | 贺州学院 | A kind of adamantyl glyoxaline ion liquid and preparation method thereof |
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