Category: 81335-87-7

With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.81335-87-7, name is (2-Amino-4-methylphenyl)methanol, molecular formula is C8H11NO, molecular weight is 137.18, as common compound, the synthetic route is as follows.Safety of (2-Amino-4-methylphenyl)methanol

To a solution of (2-amino-4-methylphenyl)-methanol (3.2 g, 23.4 mmol) in THF (40 mL) is added di-ferf-butyl dicarbonate (6.54 g, 28.0 mmol) and the solution is stirred at 60 0C for 5 h. The solvent is evaporated, and water is added. It is then extracted with EtOAc, washed with water, dried with MgSO4 and concentrated. The residue is purified to give the title compound.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,81335-87-7, (2-Amino-4-methylphenyl)methanol, and friends who are interested can also refer to it.

Reference:
Patent; NOVARTIS AG; NOVARTIS PHARMA GmbH; WO2007/67612; (2007); A1;,
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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. 81335-87-7, name is (2-Amino-4-methylphenyl)methanol. A new synthetic method of this compound is introduced below., Safety of (2-Amino-4-methylphenyl)methanol

General procedure: A solution of 4-toluene sulfonyl chloride (4.58 g, 1.2 equiv) or methanesulfonyl chloride (1.9 mL, 1.2 equiv) and pyridine (2 mL, 1.3 equiv) in 20 mL CH2Cl2 was added slowly to the solution of compound 11 (0.02 mol) in 40 mL CH2Cl2. The mixture was stirred overnight at room temperature. Then 30 mL diluted HCl solution was added to the reaction mixture, the organic layer was separated using separating funnel. Subequently, the aqueous phase was extracted with 15 mL CH2Cl2 three times, the combined organic layers were washed separately with saturated NaHCO3 (30 mL) and saturated NaCl (30 mL) three times. The organic layer was dried over Na2SO4, filtered and evaporated under reduced pressure. The residue was purified by column chromatography using petroleum ether/EtOAc = 1/1 to give the product 12.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 81335-87-7, (2-Amino-4-methylphenyl)methanol.

Reference:
Article; Xu, Changrui; Wu, Zhengxing; Chen, Jianzhong; Xie, Fang; Zhang, Wanbin; Tetrahedron; vol. 73; 14; (2017); p. 1904 – 1910;,
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Related Products of 81335-87-7, 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 81335-87-7 as follows.

Sub-1 (35.0g, 255.1mmol), 3,5-dimethylacetophenone (56.7g, 382.7mmol), tris (triphenylphosphine) ruthenium (II) dichloride (2mol%) And potassium hydroxide (15.7g, 280.7mmol) and toluene (300mL) were added to the reaction flask,Heat and stir to reflux, and separate water by condensing reflux trap. When the reaction is over, drop to room temperature and filter on a pad of silica gel. The product was further purified by column (eluent: n-hexane / ethyl acetate = 2/100), and finally the intermediate Sub-3 (35.3 g, yield 56%) was obtained by crystallization from isopropanol.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,81335-87-7, its application will become more common.

Reference:
Patent; Zhejiang Huaxian Optoelectric Technology Co., Ltd.; Zheng Xianzhe; Zhao Xiaoyu; Hua Wanming; (31 pag.)CN110452271; (2019); A;,
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Alcohols – Chemistry LibreTexts

Synthetic Route of 81335-87-7, 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. 81335-87-7, name is (2-Amino-4-methylphenyl)methanol. A new synthetic method of this compound is introduced below.

Sub-1 (35.0g, 255.1mmol), 3′-methylacetophenone (51.4g, 382.7mmol), tris (triphenylphosphine) ruthenium (II) dichloride (2mol%) and Potassium hydroxide (15.7g, 280.7mmol) and toluene (300mL) were added to the reaction flask, heated and stirred to reflux, and water was separated by a reflux reflux condenser. When the reaction is over, drop to room temperature and filter on a pad of silica gel. The product was further purified by column (eluent: n-hexane / ethyl acetate = 2/100), and finally the intermediate Sub-2 (35.1 g, yield 59%) was obtained by crystallization from isopropanol.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,81335-87-7, its application will become more common.

Reference:
Patent; Zhejiang Huaxian Optoelectric Technology Co., Ltd.; Zheng Xianzhe; Zhao Xiaoyu; Hua Wanming; (31 pag.)CN110452271; (2019); A;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Reference of 81335-87-7, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 81335-87-7, name is (2-Amino-4-methylphenyl)methanol. This compound has unique chemical properties. The synthetic route is as follows.

General procedure: Benzyl alcohol derivative 11 (1 eq.) was dissolved in CH2Cl2 (0.4 M). Manganese (IV) oxide (2.1 eq.)was added under argon and the solution was left to stir at room temperature for 48 h. The progress ofthe reaction was monitored by TLC analysis. After completion, manganese oxide was filtered off andthe resulting filtrate was concentrated under reduced pressure. The crude product was purified by silicacolumn chromatography employing mixtures of n-hexane and ethyl acetate as eluents to obtain thedesired product 10.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 81335-87-7, (2-Amino-4-methylphenyl)methanol.

