Tag: M.W:300-400

1211587-42-6, Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Compound 13 was prepared from sulfochloride 11 analogously to 12. Yield 11.6g (63%). White solid. Mp 75-76. [alpha]D=+5.3 ( 1.03, MeOH). MS (CI, m/z): 502 (MH+). Anal. Calcd for C26H35N3O5S: C, 62.25; H, 7.03; N, 8.38; S, 6.39. Found: C, 61.87; H, 7.09; N, 8.21; S, 6.48. 1H NMR (500MHz, CDCl3) delta 7.52-7.29 (m, 7H), 7.29-7.20 (m, 3H), 6.08-5.80 (m, 1H), 5.66-5.30 (m, 1H), 5.12 (s, 2H), 4.10 (s, 2H), 4.04-3.91 (m, 2H), 3.21-3.11 (m, 1H), 3.04-2.93 (m, 1H), 2.75 (s, 2H), 2.53-2.37 (m, 2H), 2.03-1.87 (m, 1H), 1.83-1.65 (m, 2H), 1.12 (d, J=6.0Hz, 3H), 1.12-1.04 (m, 2H), 1.04 (d, J=6.1Hz, 3H). 13C NMR (126MHz, cdcl3) delta 169.6, 155.1, 136.7, 136.6, 129.6, 128.9, 128.5, 128.0, 127.8, 127.4, 67.1, 59.0, 58.6, 43.6, 41.8, 39.4, 31.7, 31.5, 22.5, 22.3.

1211587-42-6, 1211587-42-6 Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate 50988934, apiperidines compound, is more and more widely used in various fields.

Reference：
Article; Grygorenko, Oleksandr O.; Zhersh, Sergey; Oliinyk, Bohdan V.; Shishkin, Oleg V.; Tolmachev, Andrey A.; Tetrahedron Asymmetry; vol. 25; 3; (2014); p. 229 – 237;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

220394-97-8, 1-Boc-4-(Cbz-amino)piperidine is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

A mixture of tert-butyl 4-{[(benzyloxy)carbonyl]amino}piperidine-1-carboxylate obtained in Example 1a (13.1 g, 39.2 mmol), a 5 N aqueous hydrochloric acid solution (40 ml, 200 mmol) and methanol (40 ml) was stirred at mom temperature for 23 hours. A 5 N aqueous sodium hydroxide solution (40 ml) was added to the reaction mixture under ice-cooling. Water and the solvent were distilled off from the reaction mixture while the mixture was azeotropically distilled with ethanol. Ethanol was added to the residue, the insoluble matter was removed by filtration, and the filtrate was concentrated to give the title compound (9.10 g, yield 99.1%). 1H-NMR (400 MHz, CDCl3) delta ppm; 1.31-1.42 (2H, m), 1.92-2.04 (2H, br), 2.70 (2H, d, J=12 Hz), 3.10 (2H, d, J=12 Hz), 3.56-3.68 (1H, br), 4.72-4.81 (1H, br), 5.09 (2H, s), 7.26-7.40 (5H, m).

220394-97-8, 220394-97-8 1-Boc-4-(Cbz-amino)piperidine 1514305, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; EISAI R&D MANAGEMENT CO., LTD.; YOSHIDA, Ichiro; OKABE, Tadashi; MATSUMOTO, Yasunobu; WATANABE, Nobuhisa; ONIZAWA, Yuji; OHASHI, Yoshiaki; HARADA, Hitoshi; US2013/65925; (2013); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

321337-38-6, tert-Butyl 4-(4-(hydroxymethyl)phenoxy)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of tert-butyl 4-(4-(hydroxymethyl)phenoxy)piperidine-1-carboxylate (350 mg, 1.14 mmol) in DMF (5 mL) was added sodium hydride (0.14 g, 5.7 mmol) and iodomethane (0.81 g, 5.7 mmol). The reaction was stirred at ambient temperature for 1 h. Water (20 mL) was added to the reaction vessel and the resulting biphasic mixture was extracted with DCM (3 x 50 mL). The organic phase was washed with saturated aqueous NaCl (5 x 25 mL). The combined organics were dried over anhydrous Na2SO4, filtered and concentrated in vacuo. The resulting oil was purified by flash column chromatography with a gradient elution of hexanes (100%) to hexanes (90%) and EtOAc (10%) to provide tert-butyl 4-(4-(methoxymethyl)phenoxy)piperidine-1-carboxylate (350 mg, 1.09 mmol) as a colorless oil.

