Application of 3814-30-0

Statistics shows that (Bromomethyl)cyclopentane is playing an increasingly important role. we look forward to future research findings about 3814-30-0.

Application of 3814-30-0, These common heterocyclic compound, 3814-30-0, name is (Bromomethyl)cyclopentane, 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 solution of diethyl malonate (36.91 g, 230.4 mmol), anhydrous methanol (400 mL), and NaOMe (25% in methanol, 49.79 g, 230.4 mmol) is stirred at reflux for one hour under nitrogen. Bromomethyl-cyclopentane (31.31 g, 192.0 mmol) is added to the mixture, and stirred for an additional 3 hours. A solution of NaOH (23.04 g, 576.0 mmol) in water (400 mL) is added, and the mixture is stirred for an additional 1 hour at reflux. The mixture is cooled, diluted with water, and extracted with ether. The ether layer is discarded, and the aqueous layer is acidified with 1N HCI to pH=1. The aqueous layer is extracted with EtOAc. The EtOAc layers are combined, dried over Na2SO4, and concentrated. This gives 2- cyclopentylmethyl-malonic acid (21.0 g, 59% yield) as a white solid.

Statistics shows that (Bromomethyl)cyclopentane is playing an increasingly important role. we look forward to future research findings about 3814-30-0.

Reference:
Patent; NOVARTIS AG; NOVARTIS PHARMA GmbH; VICURON PHARMACEUTICALS, INC; WO2006/127576; (2006); A2;,
Bromide – Wikipedia,
bromide – Wiktionary

Extended knowledge of 3814-30-0

According to the analysis of related databases, 3814-30-0, the application of this compound in the production field has become more and more popular.

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. 3814-30-0, name is (Bromomethyl)cyclopentane, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 3814-30-0

A mixture of Compound 74A (5 g, 30.6 mmol), (bromomethyl)cyclopentane (10 g, 61.3 mmol), and C52CO3 (30 g, 92 mmol) in DMF (100 mL) was stirred at room temperature for 18 hours. The reaction mixture was treated with H20 (50 mL) and ethyl acetate (50 mL), washed with water (500 mL x 3), dried over anhydrous sodium sulfate, filtered, and concentrated. The crude product was purified by silica gel column chromatography to furnish Compound 74B and Compound 74C.Compound 74B: LC-MS (ESI) m/z: 246 [M+H] ?H-NMR (CDC13, 400 IVIHz): (5(ppm) 1.30-1.31 (m, 2H), 1.57-1.60 (m, 2H), 1.58-1.78 (m, 4H), 2.55-2.59 (m, 1H), 4.39 (d, J 7.6 Hz, 2H), 7.75 (d, J 9.6 Hz, 1H), 8.10 (d, J= 9.6 Hz, 1H), 8.21 (s, 1H), 8.73 (s, 1H). Compound 74C: LC-MS (ESI) m/z: 246 [M+H] ?H-NIVIR (CDC13, 400 IVIHz): (5(ppm) 0.80-0.89 (m, 2H), 1.26-1.36 (m, 2H), 1.60-1.78 (m, 4H), 2.63-2.65 (m, 1H), 4.39 (d, J 7.6 Hz, 2H), 7.75 (d, J 9.6 Hz, 1H), 8.10 (d, J= 9.6 Hz, 1H), 8.21 (s, 1H), 8.73 (s, 1H).

According to the analysis of related databases, 3814-30-0, the application of this compound in the production field has become more and more popular.

Reference:
Patent; BIOMARIN PHARMACEUTICAL INC.; WANG, Bing; (377 pag.)WO2018/118838; (2018); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Some tips on (Bromomethyl)cyclopentane

According to the analysis of related databases, 3814-30-0, the application of this compound in the production field has become more and more popular.

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. 3814-30-0, name is (Bromomethyl)cyclopentane, This compound has unique chemical properties. The synthetic route is as follows., Formula: C6H11Br

A solution of diethyl malonate (36.91 g, 230.4 mmol), anhydrous methanol (400 mL), and NaOMe (25% in methanol, 49.79 g, 230.4 mmol) is stirred at reflux for one hour under nitrogen. Bromomethyl-cyclopentane (31.31 g, 192.0 mmol) is added to the mixture, and stirred for an additional 3 hours. A solution of NaOH (23.04 g, 576.0 mmol) in water (400 mL) is added, and the mixture is stirred for an additional 1 hour at reflux. The mixture is cooled, diluted with water, and extracted with ether. The ether layer is discarded, and the aqueous layer is acidified with 1N HCl to pH=1. The aqueous layer is extracted with EtOAc. The EtOAc layers are combined, dried over Na2SO4, and concentrated. This gives 2-cyclopentylmethyl-malonic acid (21.0 g, 59% yield) as a white solid.

According to the analysis of related databases, 3814-30-0, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Lee, Kwangho; Leeds, Jennifer A.; US2009/62537; (2009); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Sources of common compounds: 3814-30-0

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, (Bromomethyl)cyclopentane, other downstream synthetic routes, hurry up and to see.

Synthetic Route of 3814-30-0, The chemical industry reduces the impact on the environment during synthesis 3814-30-0, name is (Bromomethyl)cyclopentane, I believe this compound will play a more active role in future production and life.

EXAMPLE 2 Preparation of 1-cyclopentylmethylimidazole Imidazole (6.8 g, 0.1 mol) was added to a solution of sodium (2.3 g, 0.1 mol) in dry ethanol (100 ml). This solution was stirred and heated to reflux when bromomethylcyclopentane (16.3 g, 0.1 mol) was added dropwise. Following the addition, the mixture was stirred and heated under reflux for 16 h. After cooling, the reaction mixture was filtered and the filtrate concentrated under reduced pressure. The residue was dissolved in 2 M-hydrochloric acid (150 ml) and the solution washed with ether. The aqueous solution was basified with 10 M-sodium hydroxide solution, and the product extracted with chloroform (3*50 ml). The extracts were combined, dried (MgSO4), and the solution concentrated to afford a yellow oil. The oil was purified using a silica gel column and elution with ethyl acetate/methanol (9:1). The product fractions were combined and concentrated under reduced pressure to afford 1-cyclopentylmethylimidazole (1.9 g), which was further purified by distillation, b.p. 68-69/0.125 mmHg.

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, (Bromomethyl)cyclopentane, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Burroughs Wellcome Co.; US4317830; (1982); A;,
Bromide – Wikipedia,
bromide – Wiktionary

Some tips on C6H11Br

The synthetic route of 3814-30-0 has been constantly updated, and we look forward to future research findings.

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. 3814-30-0, name is (Bromomethyl)cyclopentane, A new synthetic method of this compound is introduced below., Computed Properties of C6H11Br

Preparation 78 6-Bromo-1-(cyclopentylmethyl)-2-(1-methyl-1H-pyrazol-4-yl)-1H-pyrrolo[3,2-c]pyridine Sodium hydride (60% in mineral oil, 10.8 mg, 0.271 mmol) was added to a solution of 6-bromo-2-(1-methyl-1H-pyrazol-4-yl)-1H-pyrrolo[3,2-c]pyridine (Preparation 22, 50 mg, 0.180 mmol) in DMF (780 mL). The reaction mixture was then stirred for 15 minutes at room temperature before the addition of (bromomethyl)cyclopentane (44 mg, 0.271 mmol). The reaction mixture was then stirred overnight at room temperature and for 24 hours at 60 C. Sodium hydride (60% in mineral oil, 5 mg, 0.125 mmol) was added and the reaction was stirred for another 7 hours at 60 C. The reaction mixture was then diluted with water and EtOAc. The layers were separated and the aqueous layer was extracted with EtOAc. The combined organic layers were dried (Na2SO4), filtered and concentrated under reduced pressure. The crude was purified via Biotage silica gel column chromatography eluting with (DCM/EtOAc 99/1 to 80/20) to afford the title product as a colourless oil (45 mg, 69%). 1H NMR (500 MHz, CDCl3) d 1.10-1.19 (m, 2H), 1.46-1.64 (m, 6H), 2.24-2.33 (m, 1H), 4.03 (s, 3H), 4.09 (d, J=7.6 Hz, 2H), 6.53 (d, J=0.9 Hz, 1H), 7.45 (t, J=0.9 Hz, 1H), 7.59 (s, 1H), 7.68 (s, 1H), 8.60 (d, J=0.9 Hz, 1H). LC (Method B)-MS (ESI, m/z) tR 3.03 min, 359 [(M+H+), 100%].

The synthetic route of 3814-30-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; CANCER RESEARCH TECHNOLOGY LIMITED; Bavetsias, Vassilios; Atrash, Butrus; Naud, Sebastien Gaston Andre; Sheldrake, Peter William; Blagg, Julian; US2013/345181; (2013); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Discovery of (Bromomethyl)cyclopentane

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 of 3814-30-0, A common heterocyclic compound, 3814-30-0, name is (Bromomethyl)cyclopentane, molecular formula is C6H11Br, 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.

To a solution of ethyl 9′-hydroxy-1 0′-methyl-2′-oxo-2′,7′-dihydrospiro[cyclobutane-1 ,6′-pyrido[2, 1-a]isoquinoline]-3′-carboxylate (90 mg, 0.265 mmol)in DMF (5 ml) was added K2C03 (73.2 mg, 0.530 mmol) and (bromomethyl)cyclopentane(51.8 mg, 0.318 mmol). The mixture was heated at 90 oc for 3 hours. The mixture wascooled to room temperature and partitioned between EtOAc and H20. The organic layerwas separated and the aqueous layer was extracted 2 times with EtOAc. The combinedorganic layers were washed brine, filtered, concentrated, and the residue purified by flashedchromatography (silica gel, 0-20 % MeOH in DCM to afford ethyl 9′-(cyclopentylmethoxy)-1 0′-methyl-2′-oxo-2′, 7′-dihydrospiro[cyclobutane-1 ,6′-pyrido[2, 1-a]isoquinoline]-3’carboxylate(60 mg, 53.7% yield). LCMS (ESI) m/z: 422.4 (M + 1t.

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; GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITED; CATALANO, John G.; DICKSON, Hamilton D.; KAZMIERSKI, Wieslaw Mieczyslaw; LEIVERS, Martin R.; WEATHERHEAD, John Gordon; (389 pag.)WO2018/154466; (2018); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

The important role of C6H11Br

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, (Bromomethyl)cyclopentane, other downstream synthetic routes, hurry up and to see.

Application of 3814-30-0, The chemical industry reduces the impact on the environment during synthesis 3814-30-0, name is (Bromomethyl)cyclopentane, I believe this compound will play a more active role in future production and life.

Under the protection of nitrogen, the future nalidamine derivative (0.1 mmol),Sodium metabisulfite (0.2mmol, 2.0equiv.), Tin powder (0.3mmol, 3.0equiv.),1,1′-bis (diphenylphosphino) ferrocene palladium dichloride (0.01mmol, 10mol%), 1,1′-bis (diphenylphosphine) ferrocene (0.02mmol, 20mol%) , Dipotassium hydrogen phosphate trihydrate (0.2 mmol, 2.0 equiv.), And tetrabutylammonium bromide (0.15 mmol, 1.5 equiv.) Were added to a reaction tube containing magnetons,After evacuation of nitrogen for three times, bromomethylcyclopentane (0.3 mmol, 3.0 equiv.) And DMSO (1.0 mL) were added, and the reaction system was heated to 100 C for 10 hours.After detecting the complete conversion of aryl iodide on the plate, the reaction system was cooled to room temperature, diluted with water, and extracted with ethyl acetate (10 mL * 3), dried over anhydrous sodium sulfate, filtered, concentrated, and purified by column chromatography. The desired product 3bd (77%).

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, (Bromomethyl)cyclopentane, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; East China Normal University; Jiang Xuefeng; Meng Yingying; Wang Ming; (40 pag.)CN110563619; (2019); A;,
Bromide – Wikipedia,
bromide – Wiktionary

The important role of C6H11Br

The synthetic route of 3814-30-0 has been constantly updated, and we look forward to future research findings.

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. 3814-30-0, name is (Bromomethyl)cyclopentane, A new synthetic method of this compound is introduced below., HPLC of Formula: C6H11Br

Step 2: To a suspension of 6-(4-fluorobenzyl)-3-(tetrahydro-2H-pyran-4-yl)- [1 ,2,4]triazolo[4,3-a]pyrazin-8(7H)-one (150 mg, 456.84 micromol) in anhydrous DMF (5 ml_) was added (bromomethyl)cyclopentane (89. mg, 548.21 micromol) and K2CO3 (95 mg, 685.27 micromol). The mixture was heated at 60C for 12 h. LCMS showed 23% TM. The mixture was concentrated and the residue was dissolved in DCM (20 ml_) and H2O (20 ml_). The aqueous layer was extracted with DCM (20 ml_). The combined organics were washed with H2O (20 ml_), dried over Na2SO4, filtered, concentrated and purified by prep-TLC (DCM/MeOH=50/1 ) to give 7- (cyclopentylmethyl)-6-(4-fluorobenzyl)-3-(tetrahydro-2H-pyran-4-yl)- [1 ,2,4]triazolo[4,3-a]pyrazin-8(7H)-one (25.90 mg, 13.67% yield) . 1H NMR (CDCI3 400MHz): 5 7.17-7.13 (m, 2H), 7.1 1 -7.06 (m, 2H), 6.64 (s, 1 H), 4.13-4.10 (m, 2H), 3.94 (s, 2H), 3.90 (d, J=7.2 Hz, 2H), 3.59-3.53 (m, 2H), 3.13-3.12 (m, 1 H), 2.28-2.10 (m, 1 H), 2.19-2.16 (m, 2H), 1 .94-1 .91 (m, 2H), 1 .71 -1 .68 (m, 4H), 1 .54-1 .45 (m, 2H), 1 .33-1 .28 (m, 2H). LC-MS: tR = 2.84 min (METHOD 3), m/z = 41 1 .2 [M + H]+

The synthetic route of 3814-30-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; H. LUNDBECK A/S; KEHLER, Jan; RASMUSSEN, Lars, Kyhn; JESSING, Mikkel; (126 pag.)WO2016/55618; (2016); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Continuously updated synthesis method about C6H11Br

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (Bromomethyl)cyclopentane, its application will become more common.

Related Products of 3814-30-0,Some common heterocyclic compound, 3814-30-0, name is (Bromomethyl)cyclopentane, molecular formula is C6H11Br, 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.

Step 2: To a suspension of 6-(4-methylbenzyl)-3-(tetrahydro-2H-pyran-4-yl)- [1 ,2,4]triazolo[4,3-a]pyrazin-8(7H)-one (150 mg, 462.42 micromol) in anhydrous DMF (5 ml_) was added (bromomethyl)cyclopentane (91 mg, 554.90 micromol) and K2CO3 (96 mg, 693.63 micromol). The mixture was heated at 60C for 12 h. LCMS showed 44% of desired product. The mixture was concentrated and the residue was dissolved in DCM (20 ml_) and H2O (20 ml_). The aqueous layer was extracted with DCM (20 ml_). The combined organics were washed with H2O (20 ml_), dried over Na2SO4, filtered, concentrated and purified by preparative HPLC (base) to give 7- (cyclopentylmethyl)-6-(4-methylbenzyl)-3-(tetrahydro-2H-pyran-4-yl)- [1 ,2,4]triazolo[4,3-a]pyrazin-8(7H)-one (47.00 mg, 24.74% yield) . 1H NMR (CDCI3 varian 400): 5 7.17 (d, J=7.6 Hz, 2H), 7.03 (d, J=8.0 Hz, 2H), 6.65 (s, 1 H), 4.1 1 -4.08 (m, 2H), 3.90-3.86 (m, 4H), 3.56-3.51 (m, 2H), 3.12-3.09 (m, 1 H), 2.34 (s, 3H), 2.35- 2.25 (m, 1 H), 2.16-2.13 (m, 2H), 1 .92-1 .89 (m, 2H), 1 .67-1 .63 (m, 4H), 1 .53-1 .51 (m, 2H), 1 .31 -1 .26 (m, 2H). LC-MS: tR = 2.95 min (METHOD 3), m/z = 407.2 [M + H]+

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (Bromomethyl)cyclopentane, its application will become more common.

Reference:
Patent; H. LUNDBECK A/S; KEHLER, Jan; RASMUSSEN, Lars, Kyhn; JESSING, Mikkel; (126 pag.)WO2016/55618; (2016); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Extended knowledge of 3814-30-0

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (Bromomethyl)cyclopentane, its application will become more common.

Application of 3814-30-0,Some common heterocyclic compound, 3814-30-0, name is (Bromomethyl)cyclopentane, molecular formula is C6H11Br, 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 3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one (400 mg, 1.82 mmol) in anhydrous DMF (5 mL) was added K2CO3 (503 mg, 3.64 mmol) and (bromomethyl)cyclopentane (445 mg, 2.73 mmol). The reaction mixture was stirred at 60C for 16 hours. The mixture was filtered and the filtrate was purified by preparative LC-MS to afford 7-(cyclopentylmethyl)-3-(tetrahydro-2/-/-pyran-4-yl)imidazo[1 ,5- a]pyrazin-8(7H)-one 290 mg (53%). NMR (DMSO-de, 400 Mhz): delta 7.62 (s, 1 H), 7.49 (d, J = 6.0 Hz, 1 H), 6.90 (d, J = 6.0 Hz, 1 H), 3.91 -3.88 (m, 2H), 3.69 (d, J = 7.6Hz, 2H), 3.48-3.43 (m, 2H), 3.42-3.31 (m, 1 H), 2.27- 2.24 (m, 1 H), 1.78-1.73 (m, 4H), 1.58-1.44 (m, 6H) , 1.21 -1.20 (m, 2H). LC-MS: (m/z) 302.2 (MH+) tR (minutes, method 3) = 2.29 minutes .

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route (Bromomethyl)cyclopentane, its application will become more common.

Reference:
Patent; H. LUNDBECK A/S; KEHLER, Jan; RASMUSSEN, Lars, Kyhn; LANGGARD, Morten; JESSING, Mikkel; VITAL, Paulo, Jorge, Vieira; JUHL, Karsten; (157 pag.)WO2018/78038; (2018); A1;,
Bromide – Wikipedia,
bromide – Wiktionary