Reference:
Article; Jarrige, Lucie; Merad, Jeremy; Zaied, Siwar; Blanchard, Florent; Masson, Geraldine; Synlett; vol. 28; 14; (2017); p. 1724 – 1728;,
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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. 81335-87-7, name is (2-Amino-4-methylphenyl)methanol. A new synthetic method of this compound is introduced below., SDS of cas: 81335-87-7

General procedure: A test tube (25 mL) wascharged with 2-aminobenzyl alcohol 1 (0.5 mmol, 1equiv), alkynes 2 (0.75 mmol, 1.5 equiv), AgOTf (0.025 mmol, 5 mol %), HOTf (0.05mmol, 10 mol%), LiBr (0.05 mmol, 10mol%), H2O (0.2 mL), and toluene (3 mL) were added. Themixture was stirred at 40 oC in air for 8 hours, the reaction wascooled down to room temperature, the mixture was quenched by sat. aq. NaHCO3,and diluted with 10 mL dichloromethane and washed with 10 mL H2O.The aqueous layer was extracted twice with dichloromethane (10 mL) and thecombined organic phase was dried over Na2SO4. Afterevaporation of the solvents, the residue was purified by silica gelchromatography (hexane/AcOEt = 30:1).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 81335-87-7, (2-Amino-4-methylphenyl)methanol.

Reference:
Article; Xu, Xuefeng; Zhang, Xu; Liu, Wenming; Zhao, Qiang; Wang, Zhiqiang; Yu, Lintao; Shi, Fu; Tetrahedron Letters; vol. 56; 24; (2015); p. 3790 – 3792;,
Alcohol – Wikipedia,
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With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.81335-87-7, name is (2-Amino-4-methylphenyl)methanol, molecular formula is C8H11NO, molecular weight is 137.18, as common compound, the synthetic route is as follows.SDS of cas: 81335-87-7

General procedure: To a solution of 1a (1.2 g, 7.61 mmol) in CH2Cl2 (20 mL) was added MnO2 (2.6 g, 30.1 mmol) and stirred at rt under an Ar atmosphere. After 23 h with stirring, the reaction mixture was filtrated and evaporated. The residue was crystallized from AcOEt to give 7a (1.0 g, 85%) as a yellow needle crystal.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,81335-87-7, (2-Amino-4-methylphenyl)methanol, and friends who are interested can also refer to it.

Reference:
Article; Ida, Yoshihiro; Matsubara, Ayaka; Nemoto, Toru; Saito, Manabu; Hirayama, Shigeto; Fujii, Hideaki; Nagase, Hiroshi; Bioorganic and Medicinal Chemistry; vol. 20; 19; (2012); p. 5810 – 5831;,
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Alcohols – Chemistry LibreTexts

Synthetic Route of 81335-87-7, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 81335-87-7, name is (2-Amino-4-methylphenyl)methanol, molecular formula is C8H11NO, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

General procedure: To a solution of but-2-ynoic acid (8 mmol, 1 equiv) and 2-aminobenzylalcohol (8 mmol, 1 equiv) in CH2Cl2 (60 mL) at 0 C was added a solution of N,N?-dicyclohexylcarbodiimide (DCC) (8 mmol, 1 equiv) in CH2Cl2 (20 mL) dropwise. The mixture was stirred at room temperature overnight, and then filtrated through a short pad of celite. The filtrate was concentrated and used for the next step without further purication. The crude solid was added to a suspension of pyridinium chlorochromate (PCC) (1.5-2.0equiv) and celite in CH2Cl2 (80 mL). The mixture was stirred at room temperature for 1-4 h, then filtrated and puried by silica gel column chromatography to give the product. The above crude solid was dissolved in THF (50 mL) and was added to a solution of NaH (1.3 equiv.) in THF (20 mL) dropwise at 0 C. The mixture was stirred at 0 C for half an hour, then MeI (1.3 equiv.) was added. The reaction mixture was stirred at room temperature until completion as monitored by TLC and then quenched by addition of saturated aqueous NH4Cl solution. The mixture was extracted with EtOAc, and the organic layer was washed with H2O and brine, dried over anhydrous Na2SO4, filtered, and concentrated under vacuum. The residue was puried by column chromatography on silica gel (eluent: ethyl acetate/petroleum ether = 1/4) to afford products 1b-1g.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 81335-87-7, (2-Amino-4-methylphenyl)methanol.

Reference:
Article; Zhang, Xiaojuan; Han, Xiuling; Chen, Junjie; Lu, Xiyan; Tetrahedron; vol. 73; 12; (2017); p. 1541 – 1550;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts