Category: 2672-58-4

Electric Literature of 2672-58-4, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate belongs to esters-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Preparation 1 1,3,5-Tris(hydroxymethyl)benzene A solution of trimethyl 1,3,5-benzenetricarboxylate (8.83 g, 0.035 M; Aldrich) in THF (125 mL) is added dropwise over a period of 45 minutes to a stirred mixture of lithium aluminum hydride (3.98 g, 0.105 M) and dry THF (150 mL) under a nitrogen atmosphere. The initial phase of the addition results in vigorous reaction and consequently the addition is very slow at first. As the ester solution is added, an orange mass forms when the drops came in contact with the LiAlH4 mixture. A yellowish-green mixture results and is stirred at room temperature. The excess LiAlH4 is quenched carefully by the addition of ethyl acetate and the resulting mixture is acidified with aqueous 2N HCl solution until the pH is <3 and aluminum salts have dissolved. The layers are separated and the aqueous layer is extracted 3 times with additional ethyl acetate and then with methylene chloride. The organic extract layers are dried (sodium sulfate), filtered, and concentrated under reduced pressure to give a white solid (2.98 g, 51%). Recrystallization from acetonitrile-methylene chloride gives the title compound as white crystals (1.13 g) which appear to be hygroscopic when collected by suction filtration. The crystals are dried several days over P2 O5 in a vacuum desiccator after which they have amp of 76.5-78 C. In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Trimethyl benzene-1,3,5-tricarboxylate, other downstream synthetic routes, hurry up and to see. Reference:
Patent; The Upjohn Company; US5500417; (1996); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Synthetic Route of 2672-58-4,Some common heterocyclic compound, 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, molecular formula is C12H12O6, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

To a solution of Trimethyl 1,3,5-Benzenetricarboxylate (1.1 g, 4.36 mmol) in MeOH (100 mL) wasadded 1 M NaOH aq. (3.95 mL, 3.95 mmol). The solution was stirred for 22 h at rt. After removal ofthe solvent by evaporation, the mixture was washed with CH2Cl2. The aqueous layer was acidified with 6 M HCl to pH 2 and then extracted with AcOEt. The organic layer was dried over Na2SO4 andthe solution was concentrated by evaporation to give 17 (849 mg, 79%) as a white solid.

The synthetic route of 2672-58-4 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Zenmyo, Naoki; Tokumaru, Hiroki; Uchinomiya, Shohei; Fuchida, Hirokazu; Tabata, Shigekazu; Hamachi, Itaru; Shigemoto, Ryuichi; Ojida, Akio; Bulletin of the Chemical Society of Japan; vol. 92; 5; (2019); p. 995 – 1000;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, belongs to esters-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 2672-58-4, name: Trimethyl benzene-1,3,5-tricarboxylate

a solution of triphenylphosphine (577 mg, 2.2 mmol) in anhydrous THF (5 mL) was added diethyl azodicarboxylate (2.2 M in toluene, 791 muL, 1.7 mmol) dropwise at 0C. After stirred at 0C for 50 minutes, a solution of 1,3,5-tri(hydroxymethyl)benzene (269 mg, 1.6 mmol, prepared by reduction of trimethyl 1,3,5-benzenetricarboxylate with lithium aluminum hydride in THF, co-evaporated with dry benzene and dried on high vacuum for couple hours before use) and thioacetic acid (108 muL, 1.45 mmol) in dry THF (4 mL) was added dropwise. After 1 hour, the ice/water bath was removed and the reaction was stirred at room temperature for 15 hours. The solvents were removed by rotary evaporation in vacuo. The residue was purified by flash chromatography to give 5-acetylthiomethyl-1,3-bis(hydroxymethyl)-benzene as colorless solid (110 mg). 1H NMR (400 Hz, CDCl3): delta 7.13-6.99 (m, 3H), 4.45 (apt, J = 20.4 Hz, 4H), 3.98 (apt, J = 20.4 Hz, 4H), 3.73 (bs, 2H), 2.24 (apt, J = 20.4 Hz, 3H); MS (ESI): m/z 249.0 (M + Na)+.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, Trimethyl benzene-1,3,5-tricarboxylate, and friends who are interested can also refer to it.

Reference:
Patent; Sanofi-Aventis; EP1813614; (2007); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, A new synthetic method of this compound is introduced below., Formula: C12H12O6

The acid chloride (43) was prepared as follows. Trimethyl-1 ,3,5-benzenetricarboxylate (46) was converted to the mono-acid diester (47) according to literature procedures (Dimick, et al. “On the Meaning of Affinity: Cluster Glycoside Effects and Concanavalin A” J. Am. Chem. Soc. 1999, 121 , 10286- 10296), and compound 47 was refluxed in excess thionyl chloride to give acid chloride 43 (Scheme 5).

The synthetic route of 2672-58-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ARIZONA BOARD OF REGENTS, A BODY CORPORATE OF THE STATE OF ARIZONA, ACTING FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY; WAGNER, Carl E.; JURUTKA, Peter W.; MARSHALL, Pamela A.; VAN DER VAART, Arjan; WO2011/103321; (2011); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Application of 2672-58-4,Some common heterocyclic compound, 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, molecular formula is C12H12O6, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Take 8.00 g of trimesic acid methyl ester 35 oC dissolved in 80 mL of anhydrous tetrahydrofuran,Under nitrogen protection by a constant pressure funnel was slowly added dropwise to 3.00 g of lithium aluminum hydride and 300 mL of anhydrous tetrahydrofuran mixture,The dropwise addition was carried out in ice-salt bath, and the temperature was restored to room temperature after the addition was completed. The mixture was stirred at reflux for 70 oC for 24 h,The reaction was carried out under magnetically stirred ice bath-reflux integrated nitrogen protection. After the reaction, the reaction was quenched with about 100 mL of distilled water, the mixture was suction filtered, the filter cake was washed three times with 100 mL of methanol, and the filtrate was distilled under reduced pressure ,80 oC vacuum drying, 5.12 g are tribenzyl alcohol(96% yield).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route Trimethyl benzene-1,3,5-tricarboxylate, its application will become more common.

Reference:
Patent; Jilin Chemical College; Gao Wenxiu; Wang Jisi; Lou Dawei; Yu Dandan; Zhang Zhihui; Zhang Hao; (9 pag.)CN107501043; (2017); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, This compound has unique chemical properties. The synthetic route is as follows., Product Details of 2672-58-4

Synthesis of 1,3,5-Tris(hydroxymethyl)benzene (50)(Y. Yamaqiwa, Y. Koreishi. S. Kivozumi, M. Kobavashi, T. Kamikawa, M. Tsukino, H. Goi M. Yamamaoto, M. Munakata. Bull. Chem. Soc. Jpn. 1996, 69, 3317-3323; J. Houk, G. Whitesides. J. Am. Chem. Soc. 1987, 109, 6825-6836) A solution of 1,3,5-tris(methoxycarbonyl)benzene (10.09 g, 40 mmol) in dry THF (400 ml) was added over a period of 3h to a suspension of LiAlH4 (4.03 g, 0.1 mol) in dry THF (300 ml) under N2. After stirring over night at room temperature, the reaction mixture was cooled to 0 C., hydrolyzed with water (4 ml), 2M NaOH (4 ml) and water (12 ml), filtered, and the filter cake washed thoroughly with THF. The combined filtrates were concentrated and the crude product was recrystallized from hot (not boiling) ethanol to afford 50(5.59 g, 83%) as white needles; mp 76-77 C. (lit. 77-78 C.) 1H NMR (300 MHz, DMSO-d6) delta4.49 (d, 3H, J4.8 Hz, CH2), 5.30 (t, 1H, J5.4 Hz, OH), 7.14 (s, 1H, aromat. H).

According to the analysis of related databases, 2672-58-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Davis, Benjamin G.; Jones, John Bryan; Bott, Richard R.; US2002/19039; (2002); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Application of 2672-58-4, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 2672-58-4 as follows.

Will be bothTrimethyl trimellitateSoluble in methanol, trimethyl t-trimellitate and methanol to the mass ratio of 1:25,The molar ratio of trimethyl terephthalate to KOH was 1: 2,0 stirring 2h,Natural warming to 25 ,(4 × 10ml), dried over MgSO4, and the chloroform was removed by filtration to give 3,5-dichlorophenol, which was washed with water and concentrated in water. Dibutyric acid-1-benzoate..

According to the analysis of related databases, 2672-58-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; CNOOC Tianjin Chemical Research and Design Institute Co., Ltd.; CNOOC Energy Development Co., Ltd.; Li, Zhiyuan; Wang, Sufang; Xu, Hui; Ding, Qiuwei; Ding, Shu; Lin, Bei; Yu, Xiaowei; Teng, Houkai; (8 pag.)CN106543083; (2017); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate, A new synthetic method of this compound is introduced below., Formula: C12H12O6

EXAMPLE 5 STR20 1,3,5-tris(hydroxymethyl)benzene To a stirring solution of trimethyl 1,3,5-benzenetricarboxylate (10.45 g, 41.4 mmol) in 70 ml of anhydrous THF is added at room temperature a 10M solution of borane-methyl sulfide complex (25 ml, 248 mmol) and the solution is heated to reflux for 3 h. The mixture is then added slowly to 50 ml of MeOH and the resulting mixture is heated at 70 C. for 10 min to remove the methyl sulfide. Evaporation of solvent, washing twice with 50 ml of MeOH and evaporation of MeOH gives 1,3,5-tris(hydroxymethyl)benzene (6.96 g, 100%). 1 H NMR (D2 O): delta 4.52 (6H, s), 7.15 (3H, s).

The synthetic route of 2672-58-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Merck Frosst Canada & Co.; US6121253; (2000); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Related Products of 2672-58-4, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 2672-58-4, name is Trimethyl benzene-1,3,5-tricarboxylate belongs to esters-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Preparation 1 1,3,5-Tris(hydroxymethyl)benzene A solution of trimethyl 1,3,5-benzenetricarboxylate (8.83 g, 0.035 M; Aldrich) in THF (125 mL) is added dropwise over a period of 45 minutes to a stirred mixture of lithium aluminum hydride (3.98 g, 0.105 M) and dry THF (150 mL) under a nitrogen atmosphere. The initial phase of the addition results in vigorous reaction and consequently the addition is very slow at first. As the ester solution is added, an orange mass forms when the drops came in contact with the LiAlH4 mixture. A yellowish-green mixture results and is stirred at room temperature. The excess LiAlH4 is quenched carefully by the addition of ethyl acetate and the resulting mixture is acidified with aqueous 2N HCl solution until the pH is <3 and aluminum salts have dissolved. The layers are separated and the aqueous layer is extracted 3 times with additional ethyl acetate and then with methylene chloride. The organic extract layers are dried (sodium sulfate), filtered, and concentrated under reduced pressure to give a white solid (2.98 g, 51%). Recrystallization from acetonitrile-methylene chloride gives the title compound as white crystals (1.13 g) which appear to be hygroscopic when collected by suction filtration. The crystals are dried several days over P2 O5 in a vacuum desiccator after which they have amp of 76.5-78 C. In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Trimethyl benzene-1,3,5-tricarboxylate, other downstream synthetic routes, hurry up and to see. Reference:
Patent; The Upjohn Company; US5500417; (1996); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics