Category: 124-68-5

Reference of 124-68-5, 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.124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, molecular weight is 89.1362, as common compound, the synthetic route is as follows.

D16(c) tert-butyl (l-hydroxy-2-methylpropan-2-yl)carbamate Di-tert-butyl dicarbonate (118 g, 539 mmol) was added slowly to a solution of 2-amino-2- methylpropan-lol (40 g, 449 mmol), sodium bicarbonate (0.82 g, 9.76 mmol) and sodium carbonate (0.82 g, 7.74 mmol) in l,4-dioxane(120 mL)/water (40 mL) at 0 C with stirring. Then, the reaction mixture was stirred at 25 C for 6 h, concentrated, and then EtOAc (1000 mL) was added. The organic phase was washed with water and saturated brine, dried over sodium sulphate, and concentrated in vacuo to afford the title compound (94 g, 111%>) as a white solid.

Statistics shows that 124-68-5 is playing an increasingly important role. we look forward to future research findings about 2-Amino-2-methyl-1-propanol.

Reference:
Patent; GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITED; SANG, Yingxia; WAN, Zehong; ZHANG, Qing; WO2014/114694; (2014); A1;,
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Reference of 124-68-5, Adding some certain compound to certain chemical reactions, such as: 124-68-5, name is 2-Amino-2-methyl-1-propanol,molecular formula is C4H11NO, 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 124-68-5.

To a stirred solution of 2-amino-2-methylpropan-1-ol (3.0 g, 33.65 mmol) in DCM (200 ml) was added aqueous NaHCO3 (8.4 g, 100.95 mmol in 100 ml water) at 0C and 50% wt20 CbzClintoluene (11.4 g, 33.65 mmol) was added drop wise over 15mm After the addition,the reaction mixture was warmed to RT and stirred for 16 h. The reaction mixture was diluted with DCM and organic layer was dried over Na2504, concentrated under reduced pressure. The product was purified by flash column using 20% ethyl acetate in pet ether as eluent to afford 4.2 g of colorless oil. LC-MS (ES+) [M+1]: 224.2

According to the analysis of related databases, 124-68-5, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ORION CORPORATION; WANG, Shouming; KUMPULAINEN, Esa; PYSTYNEN, Jarmo; POHJAKALLIO, Antti; HAIKARAINEN, Anssi; (92 pag.)WO2016/193551; (2016); A1;,
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Related Products of 124-68-5 ,Some common heterocyclic compound, 124-68-5, molecular formula is C4H11NO, its 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.

A (2-Hydroxy-1,1-dimethyl-ethyl)-carbamic acid tert-butyl ester 2-Amino-2-methyl-propan-1-ol (53 g, 0.59 mol) and di-tert-butyl dicarbonate (65.0 g, 0.297 mol) were combined in H2O (500 mL) and stirred at 25 C. for 1 h. The reaction mixture was extracted with CHCl3 (2*250 mL) The organics were dried and concentrated to a white amorphous solid which was recrystallized from hot hexanes to afford desired material (30 g, 53%) as a white solid: 13C NMR (CD3OD, 100 MHz) delta 157.76, 80.135, 70.095, 54.992, 29.247, 24.695.

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. 124-68-5, 2-Amino-2-methyl-1-propanol, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Lombardo, Louis J.; Bhide, Rajeev S.; Kim, Kyoung S.; Lu, Songfeng; US2003/232832; (2003); A1;,
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Reference of 124-68-5, 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. 124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, 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.

2-Amino-2-methyl-1-propanol (9.5 mL, 0.1 mol) and triethylamine (14 mL, 0.1 mol) were dissolved in 200 mL chloroform. The solution was cooled to 0 C using an ice bath, and added a solution of acryloyl chloride (8.0 mL, 0.1 mol) in 50 mL chloroform. The reaction mixture was then stirred for 4 h while keeping the temperature at 0 C. Triethylamine hydrochloride was precipitated from the solution, and removed by filtration. The filtrate was concentrated and purified by column chromatography using ethyl acetate/hexane (7/3, v/v) as the eluent. The HTBAM monomer was obtained as a white powder and the yield was 66.0%. 1H NMR (CDCl3, delta, ppm): 1.34 (s, 6H, C(CH3)2CH2OH), 3.62 (d, 2H, C(CH3)2CH2OH), 5.67, 6.10 (dd, dd, 2H, CH2=CH), 6.27 (dd, 1H, CH2=CH). 13C NMR (CDCl3, delta, ppm): 24.11 (C(CH3)2CH2OH), 55.84 (C(CH3)2CH2OH), 70.19 (C(CH3)2CH2OH), 126.48 (CH2=CH), 130.65 (CH2=CH), 165.93 (C=O). HR-MS (ESI): calcd for C7H13NO2 [M+H]+: 144.10191, found: 144.10186.

