Amides-buliding-blocks

Synthetic Route of 53844-02-3, 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. 53844-02-3, name is Benzyl (2-bromoethyl)carbamate, This compound has unique chemical properties. The synthetic route is as follows.

Sodium hydride (60%, 120mg, 3.0mmol) was added to a solution of 2-tert-butoxycarbonylamino-3-fluorobenzoic acid methyl ester from Example 20A (750mg, 2.8mmol) in DMF (8.0ml) while cooling in an ice/water bath. The mixture was allowed to warm to room temperature and stirred for 30min. (2-bromoethyl)carbamic acid benzyl ester (360mg, 2.8mmol) and sodium iodide (420mg, 2.8mmol) were added and the mixture was heated at 65C for 18h. The mixture was cooled and evaporated in vacuo. The residue was partitioned between EtOAc and brine and the organic layer was dried and evaporated in vacuo. The residue was purified by flash chromatography on silica (EtOAc:pet. ether 30:70) to give a colourless gum; yield 340mg, 27%.

The chemical industry reduces the impact on the environment during synthesis Benzyl (2-bromoethyl)carbamate. I believe this compound will play a more active role in future production and life.

Reference:
Patent; FERRING B.V.; WO2006/18443; (2006); A1;,
Amide – Wikipedia,
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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. 459817-82-4, name is tert-Butyl 1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide, This compound has unique chemical properties. The synthetic route is as follows., Safety of tert-Butyl 1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide

Example 10 (2S)-1-{[2-(5-Brom-2,3-dihydro-indol-1-yl)-ethylamino]-acetyl}-pyrrolidine-2-carbonitrile, Hydrochloride Salt This compound was made from 5-brom-2,3-dihydroindole, 2,2-dioxo-[1,2,3]oxathiazolidine-3-carboxylic acid tert-butyl ester according to example 5, steps A] to C]. The hydrochloride salt of the title compound was obtained according to example 2. MS (ISP): 399.3 (MNa+), 377.3 (MH+). 1H-NMR (DMSO-d6): 2.05 (m, 2H), 2.17 (m, 2H); 2.94 (t, 2H), 3.16(m, 2H), 3.38 (m, 5H), 3.60 (m, 1H), 4.00-4.30 (m, 5H), 4.85 (t, 1H), 6.55 (d, 1H), 7.20 (d, 2H), 7.21 (s, 1H), 9.10 (broad s, 2H). (+Rotamer).

According to the analysis of related databases, 459817-82-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Boehringer, Markus; Hunziker, Daniel; Kuehne, Holger; Loeffler, Bernd M.; Sarabu, Ramakanth; Wessel, Hans P.; US2003/130281; (2003); A1;,
Amide – Wikipedia,
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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. 39549-79-6, name is 2-Amino-4-methylbenzamide, A new synthetic method of this compound is introduced below., Quality Control of 2-Amino-4-methylbenzamide

General procedure: Sodium hydrogen sulfite (4 mmol) was added to a solution of anthranilamide 1 (2 mmol) and benzaldehyde 2 (2 mmol) in N,N- dimethylacetamide (5 mL). The mixture was heated under continuous stirring at 150 o C for 2-3 h and poured into ice water. The precipitate was then filtered, washed with water followed byethanol, and dried to yield the 2-arylquinazolinones 3-31.#10;#10;

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Article; Khadka, Daulat Bikram; Tran, Giap Huu; Shin, Somin; Nguyen, Hang Thi Minh; Cao, Hue Thi; Zhao, Chao; Jin, Yifeng; Van, Hue Thi My; Chau, Minh Van; Kwon, Youngjoo; Le, Thanh Nguyen; Cho, Won-Jea; European Journal of Medicinal Chemistry; vol. 103; (2015); p. 69 – 79;,
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Application of 85006-25-3, 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. 85006-25-3, name is tert-Butyl (tert-butoxycarbonyl)oxycarbamate, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: Method D: To a solution of acyl Meldrum?s acid (1.69mmol, 1.8equiv) in dry toluene (4.5mL) at room temperature was added N,O-bis(tert-butoxycarbonyl)hydroxylamine (219mg, 0.938mmol, 1.0equiv), and the reaction mixture was immersed in an oil bath preheated to 90C. The reaction was monitored for the complete consumption of N,O-bis(tert-butoxycarbonyl)hydroxylamine. Leaving the reaction for longer time can lead to loss in yield and competing side reactions. After concentration in vacuo, the residue was purified on silica gel chromatography using 5% ethyl acetate in hexane to yield beta-keto hydroxamic acid (12a, d, f-i, l, p) as colorless oil.

The chemical industry reduces the impact on the environment during synthesis tert-Butyl (tert-butoxycarbonyl)oxycarbamate. I believe this compound will play a more active role in future production and life.

Reference:
Article; Verma, Astha; Wong, Dawn M.; Islam, Rafique; Tong, Fan; Ghavami, Maryam; Mutunga, James M.; Slebodnick, Carla; Li, Jianyong; Viayna, Elisabet; Lam, Polo C.-H.; Totrov, Maxim M.; Bloomquist, Jeffrey R.; Carlier, Paul R.; Bioorganic and Medicinal Chemistry; vol. 23; 6; (2015); p. 1321 – 1340;,
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Related Products of 154748-63-7,Some common heterocyclic compound, 154748-63-7, name is tert-Butyl (3-hydroxycyclobutyl)carbamate, molecular formula is C9H17NO3, 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.

Compound 2 (4g 21.6 mmol) was dissolved in HCI/EA (25 mL). The mixture was stirred at RT for 2 h. The solvent was removed to give the product.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route tert-Butyl (3-hydroxycyclobutyl)carbamate, its application will become more common.

Reference:
Patent; NOVIRA THERAPEUTICS, INC.; HARTMAN, George D.; FLORES, Osvaldo A.; WO2013/96744; (2013); A1;,
Amide – Wikipedia,
Amide – 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. 198989-07-0, name is tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate, A new synthetic method of this compound is introduced below., Recommanded Product: tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate

7-CHLORO-2-FURAN-2-YL- [1, 2, 4] triazolo[1, 5-c] PYRIMIDIN-5-YLAMINE (0. 5 mmol ; see US patent 6, 222, 035 B1) was dissolved in 4 mL of DMSO along 2 mmol of 2, 5-diaza- bicyclo [2. 2. 1] heptane-2-carboxylic acid tert-butyl ester (Aldrich-Sigma, St. Louis, MO) and 0. 6 mmol of CsF. The reaction mixture was stirred at 120C for 18 hours. It was then diluted with EtOAc, washed with water and brine, dried with NA2S04, and concentrated. The resulting residue was dissolved in 4 mL of 25% TFA in CHUCK and allowed to stand at room temperature for 18 hours. It was then concentrated to afford the TFA salt OF 7- (2, 5-diaza-bicyclo [2. 2. 1] hept-2-yl)-2-furan-2-yl- [1, 2, 4] triazolo [1, 5- C] PYRIMIDIN-5-YLAMINE. This material was dissolved in 3 mL of CH2C12 along with 0. 6 mmol of 2, 6-difluorobenzaldehyde and 1 mmol of sodium triacetoxyborohydride. The resulting reaction mixture was concentrated and purified by preparative HPLC to afford the title COMPOUND. 1H NMR (400 Hz, DMSO-d6) 8 7. 80 (d, J= 1. 0 Hz, 1H), 7. 00 (d, J = 3. 6 Hz, 1H), 7. 2-7. 4 (m, 3 H), 6. 60 (dd, J= 3. 6, 1. 0 Hz, 1H), 5. 7 (s, 1 H), 4. 80 (brs, 2H), 2. 4-3. 6 (m, 8H). MS m/z : 424 [M + H] +.

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; BIOGEN IDEC MA INC.; WO2004/92173; (2004); A2;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Some common heterocyclic compound, 71026-66-9, name is tert-Butyl (4-aminophenyl)carbamate, molecular formula is C11H16N2O2, 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. Computed Properties of C11H16N2O2

2,4-dichloro-5-nitro-pyrimidine (95 mg, 0.49 mmol) was placed into a 10 mL round bottom flask, 3 mL of 1,4-dioxane was added, and stirred at room temperature. Tert-butyl (4-aminophenyl) carbamate (100 mg, 0.48 mmol) and N,N-diisopropylethylamine (69 mg, 0.53 mmol) were dissolved in 2 mL of 1,4-dioxane. The resulting solution was added dropwise into the reaction solution as said above. Upon completion of addition, the resulting mixture was stirred at room temperature for 0.5 h, and TLC showed that the raw material was completely conversed. The solvent was removed by rotary evaporation, and the crude product was separated through silica gel column chromatography (petroleum ether/ethyl acetate=10:1, V/V) to obtain tert-butyl (4-(2-chloro-5-nitropyrimidyl-4-amino)-phenyl)carbamate as orange solids (144 mg, yield 82%). 1H NMR (400 MHz, DMSO-d6): delta 10.38 (s, 1H), 9.46 (s, 1H), 9.12 (s, 1H), 7.49 (d, J=8.6 Hz, 2H), 7.39 (d, J=8.6 Hz, 2H), 1.49 (s, 9H).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 71026-66-9, its application will become more common.

Reference:
Patent; Li, Honglin; Xu, Yufang; Zhao, Zhenjiang; Liu, Xiaofeng; Zhou, Wei; Bai, Fang; Xue, Mengzhu; Zhang, Lei; Zhang, Youli; US2015/126508; (2015); A1;,
Amide – Wikipedia,
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Adding a certain compound to certain chemical reactions, such as: 16313-66-9, name is 2-Amino-5-bromobenzamide, belongs to amides-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 16313-66-9, category: amides-buliding-blocks

General procedure: A dry 50 mL flask was charged with 2-aminobenzamide 1 (1.1 mmol), 5,5-dimethyl-1,3-cyclohexanedione 2 (1.0 mmol), iodine (0.026 g, 0.01 mmol) and toluene (10.0 mL). The mixture was stirred at 80 C until the reactant 1 was consumed. Then, another equivalent of 2-aminobenzamide was added to the mixture, and refluxed for a few hours. After the completion of the reaction monitored by TLC, toluene was recovered by distillation under reduced pressure, and the residue was purified by silica column chromatography using ethyl acetate and petroleum ether (1:2) as the eluent to give products 6.

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.

Reference:
Article; Lu, Lian; Zhang, Mei-Mei; Jiang, Hong; Wang, Xiang-Shan; Tetrahedron Letters; vol. 54; 8; (2013); p. 757 – 760;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

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. 960234-99-5, name is 3-Amino-5-methoxybenzamide belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Application In Synthesis of 3-Amino-5-methoxybenzamide

General procedure: 3-aminobenzamide (50 mg, 0.37 mmol) and maleic anhydride (43.2 mg, 0.44 mmol) were dissolved in dry THF (1 ml) and stirred at room temperature for 18 hours. The precipitate was filtered off and dried in vacuo to give 2 (71 mg, 83%).

The synthetic route of 960234-99-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Ekblad, Torun; Lindgren, Anders E.G.; Andersson, C. David; Caraballo, Remi; Thorsell, Ann-Gerd; Karlberg, Tobias; Spjut, Sara; Linusson, Anna; Schueler, Herwig; Elofsson, Mikael; European Journal of Medicinal Chemistry; vol. 95; (2015); p. 546 – 551;,
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Amide – an overview | ScienceDirect Topics

Reference of 1882-71-9,Some common heterocyclic compound, 1882-71-9, name is 2-Amino-5-methoxybenzamide, molecular formula is C8H10N2O2, 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.

General procedure: A mixture of 2-aminobenzamide (1, 4.0 mmol), carboxamide (2, 6.0 mmol), Yb(OTf)3 (0.20 mmol,5.0 molpercent), and mesitylene (5.0 mL) was placed in a 20-mL Pyrex flask equipped with a magnetic stirring bar and a reflux condenser under a flow of argon. The reaction was carried out at 120-165 oC (bath temp.) for 6 h with stirring. Then, the reaction mixture was cooled to room temperature, and analyzed by GLC, GC-MS (EI), and LC-MS (ESI). After evaporation of mesitylene under vacuum,the products (3) were isolated by recrystallization from MeOH/hexane and/or medium pressure column chromatography on silica gel (eluent: EtOAc/hexane = 50/50 ~ EtOAc 100percent. For 3j, eluent:MeOH/CHCl3 = 50/50). 1H NMR spectra were recorded at 400 MHz, and 13C NMR spectra wererecorded at 100 MHz in DMSO-d6. The analytical and spectral data of 3a-e,38 3f,39 3g,40 3h,41 and3j,42 were consistent with those reported previously. The product, 3i, was characterized below.

The synthetic route of 1882-71-9 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Yoshimura, Tsutomu; Yuanjun, Di; Kimura, Yu; Yamada, Hisatsugu; Toshimitsu, Akio; Kondo, Teruyuki; Heterocycles; vol. 90; 2; (2015); p. 857 – 865;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics