CN104478708B - One step prepares the method for salicylic acid compounds - Google Patents

One step prepares the method for salicylic acid compounds Download PDF

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Publication number
CN104478708B
CN104478708B CN201510015887.6A CN201510015887A CN104478708B CN 104478708 B CN104478708 B CN 104478708B CN 201510015887 A CN201510015887 A CN 201510015887A CN 104478708 B CN104478708 B CN 104478708B
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China
Prior art keywords
structural formula
salicylic acid
acid compounds
catalyzer
oxygenant
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Expired - Fee Related
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CN201510015887.6A
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Chinese (zh)
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CN104478708A (en
Inventor
吴明珠
李应
周永福
文家新
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Chongqing Mulan Environmental Protection Engineering Co ltd
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Chongqing Industry Polytechnic College
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/285Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with peroxy-compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/305Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with sulfur or sulfur-containing compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The present invention discloses a kind of method that a step prepares salicylic acid compounds, is that catalyzer ML and the structural formula of I is that the methylbenzenes of V drops into solvent, then adds structural formula oxygenant, be obtained by reacting finished product; The structural formula I of described catalyzer ML is wherein M is Fe, Cu, Ni, Mn or Co; Described structural formula V is

Description

One step prepares the method for salicylic acid compounds
Technical field
The present invention relates to a kind of preparation method of salicylic acid compounds.
Background technology
Whitfield's ointment is a kind of fat-soluble organic acid, has a wide range of applications in fields such as rubber, makeup and biological medicines.Current salicylic preparation method's many employings phenol and liquid caustic soda make sodium phenylate salts solution, vacuum-drying, at 100 DEG C, then slowly pass into dry carbonic acid gas, when pressure reaches 0.7 ~ 0.8MPa, stop logical carbonic acid gas, are warming up to 140 ~ 180 DEG C; Add clear water after completion of the reaction, carry out decolouring, filtering after salicylic acid sodium salt is dissolved, then add sulfuric acid acidation, namely separate out Whitfield's ointment, after filtration, wash, be drying to obtain finished product.It is more that existing method prepares desired raw material kind, and step is comparatively loaded down with trivial details.
Summary of the invention
For solving above technical problem, a kind of methylbenzenes that adopts is the object of the present invention is to provide to be the method that raw material one step obtains salicylic acid compounds.
The object of the present invention is achieved like this:
One step prepares a method for salicylic acid compounds, and its key is: by structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, be obtained by reacting finished product;
The structural formula I of described catalyzer ML is wherein M is Fe, Cu, Ni, Mn or Co;
Described structural formula V is wherein R is positioned at position or contraposition between methyl.
In order to better realize the object of the invention:
Structure above is that in V, R is any one in H, halogen, alkyl, substituted alkyl, aryl or substituted aryl.
In structure above I, Ra is H, alkyl, halogen, nitro or amino.
Above-mentioned solvent be for the one in water, ethanol, acetone and chloroform, two kinds, three kinds or four kinds.
After adding above-mentioned oxygenant, controlling temperature of reaction is 20 ~ 100 DEG C, and the reaction times is 4-48h, obtains finished product finally by filtration, separation.
Above-mentioned oxygenant is oxygen, hydrogen peroxide, Peracetic Acid or Potassium Persulphate.
A step of the present invention prepares the method for salicylic acid compounds, is undertaken by following reaction formula:
Beneficial effect: adopt a step of the present invention to prepare the method for salicylic acid compounds, desired raw material is less, preparation method is simple, and only needing to carry out single step reaction can obtain salicylic acid compounds by methylbenzenes, and required temperature of reaction is also lower.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
An a kind of step prepares the method for salicylic acid compounds:
By structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, controlling temperature of reaction is 20 DEG C, and the reaction times is 4h, finally by filtration, is separated and obtains finished product;
The structural formula I of described catalyzer ML is wherein M is Fe; Ra is H.
Described structural formula V is wherein R is positioned at position or contraposition between methyl, and R is H.
Described solvent is any one in water, ethanol, acetone and chloroform.
Described oxygenant is oxygen.
The structural formula of the finished product that the present embodiment obtains is
Embodiment 2:
An a kind of step prepares the method for salicylic acid compounds:
By structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, controlling temperature of reaction is 100 DEG C, and the reaction times is 48h, finally by filtration, is separated and obtains finished product;
The structural formula I of described catalyzer ML is wherein M is Cu; Ra is alkyl.
Described structural formula V is wherein R is positioned at position or contraposition between methyl, and R is any halogens.
Described solvent is the mixture for any two kinds in water, ethanol, acetone and chloroform.
Described oxygenant is hydrogen peroxide.
The structural formula of the finished product that the present embodiment obtains is
Embodiment 3:
An a kind of step prepares the method for salicylic acid compounds:
By structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, controlling temperature of reaction is 80 DEG C, and the reaction times is 24h, finally by filtration, is separated and obtains finished product;
The structural formula I of described catalyzer ML is wherein M is Ni; Ra is halogen.
Described structural formula V is wherein R is positioned at position or contraposition between methyl, and R is any alkyl or substituted alkyl.
Described solvent is the mixture for any three kinds in water, ethanol, acetone and chloroform.
Described oxygenant is Peracetic Acid.
The structural formula of the finished product that the present embodiment obtains is
Embodiment 4:
An a kind of step prepares the method for salicylic acid compounds:
By structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, controlling temperature of reaction is 60 DEG C, and the reaction times is 12h, finally by filtration, is separated and obtains finished product;
The structural formula I of described catalyzer ML is wherein M is Mn; Ra is nitro.
Described structural formula V is wherein R is positioned at position or contraposition between methyl, and R is any aryl.
Described solvent is the mixture for any three kinds in water, ethanol, acetone and chloroform.
Described oxygenant is Peracetic Acid.
The structural formula of the finished product that the present embodiment obtains is
Embodiment 5:
An a kind of step prepares the method for salicylic acid compounds:
By structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, controlling temperature of reaction is 40 DEG C, and the reaction times is 36h, finally by filtration, is separated and obtains finished product;
The structural formula I of described catalyzer ML is wherein M is Co; Ra is amino.
Described structural formula V is wherein R is positioned at position or contraposition between methyl, and R is any substituted aryl.
Described solvent is the mixture for water, ethanol, acetone and chloroform.
Described oxygenant is Potassium Persulphate.
The structural formula of the finished product that the present embodiment obtains is
Finally it should be noted that; foregoing description is only the preferred embodiments of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within protection scope of the present invention.

Claims (3)

1. a step prepares a method for salicylic acid compounds, it is characterized in that: by structural formula be I catalyzer ML and structural formula be that the methylbenzenes of V drops into solvent, then add oxygenant, be obtained by reacting finished product;
The structural formula I of described catalyzer ML is wherein M is Fe, Cu, Ni, Mn or Co;
Described structural formula V is wherein R is positioned at position or contraposition between methyl;
In described structural formula V, R is H or halogen;
In described structural formula I, Ra is H, halogen, nitro or amino;
Described oxygenant is oxygen, hydrogen peroxide, Peracetic Acid or Potassium Persulphate.
2. a step according to claim 1 prepares the method for salicylic acid compounds, it is characterized in that: described solvent be for the one in water, ethanol, acetone and chloroform, two kinds, three kinds or four kinds.
3. a step according to claim 1 prepares the method for salicylic acid compounds, it is characterized in that: after adding described oxygenant, and controlling temperature of reaction is 20 ~ 100 DEG C, and the reaction times is 4-48h, obtains finished product finally by filtration, separation.
CN201510015887.6A 2015-01-13 2015-01-13 One step prepares the method for salicylic acid compounds Expired - Fee Related CN104478708B (en)

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CN104478708B true CN104478708B (en) 2016-01-13

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613270A (en) * 2009-07-30 2009-12-30 浙江大学 A kind of salicylic preparation method
CN102627530A (en) * 2012-03-19 2012-08-08 天津大学 Method for preparing phenol and dihydroxybenzene by catalytic hydroxylation of benzene
CN103193631A (en) * 2013-03-15 2013-07-10 北京工业大学 Method for preparing ortho-hydroxybenzoic acid by catalyzing and oxidizing ortho-cresol with metalloporphyrin and metal salt compound as catalyst

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613270A (en) * 2009-07-30 2009-12-30 浙江大学 A kind of salicylic preparation method
CN102627530A (en) * 2012-03-19 2012-08-08 天津大学 Method for preparing phenol and dihydroxybenzene by catalytic hydroxylation of benzene
CN103193631A (en) * 2013-03-15 2013-07-10 北京工业大学 Method for preparing ortho-hydroxybenzoic acid by catalyzing and oxidizing ortho-cresol with metalloporphyrin and metal salt compound as catalyst

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Iron-Promoted ortho- and/or ipso-Hydroxylation of Benzoic Acids with H2O2;Olga V. Makhlynets et al.;《Chem. Eur. J.》;20091028;第15卷;13171-13180 *
苯羟基化合成苯酚的研究进展;闫肃 等;《化学世界》;20141231(第5期);301-306,320 *

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