CN107522626A - A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds - Google Patents

A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds Download PDF

Info

Publication number
CN107522626A
CN107522626A CN201710832996.6A CN201710832996A CN107522626A CN 107522626 A CN107522626 A CN 107522626A CN 201710832996 A CN201710832996 A CN 201710832996A CN 107522626 A CN107522626 A CN 107522626A
Authority
CN
China
Prior art keywords
arnold
haack
vilsmeier
compound
carboxylic acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710832996.6A
Other languages
Chinese (zh)
Inventor
周钢翔
姜祥
范学权
夏华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Geosciences
Original Assignee
China University of Geosciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201710832996.6A priority Critical patent/CN107522626A/en
Publication of CN107522626A publication Critical patent/CN107522626A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/02Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C221/00Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides

Landscapes

  • 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

Synthesis of carboxylic acid class compound is reacted by Willgerodt Kindler the invention discloses a kind of method based on Willgerodt Kindler reactions and Vilsmeier Haack Arnold reaction synthesizing aldehyde compounds, including using acyl compounds as raw material;Prepare Vilsmeier Haack Arnold reagents;Carboxylic acid compound is added salt condensing agent is synthesized in Vilsmeier Haack Arnold reagents;Salt condensing agent is hydrolyzed to obtain aldehyde compound.Synthetic route of the present invention is reasonable, method is reliable and stable, combined coefficient is high, carboxylic acid compound, salt condensing agent and aldehyde compound can be obtained simultaneously, have broad application prospects and huge commercial value, enrich inorganic and organic compound species, and inorganic and organic field synthetic method.

Description

A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds
Technical field
The present invention relates to synthesizing aldehyde compound, more particularly to it is a kind of based on Willgerodt-Kindler (WK) reactions and The method that Vilsmeier-Haack-Arnold (VHA) reacts synthesizing aldehyde compound.
Background technology
Metal Porous-Organic material (MOF) and covalent organic porous material (COF) are twentieth century end and 21st century The new porous material of two classes just risen, gas absorption with separating, chemical co-ordination, heterocatalysis, drug delivery, electronics The multiple fields such as device suffer from good application.In the design building-up process of MOF materials and COF materials, it is indispensable just It is organic ligand.Organic ligand can have a variety of designs and selection, rely on the organic synthesis technology of present mature, almost Any organic ligand that you want can be obtained, to be assembled into different MOF materials and COF materials.There is powerful synthesis Learn to rely on, porous material also just has Protean ability.
Aldehyde compound is rare excellent part and predecessor in MOF and COF fields, available for synthesizing multiclass New metal is organic and adds organic porous material altogether, the development in this two big field can be greatly facilitated, accordingly, with respect to aldehydes The research of compound suffers from for abundant inorganic and organic compound species, and the reference of inorganic and organic field synthetic method Important meaning.
The content of the invention
In view of this, the embodiment provides a kind of synthetic route is reasonable, method is reliable and stable, and combined coefficient is high Based on Willgerodt-Kindler reaction and Vilsmeier-Haack-Arnold reaction synthesizing aldehyde compound method.
Embodiments of the invention provide a kind of based on Willgerodt-Kindler reactions and Vilsmeier-Haack- The method that Arnold reacts synthesizing aldehyde compound, comprises the following steps:
S1. synthesis of carboxylic acid class compound is reacted by Willgerodt-Kindler using acyl compounds as raw material;
S2. Vilsmeier-Haack-Arnold reagents are prepared;
S3. carboxylic acid compound step S1 obtained adds Vilsmeier-Haack-Arnold prepared by step S2 and tried Salt condensing agent is synthesized in agent;
S4. the salt condensing agent that step S3 is obtained is hydrolyzed to obtain aldehyde compound.
Further, in the step S1, the specific method of synthesis of carboxylic acid class compound is:
S1.1. acyl compounds, sulphur and morpholine are reacted into 24h under nitrogen protection, reaction temperature is 140 DEG C;
S1.2. cool down, add 1.4- dioxane, normal-temperature reaction 30min, obtained reaction solution is poured into the burning for filling water In cup, filtration washing;
S1.3. the solid being filtrated to get is added in sodium hydrate aqueous solution and reacts 16h, reaction temperature is 100 DEG C;
S1.4. hydrochloric acid is added to acidity, filtration washing;
S1.5. by the solid dissolving being filtrated to get in sodium hydrate aqueous solution;
S1.6. hydrochloric acid precipitation is added, is filtered;
S1.7. step S1.5-S1.6 is repeated 3-5 times, that is, obtains carboxylic acid compound.
Further, in the step S2, the preparation method of Vilsmeier-Haack-Arnold reagents is:In condition of ice bath Under, appropriate POCl3 is slowly at the uniform velocity instilled in anhydrous dimethyl formamide, drop finishes, and reacts 30min, that is, is made Vilsmeier-Haack-Arnold reagents.
Further, in the step S3, the specific method of synthesis salt condensing agent is:
S3.1. carboxylic acid compound is added in Vilsmeier-Haack-Arnold reagents, and is passed through nitrogen as guarantor Gas is protected, reacts 48h, reaction temperature is 100 DEG C;
S3.2. cool down, add trash ice and decompose unnecessary Vilsmeier-Haack-Arnold reagents;
S3.3. the aqueous solution dissolved with sodium perchlorate is added, is stirred, stands or refrigerates, filtering, that is, obtains salt condensation Agent.
Further, the specific method for aldehyde compound being prepared in the step S4 is:
S4.1. sodium hydroxide is dissolved in appropriate distilled water;
S4.2. salt condensing agent is added, and is passed through nitrogen as protection gas, stirring reaction 12h;
S4.3. cool down, addition hydrochloric acid to pH is 1;
S4.4. q. s. methylene chloride is added, is stirred, is stood, filtering, that is, obtains aldehyde compound.
Further, the acyl compounds are 1,3,5- tri- (4- acetylphenyls) benzene, and the carboxylic acid compound is 1,3,5- tri- (4- acetates phenyl) benzene, the salt condensing agent are triphenylbenzene salt, and the aldehyde compound is 1,3, 5- tri- (4- glyoxals phenyl) benzene.
Further, the acyl compounds are three (4- acetylphenyls) amine, and the carboxylic acid compound is three (4- second Acidic group phenyl) amine, the salt condensing agent is triphenyl amine salt, and the aldehyde compound is three (4- glyoxals phenyl) Amine.
Compared with prior art, the invention has the advantages that:Synthetic route is reasonable, and method is reliable and stable, synthesis Efficiency high, can obtain carboxylic acid compound, salt condensing agent and aldehyde compound simultaneously, and various compounds suffer from good Yield and purity, greatly improve economic benefit, and carboxylic acid compound and aldehyde compound possess abundant functional group and perfect right Title property, is widely used and good Modulatory character in the design of structural framing, it is new to can be widely applied to composite structure The porous material of grain husk, has broad application prospects and huge commercial value, enriches inorganic and organic compound species, with And inorganic and organic field synthetic method.
Brief description of the drawings
Fig. 1 is of the invention a kind of based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold reactions One flow chart of the method for synthesizing aldehyde compound.
Fig. 2 is the particular flow sheet of step S1 in Fig. 1.
Fig. 3 is the particular flow sheet of step S3 in Fig. 1.
Fig. 4 is the particular flow sheet of step S4 in Fig. 1.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is further described.
Refer to Fig. 1, the embodiment provides one kind based on Willgerodt-Kindler reaction and The method that Vilsmeier-Haack-Arnold reacts synthesizing aldehyde compound, comprises the following steps:
S1. synthesis of carboxylic acid class compound is reacted by Willgerodt-Kindler using acyl compounds as raw material;
Fig. 2 is refer to, specific method is:
S1.1. acyl compounds, sulphur and morpholine are reacted into 24h under nitrogen protection, reaction temperature is 140 DEG C;
S1.2. cool down, add 1.4- dioxane, normal-temperature reaction 30min, obtained reaction solution is poured into the burning for filling water In cup, filtration washing;
S1.3. the solid being filtrated to get is added in sodium hydrate aqueous solution and reacts 16h, reaction temperature is 100 DEG C;
S1.4. hydrochloric acid is added to acidity, filtration washing;
S1.5. by the solid dissolving being filtrated to get in sodium hydrate aqueous solution;
S1.6. hydrochloric acid precipitation is added, is filtered;
S1.7. step S1.5-S1.6 is repeated 3-5 times, that is, obtains carboxylic acid compound.
S2. Vilsmeier-Haack-Arnold reagents are prepared;
Under condition of ice bath, appropriate POCl3 is slowly at the uniform velocity instilled in anhydrous dimethyl formamide, drop finishes, reaction 30min, that is, Vilsmeier-Haack-Arnold reagents are made.
S3. carboxylic acid compound step S1 obtained adds Vilsmeier-Haack-Arnold prepared by step S2 and tried Salt condensing agent is synthesized in agent;
Fig. 3 is refer to, specific method is:
S3.1. carboxylic acid compound is added in Vilsmeier-Haack-Arnold reagents, and is passed through nitrogen as guarantor Gas is protected, reacts 48h, reaction temperature is 100 DEG C;
S3.2. cool down, add trash ice and decompose unnecessary Vilsmeier-Haack-Arnold reagents;
S3.3. the aqueous solution dissolved with sodium perchlorate is added, is stirred, stands or refrigerates, filtering, that is, obtains salt condensation Agent.
S4. the salt condensing agent that step S3 is obtained is hydrolyzed to obtain aldehyde compound;
Fig. 4 is refer to, specific method is:
S4.1. sodium hydroxide is dissolved in appropriate distilled water;
S4.2. salt condensing agent is added, and is passed through nitrogen as protection gas, stirring reaction 12h;
S4.3. cool down, addition hydrochloric acid to pH is 1;
S4.4. q. s. methylene chloride is added, is stirred, is stood, filtering, that is, obtains aldehyde compound.
In one embodiment, acyl compounds 1,3,5- tri- (4- acetylphenyls) benzene, the carboxylic acid compound For 1,3,5- tri- (4- acetates phenyl) benzene, the salt condensing agent is triphenylbenzene salt, and the aldehyde compound is 1, 3,5- tri- (4- glyoxals phenyl) benzene.
By 1,3,5- tri- (4- acetates phenyl) benzene, sulphur and morpholine under nitrogen protection, 24h is reacted, reaction temperature is 140 DEG C, cooling, add 1.4- dioxane, normal-temperature reaction 30min;Reaction solution is poured into the beaker for filling a large amount of water, filtered Washing;The solid of filtering is added in sodium hydrate aqueous solution and reacts 16h, reaction temperature is 100 DEG C;Add hydrochloric acid to acidity, mistake Filter washing;Dissolve again in sodium hydroxide solution, add hydrochloric acid precipitation, filtering, be repeated several times, obtain 1,3,5- tri- (4- acetic acid Base phenyl) benzene.
Under condition of ice bath, appropriate POCl3 is slowly at the uniform velocity instilled into anhydrous dimethyl formamide (DMF), drop finishes, instead 30min is answered, Vilsmeier-Haack-Arnold reagents are made.
1,3,5- tri- (4- acetates phenyl) benzene are added into Vilsmeier-Haack-Arnold reagents, leads to nitrogen and protects Shield, reacts 48h, and reaction temperature is 100 DEG C;Cooling, trash ice is added to decompose unnecessary Vilsmeier-Haack-Arnold reagents;Add Entering the aqueous solution dissolved with sodium perchlorate, stir, stand or refrigeration, filtering, it is triphenylbenzene salt to obtain brownish-yellow powder, and three The yield of phenyl benzene salt is 94.3%.
Sodium hydroxide is dissolved in appropriate distilled water, rear to add triphenylbenzene salt, nitrogen protection, stirring reaction 12h is cold But, it is 1 to add hydrochloric acid to pH, adds q. s. methylene chloride, stirs, stand, filtering, it is 1,3,5- tri- (4- second to obtain brown solid Dialdehyde-based phenyl) benzene.
In another embodiment, the acyl compounds are three (4- acetylphenyls) amine, the carboxylic acid compound For three (4- acetates phenyl) amine, the salt condensing agent is triphenyl amine salt, and the aldehyde compound is three (4- second two Aldehyde radical phenyl) amine.
By three (4- acetylphenyls) amine, sulphur and morpholines under nitrogen protection, 24h is reacted, reaction temperature is 140 DEG C, Cooling, add 1.4- dioxane, normal-temperature reaction 30min;Reaction solution is poured into the beaker for filling a large amount of water, filtration washing; The solid of filtering is added in sodium hydrate aqueous solution and reacts 16h, reaction temperature is 100 DEG C;Hydrochloric acid is added to cross diafiltration to acidity Wash;Dissolve again in sodium hydroxide solution, add hydrochloric acid precipitation, filtering, be repeated several times, obtain three (4- acetates phenyl) amine.
Under condition of ice bath, appropriate POCl3 is slowly at the uniform velocity instilled into anhydrous dimethyl formamide (DMF), drop finishes, instead 30min is answered, Vilsmeier-Haack-Arnold reagents are made.
Three (4- acetates phenyl) amine are added into Vilsmeier-Haack-Arnold reagents, lead to nitrogen protection, reaction 48h, reaction temperature are 100 DEG C;Cooling, trash ice is added to decompose unnecessary Vilsmeier-Haack-Arnold reagents;Add dissolved with The aqueous solution of sodium perchlorate, stirring are stood or refrigeration, and filtering, it is triphenyl amine salt to obtain dark brown powder, triphenylamine The yield of salt is 96%.
Sodium hydroxide is dissolved in appropriate distilled water, rear to add triphenyl amine salt, nitrogen protection, stirring reaction 12h is cold But, it is 1 to add hydrochloric acid to pH, adds q. s. methylene chloride, stirs, stand, filtering, it is three (4- glyoxals to obtain brown solid Phenyl) amine.
Synthetic route of the present invention is reasonable, and method is reliable and stable, and combined coefficient is high, can obtain simultaneously carboxylic acid compound, Salt condensing agent and aldehyde compound, various compounds suffer from good yield and purity, greatly improve economic benefit, carboxylic acid Class compound and aldehyde compound possess abundant functional group and perfect symmetry, widely should have in the design of structural framing With with good Modulatory character, can be widely applied to the novel porous material of composite structure, have broad application prospects and Huge commercial value, enrich inorganic and organic compound species, and inorganic and organic field synthetic method.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
Above-mentioned case study on implementation is only to illustrate the application example to be clear, and is not the restriction to embodiment, Herein there is no need to be exhaustive to all implementations.On the basis of the above description, extended out aobvious and Among the change or variation being clear to are still in the protection domain of this patent.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (7)

1. one kind is based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold reaction synthesizing aldehyde chemical combination The method of thing, it is characterised in that comprise the following steps:
S1. synthesis of carboxylic acid class compound is reacted by Willgerodt-Kindler using acyl compounds as raw material;
S2. Vilsmeier-Haack-Arnold reagents are prepared;
S3. carboxylic acid compound step S1 obtained is added in Vilsmeier-Haack-Arnold reagents prepared by step S2 Synthesize salt condensing agent;
S4. the salt condensing agent that step S3 is obtained is hydrolyzed to obtain aldehyde compound.
It is 2. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that in the step S1, the specific method of synthesis of carboxylic acid class compound is:
S1.1. acyl compounds, sulphur and morpholine are reacted into 24h under nitrogen protection, reaction temperature is 140 DEG C;
S1.2. cool down, add 1.4- dioxane, normal-temperature reaction 30min, obtained reaction solution is poured into the beaker for filling water In, filtration washing;
S1.3. the solid being filtrated to get is added in sodium hydrate aqueous solution and reacts 16h, reaction temperature is 100 DEG C;
S1.4. hydrochloric acid is added to acidity, filtration washing;
S1.5. by the solid dissolving being filtrated to get in sodium hydrate aqueous solution;
S1.6. hydrochloric acid precipitation is added, is filtered;
S1.7. step S1.5-S1.6 is repeated 3-5 times, that is, obtains carboxylic acid compound.
It is 3. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that in the step S2, the system of Vilsmeier-Haack-Arnold reagents Preparation Method is:Under condition of ice bath, appropriate POCl3 is slowly at the uniform velocity instilled in anhydrous dimethyl formamide, drop finishes, reaction 30min, that is, Vilsmeier-Haack-Arnold reagents are made.
It is 4. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that in the step S3, the specific method of synthesis salt condensing agent is:
S3.1. carboxylic acid compound is added in Vilsmeier-Haack-Arnold reagents, and is passed through nitrogen and is used as protection gas, 48h is reacted, reaction temperature is 100 DEG C;
S3.2. cool down, add trash ice and decompose unnecessary Vilsmeier-Haack-Arnold reagents;
S3.3. the aqueous solution dissolved with sodium perchlorate is added, is stirred, stands or refrigerates, filtering, that is, obtain salt condensing agent.
It is 5. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that the specific method that aldehyde compound is prepared in the step S4 is:
S4.1. sodium hydroxide is dissolved in appropriate distilled water;
S4.2. salt condensing agent is added, and is passed through nitrogen as protection gas, stirring reaction 12h;
S4.3. cool down, addition hydrochloric acid to pH is 1;
S4.4. q. s. methylene chloride is added, is stirred, is stood, filtering, that is, obtains aldehyde compound.
It is 6. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that the acyl compounds are 1,3,5- tri- (4- acetylphenyls) benzene, The carboxylic acid compound is 1,3,5- tri- (4- acetates phenyl) benzene, and the salt condensing agent is triphenylbenzene salt, institute It is 1,3,5- tri- (4- glyoxals phenyl) benzene to state aldehyde compound.
It is 7. according to claim 1 anti-based on Willgerodt-Kindler reactions and Vilsmeier-Haack-Arnold The method for answering synthesizing aldehyde compound, it is characterised in that the acyl compounds are three (4- acetylphenyls) amine, the carboxylic Acid compounds are three (4- acetates phenyl) amine, and the salt condensing agent is triphenyl amine salt, the aldehyde compound For three (4- glyoxals phenyl) amine.
CN201710832996.6A 2017-09-15 2017-09-15 A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds Pending CN107522626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710832996.6A CN107522626A (en) 2017-09-15 2017-09-15 A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710832996.6A CN107522626A (en) 2017-09-15 2017-09-15 A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds

Publications (1)

Publication Number Publication Date
CN107522626A true CN107522626A (en) 2017-12-29

Family

ID=60735985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710832996.6A Pending CN107522626A (en) 2017-09-15 2017-09-15 A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds

Country Status (1)

Country Link
CN (1) CN107522626A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6184322B1 (en) * 1996-06-21 2001-02-06 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Metal-containing side chain liquid crystal polymers
CN101928207A (en) * 2009-06-23 2010-12-29 兰州大学 New method for synthesizing aldehyde compound by alkylation reaction
CN102816051A (en) * 2011-06-10 2012-12-12 苏州卫生职业技术学院 Process for synthesizing 4-chlorophenyl ethanol
CN104086392A (en) * 2014-07-24 2014-10-08 宜春学院 Catalytic synthesis method for biphenylacetic acid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6184322B1 (en) * 1996-06-21 2001-02-06 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Metal-containing side chain liquid crystal polymers
CN101928207A (en) * 2009-06-23 2010-12-29 兰州大学 New method for synthesizing aldehyde compound by alkylation reaction
CN102816051A (en) * 2011-06-10 2012-12-12 苏州卫生职业技术学院 Process for synthesizing 4-chlorophenyl ethanol
CN104086392A (en) * 2014-07-24 2014-10-08 宜春学院 Catalytic synthesis method for biphenylacetic acid

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
LI SHENGHUI ET AL: "Synthesis and biological evaluation of some novel N-arylpyrazole derivatives as cytotoxic agents", 《RES CHEM INTERMED》 *
VASILE LOZAN ET AL: "Tetranuclear Nickel Complexes Composed of Pairs of Dinuclear LNi2 Fragments Linked by 4,4-Bipyrazolyl, 1,4-Bis(4’-pyrazolyl)benzene, and 4,4-Bipyridazine:Synthesis, Structures, and Magnetic Properties", 《EUR.J.INORG.CHEM.》 *
张舟: "对甲氧基苯乙酸高选择性合成反应研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 *
郑丽玲等: "Willgerodt-Kindler法合成系列芳基乙酸化合物", 《化学试剂》 *
黄银华等: "4-甲硫基苯乙酸的合成研究", 《化学世界》 *

Similar Documents

Publication Publication Date Title
CN103642023B (en) The synthetic method of a kind of unimodal molecular weight polyoxyethylene glycol and derivative thereof
CN107308883B (en) A kind of stable foam formed by abietyl amino acid surfactant
CN102408355A (en) Method for synthesizing dicyclohexylcarbodiimide compound
CN107556243A (en) A kind of method based on WK reactions and VHA reaction synthesizing pyrazole class compounds
CN106986886B (en) A kind of preparation method of the fluoro- 3- Trifluoromethoxyphen-l pinacol borate of 4-
CN107522626A (en) A kind of method based on WK reactions and VHA reaction synthesizing aldehyde compounds
CN107746465B (en) Nd-MOF material constructed by taking 3, 5-pyrazole dicarboxylic acid as ligand and preparation method thereof
JP7454498B2 (en) Method for producing salicylamide acetate
CN107602508A (en) A kind of method based on WK reactions and VHA reaction synthesis salt condensing agents
CN102303854B (en) Purification method of monopotassium phosphate
CN107445867A (en) A kind of synthetic method of KWD-2183 impurity B
CN109232269A (en) A kind of method of one step Bei Benzyl base front three ammonium chloride of semidry process
CN104774158A (en) Novel preparation method for ornithine aspartate
CN101774927A (en) Preparation methods of dibenzyl ethylenediamine and acetate thereof
CN112047896B (en) Method for synthesizing aromatic ring group or aromatic heterocyclic group tetrazole
CA2608087A1 (en) Methods for synthesizing heterocyclic compounds
CN107118088A (en) A kind of preparation method of m-hydroxy acetophenone
CN107602315A (en) A kind of method based on Willgerodt Kindler reaction synthesis of carboxylic acid class compounds
CN101613337A (en) The preparation method of salicyl fluorone
CN107597018B (en) A kind of double-hydrophilic parents oil-based surfactant and preparation method thereof
CN101544650B (en) Iodo-copper phthalocyanine nano-bar material and synthesizing method thereof
CN103936744B (en) Oxime substituted cyclohexyl modification glycosides urea and synthetic method
KR102706812B1 (en) Method for preparing salicylamine acetate
CN103570618A (en) Preparation method of montelukast sodium
CN114591187B (en) Preparation method of 1,3-bis (tris (hydroxymethyl) methylamino) propane

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20171229