According to the analysis of related databases, 124-68-5, the application of this compound in the production field has become more and more popular.

Reference:
Article; Cui, Qianling; Wang, Yajie; Wu, Feipeng; Wang, Erjian; Polymer; vol. 54; 17; (2013); p. 4521 – 4527;,
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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.124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, molecular weight is 89.1362, as common compound, the synthetic route is as follows.HPLC of Formula: C4H11NO

Example 24d 2-amino-6-(2-amino-2-methylpropoxy)benzonitrile To a solution of 2-amino-2-methylpropan-1-ol (14.4 g, 161 mmol) in anhydrous THF (150 mL) was added NaH (6.8 g, 161 mmol, 60% in mineral oil) in small portions at 0 C. under nitrogen. The mixture was stirred at 0 C. for 30 minutes and then stirred at room temperature for another 30 minutes. The solution was cooled down to 0 C. again, and to this solution was added dropwise a solution of 2-amino-6-fluorobenzonitrile (20.0 g, 147 mmol) in anhydrous THF (50 mL). The reaction mixture was then refluxed overnight under nitrogen. The reaction mixture was cooled down to room temperature and carefully quenched with aqueous NH4Cl solution and extracted with ethyl acetate (3*). The combined organic layers were washed with brine, dried over MgSO4, filtered and concentrated. The crude mixture was purified by chromatography on silica gel eluting with 10% MeOH in DCM to give the title compound as yellow solid (23.4 g 71%). 1H NMR (400 MHz, DMSO-d6) delta 1.08 (s, 6H), 3.15 (s, 2H), 3.64 (s, 2H), 5.98 (s, 2H), 6.13 (d, J=8.0 Hz, 1H), 6.31 (d, J=8.4 Hz, 1H), 7.15 (t, J=8.4 Hz, 1H). MS 236 (MH+).

At the same time, in my other blogs, there are other synthetic methods of this type of compound,124-68-5, 2-Amino-2-methyl-1-propanol, and friends who are interested can also refer to it.

Reference:
Patent; SENOMYX, INC.; US2012/41078; (2012); A1;,
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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.124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, molecular weight is 89.1362, as common compound, the synthetic route is as follows.HPLC of Formula: C4H11NO

General procedure: Amine (1 mmol) was added to the mixture of (Boc)2O (1 mmol) and DSIMHS (6.5 mg, ~ 0.02 mmol) with constant stirring at room temperature under solvent-free conditions. After completion of the reaction (monitored by TLC), ethyl acetate (3 × 5 mL) was added to the reaction mixture and the catalyst was decanted and washed with ethyl acetate (2 × 5 mL) and dried. The product was purified by column chromatography, using ethyl acetate-petroleum ether (2:8) eluent.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,124-68-5, 2-Amino-2-methyl-1-propanol, and friends who are interested can also refer to it.

Reference:
Article; Shirini, Farhad; Khaligh, Nader Ghaffari; Journal of Molecular Liquids; vol. 177; (2013); p. 386 – 393;,
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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. 124-68-5, name is 2-Amino-2-methyl-1-propanol. This compound has unique chemical properties. The synthetic route is as follows. Safety of 2-Amino-2-methyl-1-propanol

N-2-Hydroxy-1,1-dimethylethyl carbamic acid tert-butyl ester 2-Amino-2-methylpropan-1-ol (10.0 g, 112 mmol) was dissolved in tetrahydrofuran (100 ml).. A 1N solution of sodium hydroxide in water (112 ml, 112 mmol) was added.. A solution of di-tert-butyl dicarbonate (29.3 g, 134 mmol) in tetrahydrofuran (100 ml) was added over a period of 15 min.. The solution was stirred at 20 C. for 16 h.. water (100 ml) was added.. The phases were separated.. The aqueous phase was extracted with ethyl acetate (3*150 ml) and the combined organic phases were dried (magnesium sulfate).. The solvent was removed in vacuo and the crude product was chromatographed on silica gel (180 g) with ethyl acetate/heptane 1:1 as eluent to give 19.6 g of N-2-hydroxy-1,1-dimethylethyl carbamic acid tert-butyl ester. mp 53 C. 1H-NMR (CDCl3): delta1.22 (s, 6 H); 1.45 (s, 9 H); 3.58 (d, 2 H),; 4.05 (br, 1 H); 4.65 (br, 1 H).

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, 124-68-5, 2-Amino-2-methyl-1-propanol.

Reference:
Patent; Novo Nordisk A/S; US6350767; (2002); B1;,
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Reference of 124-68-5 ,Some common heterocyclic compound, 124-68-5, molecular formula is C4H11NO, its 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.

STR93 a) Synthesis of N-(tert-butoxycarbonyl)-2-amino-2-methyl-1-propanol To solution of 2-amino-2-methyl-1-propanol (87 mmol, 8.3 ml) in 200 ml of CH2 Cl2 is added di-tert-butyl dicarbonate (96 mmol, 21.52 g) in 50 ml of CH2 Cl2. After 14 hours under argon, the solvent is evaporated under vacuum and 16.08 g (98% yield of pure compound is obtained. 1 H NMR (200 MHz, CDCl3): delta 4.70 (1 H, bs), 4.09 (1 H, bs), 3.57 (1H, d, J=6.0), 1.42 (9 H, s), 1.24 (6 H, s).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,124-68-5, its application will become more common.

Reference:
Patent; Ciba Specialty Chemicals Corporation; US6140326; (2000); A;,
Alcohol – Wikipedia,
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Application of 124-68-5, 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. 124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, 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: Fe(OTf)3 (1 mol%) was added to a magnetically stirred mixture of anamine (1 mmol) and Boc2O (1 mmol) at room temperature. The mixturewas stirred until completion of the reaction (TLC), then diluted withEtOAc and washed with water. The organic layer was dried overanhydrous MgSO4, then the solvent was distillated off under vacuum toyield the highly pure N-Boc derivatives

According to the analysis of related databases, 124-68-5, the application of this compound in the production field has become more and more popular.

Reference:
Article; Feng, Chengliang; Chu, Ningning; Zhang, Shuguang; Cai, Jin; Chen, Junqing; Hu, Huayou; Ji, Min; Journal of Chemical Research; vol. 37; 12; (2013); p. 757 – 760;,
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Application of 124-68-5, 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. 124-68-5, name is 2-Amino-2-methyl-1-propanol, molecular formula is C4H11NO, 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.

Intermediate 12: tert-butyl (l-hydroxy-2-meth lpropan-2-yl)carbamate – Preparation 2 To a solution of 2-amino-2-methylpropan-l-ol (500 g, 5.61 mol, Alfa) in THF (3.0 L) and water (1.0 L) was added Na2C03 (10.11 g, 95 mmol) and sodium bicarbonate (10.37 g, 123 mmol) and stirring continued at 0 QC. di-ferf-Butyl dicarbonate (1.56 L, 6.7 mol) was added. The reaction mixture was stirred at RT for 18 h. The THF layer was separated and the aqueous layer extracted with ethyl acetate (1.5 L). The combined organic layers were washed with brine solution (2 x 2 L), were dried over anhydrous Na2S04 and then concentrated under reduced pressure to afford crude title compound. The crude material was dissolved in petroleum ether (750 mL) and cooled to -50 C. The resulting solid was filtered and washed with petroleum ether to give the title compound (750 g) as a white solid. (0250) *H NMR (400 MHz, DMSO-d6) delta: 6.08 (1H, s), 4.67 (1H, t), 3.29 (2H, s), 1.37 (9H, s), 1.13 (6H, s).

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 124-68-5, 2-Amino-2-methyl-1-propanol.

Reference:
Patent; GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITED; PATEL, Vipulkumar Kantibhai; LIVIA, Stefano; (126 pag.)WO2016/12916; (2016); A1;,
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