321337-38-6, 321337-38-6 tert-Butyl 4-(4-(hydroxymethyl)phenoxy)piperidine-1-carboxylate 22632413, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; SUNOVION PHARMACEUTICALS INC.; HEFFERNAN, Michele L.R.; HARDY, Larry Wendell; BROWN, Scott P.; HERMAN, Lee W.; (180 pag.)WO2018/26371; (2018); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

1211587-42-6, Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of 5-cyclopropyl-N-(2-methylpiperidin-4-yl)-1,2-oxazole-3- carboxamide hydrochloride (920 mg, 3.22 mmol) in DCM (40ml) was added DIPEA (3.37ml, 19.3 mmol) followed by benzyl 4-[(chlorosulfonyl)methyl]piperidine-1- carboxylate (1175 mg, 3.54 mmol) as a solution in DCM (10ml) and the reaction was left at rt overnight. The reaction was diluted with DCM (100ml) and washed with water (50ml) and brine (50ml). The combined aqueous layers were back-extracted with EtOAc (2x25ml). The combined organic layers were dried over Na2SO4, filtered and concentrated. The residue was purified by Isolera over SiO2 (100g), dry loaded and eluted with a gradient of EtOAc in heptane from 12 to 100% then with a gradient of MeOH in EtOAc from 0 to 20% to yield 0.92 g (47%) of sulfonamide as a white solid. TLC (2.5% MeOH in DCM), rf:0.30. 1H NMR (500 MHz, Chloroform-d) 7.40- 7.28 (m, 5H), 6.77 (d, J = 7.4 Hz, 1H), 6.32 (s, 1H), 5.12 (s, 2H), 4.20 (ddt, J = 16.0, 7.7, 4.5 Hz, 3H), 3.76- 3.63 (m, 2H), 3.21 (ddd, J = 13.5, 7.4, 3.8 Hz, 1H), 2.83 (hept, J = 6.4 Hz, 4H), 2.24- 1.90 (m, 6H), 1.79- 1.69 (m, 2H), 1.44 (d, J = 6.9 Hz, 3H), 1.33- 1.22 (m, 2H), 1.16- 1.09 (m, 2H), 1.01 – 0.96 (m, 2H). LCMS analysis (METCR1673 Generic 2 minutes), 100%, 1.38 min, [MH]+.=545.00.

1211587-42-6, The synthetic route of 1211587-42-6 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; EPIZYME, INC.; MITCHELL, Lorna Helen; BELL, Andrew Simon; CHESWORTH, Richard; FOLEY, Megan Alene Cloonan; KUNTZ, Kevin Wayne; MILLS, James Edward John; MUNCHHOF, Michael John; (375 pag.)WO2016/40515; (2016); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.952681-82-2,2-(1′-(tert-Butoxycarbonyl)spiro[chroman-2,4′-piperidine]-4-yl)acetic acid,as a common compound, the synthetic route is as follows.

952681-82-2, Preparation of 5.8:[0250] To a solution of the carboxylic acid 5.7 (433 mg, 1.2 mmol) in acetonitrile (15 mL) was added ./V,./V-diisopropylethylamine (0.86 mL, 4.9 mmol) and diethylamine (1.6) (0.36 mL, 3.5 mmol). The reaction mixture was cooled with ice-bath and TBTU (463 mg, 1.44 mmol) was added portionwise to the reaction mixture. The reaction mixture was stirred at room temperature overnight. The reaction mixture was concentrated, dissolved in ethyl acetate. The organic solution was washed with saturated aqueous sodium bicarbonate and dried over sodium sulfate. Evaporation of the solvent gave the crude product, which was chromato graphed using ethyl acetate/hexane (1:1) as eluent. Yield: 80%.1H NMR (400 MHz, CDCl3) delta 7.20 (m, IH), 7.10 (m, IH), 6.88 (m, 2H), 3.81 (m, 2H), 3.56-3.30 (m, 6H), 3.08 (m, IH), 2.92 (dd, IH), 2.40 (dd, IH), 2.12 (m, IH), 1.83-1.62 (m, 3H), 1.48 (s+m, HH), 1.20 (t, 3H).

952681-82-2 2-(1′-(tert-Butoxycarbonyl)spiro[chroman-2,4′-piperidine]-4-yl)acetic acid 56965736, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; ADOLOR CORPORATION; WO2007/118151; (2007); A2;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

61869-08-7,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.61869-08-7,(3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)piperidine,as a common compound, the synthetic route is as follows.

1.0 g of oily paroxetine free base and 1.24 g of cholic acid were completely dissolved in a mixed solvent of methanol (10 mL) and acetone (40 mL) while heating to 40 C. with shaking for 30 minutes. The solution was allowed to stand at room temperature for 24 hours to obtain a salt. The salt was filtered, and dried under vacuum to yield 2.0 g of solid paroxetine cholate as a white crystal.

61869-08-7 (3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)piperidine 44274603, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; Lee, Sang Joon; Shin, Hee Jong; Ki, Min Hyo; Lee, Su Kyoung; Kim, Bok Young; Lee, Hong Woo; US2006/63747; (2006); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.220394-97-8,1-Boc-4-(Cbz-amino)piperidine,as a common compound, the synthetic route is as follows.

A solution of 4-benzyloxycarbonylamino-piperidine-l-carboxylic acid tert-butyl ester (17.73 g, 53 mmol) in trifluoroacetic acid (30 ml) was stirred at room temperature for 30 min. The solvent was removed under reduced pressure and the residue was partitioned between IN aq, sodium hydroxide (30 ml) and a DCM-MeOH mixture (9-1, 100 ml). The aq. layer was extracted four more times with the same mixture. The combined extracts were dried over sodium sulfate, filtered and concentrated to dryness. The residue was chromatographed (DCM-MeOH 9-1 1% aq. ammonium hydroxide then DCM-MeOH 4-1) to afford the title piperidine (11.03 g, 47.07 mmol). .H NMR (CDC13) 8: 7.40-7.29 (m, 5H); 6.19 (br. s, 1H); 5.10 (s, 2H); 5.04 (s, 1H); 3.47 (m, 1H); 3.25 (br. d, J= 12.8 Hz, 2H); 2.81 (t, J= 12 Hz, 2H); 2.04 (m, 2H); 1.58 (m,2H).

220394-97-8, 220394-97-8 1-Boc-4-(Cbz-amino)piperidine 1514305, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; ACTELION PERCUREX AG; WO2006/99884; (2006); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.220394-97-8,1-Boc-4-(Cbz-amino)piperidine,as a common compound, the synthetic route is as follows.

Benzyloxycarboxamide-tert-butyl piperidine-1-carboxylate (0.334 g, 1 mmol),Was dissolved in 5 mL of chloroform, TFA (3.42 g, 30 mmol) was dropped at room temperature,The reaction was stirred for 1h, the excess TFA was distilled off under reduced pressure,Add DIEA (0.258g, 2mmol), cyclopentanone 1mL, sodium triacetoxyborohydride (0.636g, 3mmol), the reaction at room temperature for 1h, add a small amount of water quenched reaction, saturated sodium bicarbonate to adjust pH = 6 ~ 7, The mixture was extracted with dichloromethane and dried over anhydrous sodium sulfate. After concentration, the residue was subjected to column chromatography to obtain 0.314 g of a white solid in a yield of 104%., 220394-97-8

The synthetic route of 220394-97-8 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; Chinese Academy Of Medical Sciences Pharmaceutical Institute; Xu Boling; Chen Xiaoguang; Jin Jing; Zhu Lina; Zhang Chongjing; (85 pag.)CN102250075; (2016); B;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

1211587-42-6, Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Into a 100-mL 3-necked round-bottom flask was placed N,N-dimethylformamide (10 mL), N-[(1R,3r,5S)-8-azabicyclo[3.2.1]octan-3-yl]-2-methyl-3-oxo-3,4-dihydro-2H- benzo[b][1,4]oxazine-6-carboxamide (250 mg, 0.79 mmol, 1.00 equiv), and TEA (231 mg, 3.00 equiv). This was followed by the addition of a solution of benzyl 4- [(chlorosulfonyl)methyl]piperidine-1-carboxylate (657 mg, 1.98 mmol, 2.50 equiv) in 2 ml N,N-dimethylformamide which was added dropwise with stirring at -20oC. The resulting solution was stirred for 30 min at -20oC. The mixture was allowed to react, with stirring, for an additional 15 h at room temperature. The mixture was diluted with 50 mL of EA and washed with 2×20 mL of water and 2×20 mL of brine. The organic phase was dried over anhydrous sodium sulfate and filtered. The residue was chromatographed on a silica gel column with dichloromethane/methanol (20:1). This resulted in 60 mg (12%) of benzyl 4-[[(1R,3r,5S)-3-(2-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6- carboxamido)-8-azabicyclo[3.2.1]octane-8-sulfonyl]methyl]piperidine-1-carboxylate as a white solid

1211587-42-6, 1211587-42-6 Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate 50988934, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; Epizyme, Inc.; Poley, Megan Allen Clunan; Kunz, Kevin Wayne; Mills, James Edward John; Mitchell, Lona Helen; munckhof, Michael John; Harvey, Darren Martin; (303 pag.)KR2017/45749; (2017); A;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1211587-42-6,Benzyl 4-((chlorosulfonyl)methyl)piperidine-1-carboxylate,as a common compound, the synthetic route is as follows.

Into a 50-mL round-bottom flask was placed 2-oxo-N-(piperidin-4-yl)-2,3- dihydro-1H-indole-5-carboxamide hydrochloride (80 mg, 0.27 mmol, 1.00 equiv) and NMP (16 mL). This was followed by the addition of TEA (82 mg, 0.81 mmol, 3.00 equiv) dropwise with stirring at 0oC. To this was then added benzyl 4- [(chlorosulfonyl)methyl]piperidine-1-carboxylate (135 mg, 0.41 mmol, 1.50 equiv) in several batches at 0oC. The resulting solution was stirred for 2 h at 20oC. The mixture was concentrated under vacuum. The residue was chromatographed on a silica gel column with dichloromethane/methanol (50:1-20:1). The collected fractions were combined and concentrated under vacuum. This resulted in 100 mg (67%) of benzyl 4- [[4-(2-oxo-2,3-dihydro-1H-indole-5-carboxamido)piperidine-1- sulfonyl]methyl]piperidine-1-carboxylate as a yellow solid

1211587-42-6, The synthetic route of 1211587-42-6 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; Epizyme, Inc.; Poley, Megan Allen Clunan; Kunz, Kevin Wayne; Mills, James Edward John; Mitchell, Lona Helen; munckhof, Michael John; Harvey, Darren Martin; (303 pag.)KR2017/45749; (2017); A;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem