Tag: M.W:100-200

184950-35-4, (Tetrahydrofuran-3-yl)methanamine hydrochloride is a Tetrahydrofurans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Production Example 142 (0462) 5-(2-Phenoxyethoxymethyl)isoxazole-3-carboxylic acid (1.40 g, 5.3 mmol), tetrahydrofuran-3-ylmethylamine hydrochloride (0.88 g, 6.4 mmol), triethylamine (0.65 g, 6.4 mmol) and 1-hydroxybenzotriazole (0.08 g, 0.64 mmol) were added to chloroform (amylene addition product) (20 mL). 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (1.23 g, 6.4 mmol) was added to the mixture at room temperature, and the mixture was stirred overnight and then concentrated under reduced pressure. Dilute hydrochloric acid was added to the concentrate, and the mixture was extracted twice with ethyl acetate. The organic layer was washed with saturated saline water, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was applied to a silica gel column chromatography to obtain 1.60 g of N-(tetrahydrofuran-3-ylmethyl)-5-(2-phenoxyethoxymethyl)iso xazole-3-carboxamide (hereinafter, referred to as Compound of Present Invention (149)) represented by the following formula. 1H-NMR(CDCl3, TMS, delta(ppm)):1.66-1.69(1H, m), 2.05-2.13(1H, m), 2.56-2.60(1H, m), 3.47(2H, t), 3.56-3.61(1H, m), 3.74-3.80(1H, m), 3.84-3.88(1H, m), 3.91-3.93(3H, m), 4.15-4.17(2H, m), 4.77(2H, s), 6.76(1H, s), 6.90-7.00(4H, m), 7.27-7.32(2H, m), 184950-35-4

The synthetic route of 184950-35-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Sumitomo Chemical Company, Limited; MITSUDERA, Hiromasa; AWASAGUCHI, Kenichiro; AWANO, Tomotsugu; UJIHARA, Kazuya; EP2952096; (2015); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.184950-35-4,(Tetrahydrofuran-3-yl)methanamine hydrochloride,as a common compound, the synthetic route is as follows.

5-Butyl-1,2,4-oxadiazole-3-carboxylic acid (1.36 g, 8 mmol), Tetrahydrofuran-3-ylmethylamine hydrochloride (1.65 g, 12 mmol), Triethylamine (1.21 g, 12 mmol) And 1-hydroxybenzotriazole (0.11 g, 0.8 mmol) Was added to chloroform (amylene added product) (16 mL). To the mixture, 1-Ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride (1.83 g, 12 mmol) was added at room temperature, After stirring overnight, Add water, It was extracted three times with chloroform. The organic layer was washed with saturated brine, After drying with anhydrous sodium sulfate, And concentrated under reduced pressure. The residue was subjected to silica gel column chromatography, Represented by the following equation N- (tetrahydrofuran-3-ylmethyl) -5-butyl-1,2,4-oxadiazole-3-carboxamide (Hereinafter referred to as the amide compound (57)) 0.76 g was obtained.

184950-35-4, 184950-35-4 (Tetrahydrofuran-3-yl)methanamine hydrochloride 17750392, aTetrahydrofurans compound, is more and more widely used in various fields.

Reference£º
Patent; SUMITOMO CHEMICAL COMPANY LIMITED; SUMITA, YUSUKE; (264 pag.)JP2015/51963; (2015); A;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.63095-51-2,(R)-4-Propyldihydrofuran-2(3H)-one,as a common compound, the synthetic route is as follows.

63095-51-2, To a 250 ml three-necked flask with mechanical stirring function was added compound I (12.8 g, 99.9 mmol), L-2-aminobutyramide (20.4 g, 20.0 mmol), and ethanol (50 ml). Stir at reflux for 24h. The reaction solution was concentrated, purification by column chromatography gave the compound.

As the paragraph descriping shows that 63095-51-2 is playing an increasingly important role.

Reference£º
Patent; Fujian Haixi New Drug Initiative Co., Ltd.; Kang Xinshan; Wang Ruyong; Ye Yizhang; Gong Xuan; Zhang Fengsen; Wang Zhonghong; Li Dandan; Fu Yueli; Feng Yan; (35 pag.)CN110357790; (2019); A;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.17347-61-4,2,2-Dimethylsuccinicanhydride,as a common compound, the synthetic route is as follows.

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%).

17347-61-4, The synthetic route of 17347-61-4 has been constantly updated, and we look forward to future research findings.

Reference£º
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;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.184950-35-4,(Tetrahydrofuran-3-yl)methanamine hydrochloride,as a common compound, the synthetic route is as follows.

Production Example 253 (0574) 5-(3,5-Dibromobenzyloxymethyl)isoxazole-3-carboxylic acid (3.25 g, 8.3 mmol), tetrahydrofuran-3-ylmethylamine hydrochloride (1.37 g, 10.0 mmol), triethylamine (1.74 mL, 12.5 mmol) and 1-hydroxybenzotriazole (0.11 g, 0.8 mmol) were added to chloroform (amylene addition product) (20 mL). 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (1.91 g, 10.0 mmol) was added to the mixture at room temperature, and the mixture was stirred overnight and then concentrated under reduced pressure. Dilute hydrochloric acid was added to the residue, and the mixture was extracted three times with ethyl acetate. The organic layer was washed with a saturated aqueous sodium bicarbonate solution and saturated saline water and dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was applied to a silica gel column chromatography to obtain 0.46 g of N-(tetrahydrofuran-3-ylmethyl)-5-(3,5-dibromobenzyloxymethy l)isoxazole-3-carboxamide (hereinafter, referred to as Compound of Present Invention (262)) represented by the following formula. 1H-NMR (CDCl3, TMS, delta (ppm)) : 1.62-1.73 (1H, m), 2.04-2.14 (1H, m), 2.53-2.64 (1H, m), 3.47 (2H, t), 3.59 (1H, dd), 3.72-3.81 (1H, m), 3.83-3.96 (2H, m), 4.54 (2H, s), 4.67 (2H, s), 6.74 (1H, s), 6.95 (1H, br s), 7.42 (2H, s), 7.61 (1H, s), 184950-35-4

184950-35-4 (Tetrahydrofuran-3-yl)methanamine hydrochloride 17750392, aTetrahydrofurans compound, is more and more widely used in various fields.

Reference£º
Patent; Sumitomo Chemical Company, Limited; MITSUDERA, Hiromasa; AWASAGUCHI, Kenichiro; AWANO, Tomotsugu; UJIHARA, Kazuya; EP2952096; (2015); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

91470-28-9, Tetrahydrofuran-2-carboxamide is a Tetrahydrofurans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Example 85B methyl tetrahydrofuran-2-carbimidate To a mixture of Example 85A (16 g) in dichloromethane (200 mL) was added trimethyloxonium tetrafluoroborate (22.6 g) at 0 C. The reaction mixture was stirred at 15 C. for 12 hours. The reaction mixture was quenched by addition of saturated aqueous NaHCO3 (1 L) and was extracted with ethyl acetate (3*100 mL). The combined organic layers were dried over Na2SO4. After filtering, the filtrate was concentrated to provide the title compound. 1H NMR (400 MHz, CDCl3) delta ppm 1.17-1.29 (m, 1H), 1.78-2.05 (m, 3H), 2.12-2.28 (m, 1H), 3.69-3.77 (m, 3H), 3.81-4.01 (m, 1H), 3.81-4.01 (m, 1H), 3.83-4.02 (m, 1H), 4.22-4.30 (m, 1H), 4.44 (dd, J=8.31, 5.26 Hz, 1H), 4.99-5.23 (m, 1H), 4.99-5.23 (m, 1H), 5.05 (s, 1H), 7.59 (br s, 1H)., 91470-28-9

The synthetic route of 91470-28-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; AbbVie Inc.; AbbVie Deutschland GmbH & Co. KG; Brady, Patrick B.; Braje, Wilfried; Dai, Yujia; Doherty, George A.; Gong, Jane; Jantos, Katja; Ji, Cheng; Judd, Andrew S.; Kunzer, Aaron R.; Lai, Chunqiu; Mastracchio, Anthony; Risi, Roberto M.; Song, Xiaohong; Souers, Andrew J.; Sullivan, Gerard M.; Tao, Zhi-Fu; Teske, Jesse A.; Wang, Xilu; Wendt, Michael D.; Yu, Yiyun; Zhu, Guidong; Penning, Thomas D.; (218 pag.)US2019/55264; (2019); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.184950-35-4,(Tetrahydrofuran-3-yl)methanamine hydrochloride,as a common compound, the synthetic route is as follows.

Tetrahydrofuran-3-ylmethylamine hydrochloride (0.24 g, 1.78 mmol) And triethylamine (0.18 g, 1.78 mmol) Was added to chloroform (amylene added product) (10 mL). To the mixture, 5- (4-phenylbenzyl) oxymethylisoxazole-3-carboxylic acid (0.40 g, 1.19 mmol) at room temperature, 1-Hydroxybenzotriazole (0.02 g, 0.18 mmol) And 1-ethyl-3- (3-dimethylaminopropyl) Carbodiimide hydrochloride (0.34 g, 1.78 mmol) was added, After stirring overnight, Dilute hydrochloric acid was added, It was extracted twice with chloroform. The organic layer was washed with saturated sodium bicarbonate water, After drying with anhydrous sodium sulfate, And concentrated under reduced pressure. The residue was subjected to silica gel column chromatography, Represented by the following equation N- (tetrahydrofuran-3-ylmethyl) -5- (4-phenylbenzyl) oxymethyl isoxazole-3-carboxamide (Hereinafter referred to as present amide compound (115)) 0.42 g was obtained.

184950-35-4, The synthetic route of 184950-35-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SUMITOMO CHEMICAL COMPANY LIMITED; SUMITA, YUSUKE; (264 pag.)JP2015/51963; (2015); A;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.184950-35-4,(Tetrahydrofuran-3-yl)methanamine hydrochloride,as a common compound, the synthetic route is as follows.

2-Butyloxazole-5-carboxylic acid (0.10 g, 0.6 mmol), Tetrahydrofuran-3-ylmethylamine hydrochloride (0.12 g, 0.9 mmol), Triethylamine (0.09 g, 0.9 mmol) And 1-hydroxybenzotriazole (0.01 g, 0.1 mmol) Was added to chloroform (amylene added product) (1.2 mL). To the mixture, 1-Ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride (0.14 g, 0.7 mmol) was added at room temperature, After stirring overnight, Add water, And extracted three times with ethyl acetate. The organic layer was washed with saturated brine , Dried over anhydrous sodium sulfate, And concentrated under reduced pressure. The residue was subjected to silica gel column chromatography, Represented by the following equation N- (tetrahydrofuran-3-ylmethyl) -2-butyloxazole-5-carboxamide (Hereinafter referred to as present amide compound (59)) 0.13 g was obtained., 184950-35-4

As the paragraph descriping shows that 184950-35-4 is playing an increasingly important role.

Reference£º
Patent; SUMITOMO CHEMICAL COMPANY LIMITED; SUMITA, YUSUKE; (264 pag.)JP2015/51963; (2015); A;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.917882-94-1,N-Methyltetrahydrofuran-3-amine hydrochloride,as a common compound, the synthetic route is as follows.,917882-94-1

TEA (1.5 mL, 10.963 mmol) was added to a room temperature stirred solution of N-methyltetrahydrofuran-3-amine hydrochloride (0.754 g, 5.4815 mmol) in DCM (5 mL), followed by the addition of a solution of Intermediate 3 (1.08 g, 3.6543 mmol) in DCM (5 mL). The reaction mixture was stirred at rt for 20 h and, after completion, was concentrated under reduced pressure. The product obtained was purified by silica gel chromatography using a gradient of 50-70% ethyl acetate in hexane as eluent. The fractions were combined and concentrated to dryness to afford the title compound (0.24 g, 18%) as a semisolid. MH+ 360.14;

917882-94-1 N-Methyltetrahydrofuran-3-amine hydrochloride 53404832, aTetrahydrofurans compound, is more and more widely used in various fields.

Reference£º
Patent; NEOMED INSTITUTE; POURASHRAF, Mehrnaz; BEAULIEU, Marc-Andre; CLARIDGE, Stephen; BAYRAKDARIAN, Malken; JOHNSTONE, Shawn; ALBERT, Jeffrey S.; GRIFFIN, Andrew; (135 pag.)WO2017/66876; (2017); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem

16874-33-2, Tetrahydrofuran-2-carboxylic acid is a Tetrahydrofurans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a mixture of 0.7 g of tetrahydrofuran-2 – carboxylic acid and 10 ml of THF was added 0.84 g of oxalyl chloride and 0.05 ml of DMF. The mixture was stirred for 2 hours at room temperature, then, THF was distilled off under reduced pressure. To the residue was added 20 ml of THF and 1.02 g of 3-amino-6- (pyridin- 3-yl ) -pyran-2-one , then, 0.91 g of triethylamine was added, and the mixture was stirred for 18 hours at room temperature. Water (10 ml) was added, and about 15 ml of THF was distilled off under reduced pressure, then, the precipitate was filtrated. The filtratedprecipitate was washed with 10 ml of water and 15 ml of hexane, then, drying under reduced pressure wasperformed to obtain 0.88 g of N- [2-oxo-6- (pyridin-3-yl) – 2H-pyran-3-yl ] -tetrahydrofuran-2-carboxamide(hereinafter, referred to as the inventive compound 49) . Inventive compound 491 H-NMR (CDC13) delta: 9.19 (1H, s), 9.03-9.00 (1H, m) , 8.66- 8.63 (1H, m) , 8.42 (1H, d) , 8.10-8.06 (1H, m) , 7.40 (1H, dd) , 6.79 (1H, d) , 4.48 (1H, dd) , 4.14-4.08 (1H, m) , 4.00-3.95 (1H, m) , 2.42-2.32 (1H, m) , 2.19-2.10 (1H, m) , 2.02-1.91 (2H, m) .

16874-33-2, 16874-33-2 Tetrahydrofuran-2-carboxylic acid 86079, aTetrahydrofurans compound, is more and more widely used in various fields.

Reference£º
Patent; SUMITOMO CHEMICAL COMPANY, LIMITED; ARIMORI, Sadayuki; SHUTO, Akira; MIZUNO, Hajime; WO2011/49150; (2011); A1;,
Tetrahydrofuran – Wikipedia
Tetrahydrofuran | (CH2)3CH2O – PubChem