Tag: M.W:200-300

683233-14-9, (R)-tert-Butyl 2-(aminomethyl)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

A solution of (1S,3?R,6?R,7?S,8?E,11?S,12?R)-6-chloro-7?-(2-methoxyethoxy)- 11?, 12? -dimethyl- 15? -oxo-3,4-dihydro-2H-spiro[naphthalene-1,22?-[20joxa[13jthia[1,14jdiazatetracyclo[14.7.2.03,6.&-49,24jpentacosa[8,16,18,24jtetraenej-7?-carbaldehyde 13?,13?-dioxide (55 mg, 0.080 mmol) and (R)-tertbutyl 2-(aminomethyl)piperidine-1-carboxylate (172 mg, 0.803 mmol) in 1,2-dichloroethane (0.8 mL) was stirred at room temperature for 14 h. Sodiumtriacetoxyborohydride (0.059 mL, 0.401 mmol) was added to the mixture and the mixture was then stirred at room temperature for 1 h. The mixture was dilutedwith MeOH (5 mL) and silica gel was added. The mixture was concentrated and dried in vacuo. The solid mixture was then purified by silica gel columnchromatography (solid loading, 0% to 100% EtOAc/heptane) provided 2-methyl-2-propanyl (2R)-2-(((((1S,3?R,6?R,7?S,8?E,1 1?S,12?R)-6-chloro-7?-(2-methoxyethoxy)- 11?, 12?-dimethyl- 13?, 13? -dioxido- 15 ?-oxo-3,4-dihydro-2H- spiro [naphthalene- 1,22? -[20joxa[13jthia[1,14jdiazatetracyclo[14.7.2.03,6.019,24jpentacosa[8,16,18,24jtetraenj -7? -yl)methyl)amino)methyl)- 1 -piperidinecarboxylate (64 mg, 0.072mmol, 90 % yield) as a light yellow solid. MS (ESI, -1-ye ion) m/z 883.5 (M+H)t, 683233-14-9

683233-14-9 (R)-tert-Butyl 2-(aminomethyl)piperidine-1-carboxylate 1502021, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; AMGEN INC.; HARRINGTON, Paul E.; ASHTON, Kate; BROWN, Sean P.; KALLER, Matthew R.; KOHN, Todd J.; LANMAN, Brian Alan; LI, Kexue; LI, Yunxiao; LOW, Jonathan D.; MINATTI, Ana Elena; PICKRELL, Alexander J.; STEC, Markian M.; TAYGERLY, Joshua; (991 pag.)WO2018/183418; (2018); 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.63845-28-3,2-(1-((Benzyloxy)carbonyl)piperidin-4-yl)acetic acid,as a common compound, the synthetic route is as follows.

(4-({ [(3-Chloro-pyrazin-2-yl)-(2-phenyl-quinolin-7-yl)-methyl]-carbamoyl}-methyl)- piperidine-1-carboxylic acid benzyl ester); [1123] (3-Chloropyrazin-2-yl)(2-phenylquinolin-7-yl)-methanamine (120.00 mg, 0.35 mmol), EDC (100.64 mg, 0.53 mmol) and HOBt (47.29 mg, 0.35 mmol) were suspended in CH2C12 (2 mL) and charge with DIEA (122.00 muL, 0.70 mmol) followed by the addition of 1- N-Cbz-4-piperidineacetic acid (127.56 mg, 0.46 mmol). The reaction mixture was stirred at rt for 16 h. The reaction mixture was diluted with CH2Cl2 (10 mL) and washed with saturated NaHC03 (2 x 20 mL) and brine (2 x 20 mL). The organic layer was dried over Na2S04 and concentrated in vacuo. The crude product was purified by a 10 g Jones silica gel (wetted with 50% EtOAc/ Hexane, dried loaded onto silica, and run with 60% EtOAc/ Hexanes – 70% EtOAc/ Hexanes) affording the desired product; ?H NMR (400 MHz, CHLOROFORM-d) 8 8.56 (1 H, d, J=2.47), 8.39 (1 H, d, J= 2.50), 8.23 (1 H, d, J= 4.77), 8.11 (2 H, d, J= 7.06), 7.85 (3 H, dd, J= 8.60, J= 8.38), 7.74 (1 H, s), 7.50 (3H, m), 7.32 (6H, m), 6.78 (1 H, d, J= 7.76), 5.10 (2 H, s), 4.11 (2 H, m), 2.75 (2 H, m), 2.21 (2 H, d, J= 7.00), 2.01 (1 H, m), 1.67 (2 H, m), 1.15 (2 H, d, J= 8.921) ; MS (ES+): m/z 605.96/606.98/608.93 (100/40/15) [MH(at)] ; HPLC: tR = 3.33 min. (OpenLynx, nonpolar_5min.).

63845-28-3, The synthetic route of 63845-28-3 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; OSI PHARMACEUTICALS, INC.; WO2005/97800; (2005); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

885279-92-5, 1-Boc-1,8-diaza-spiro[4.5]decane is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a stirred solution of C2 and TEA (1.2 eq) in DMF (0.3 M) was added TBTU (1.3 eq). The mixture was and stirred for Ih and tert-butyl l,8-diazaspiro[4.5]decane-l-carboxylate together with TEA (4 eq) was added. The mixture was stirred for 2h and the product was purified by preparative RP-HPLC, using H2O/ACN (0.1% TFA) as eluents. The pooled fraction were concentrated under reduced pressure and the remaining oil was (C3) stirred for 30 min in a mixture of TFA/DCM (1:1). The solvents were removed under reduced pressure and the residue was lyophilized from H2O/ ACN. The title compound was obtained as a slightly orange foam.1U NMR (400 MHz, DMSO-d6) delta: 8.65 (2H, br. s), 8.17-8.10 (IH, m), 7.86 (s, IH), 7.84- 7.75 (m, 2H), 7.52-7.41 (m, 2H), 7.36-7.25 (m, 2H), 5.74 (s, 2H), 4.10-3.99 (m, IH), 3.31-3.07 (m, 5H), 2.00-1.72 (m, 6H), 1.69-1.60 (m, 2H). MS (ES) C24H25FN4O2 requires: 420, found: 421 (M+H)+., 885279-92-5

As the paragraph descriping shows that 885279-92-5 is playing an increasingly important role.

Reference：
Patent; ISTITUTO DI RICERCHE DI BIOLOGIA MOLECOLARE P. ANGELETTI S.P.A.; WO2009/27730; (2009); 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.39514-19-7,Ethyl 1-benzyl-3-oxopiperidine-4-carboxylate,as a common compound, the synthetic route is as follows.

Example 35(+/-)-cis-3-Butyl-4-(4-cyclohexyloxy-phenyl)-6-(3-methoxy-1-methyl-piperidin-4-ylmethoxy)-pyridazine dihydrochlorideTo a stirred suspension of 1 -benzyl -3-oxo-pi peri di n e-4-carboxyl i c acid ethyl ester hydrochloride salt (25 g) in EtOAc (500 mL) was added saturated sodium bicarbonate solution (200 mL) and continued stirring for 2 h. The organic layer was separated, dried over Na2S04, filtered and concentrated to provide ethyl 1 -benzyl-3-oxo-pi peri di ne-4-carboxyl ic acid ethyl ester (22.00 g). To a solution of ethyl 1-benzyl-3-oxo-piperidine-4-carboxylic acid ethyl ester (22 g, 84.18 mmol) in EtOAc (75 mL) was added (Boc)20 (20.21 g, 92.59 mmol) followed by 10percent Pd-C (2.4 g) and the resultant reaction mixture was subjected to hydrogenation at 50 psi of hydrogen for 14 h. The catalyst was filtered by passing through a pad of celite, washed the celite pad with EtOAc (200 mL) and the combined filtrate was concentrated. The residue was purified by flash silica gel column chromatography by eluting with 0.5percent ethyl acetate in hexanes to provide ethyl 3-oxo- pi peri di ne- 1 , 4-d i carboxyl i c acid 1-tert-butyl ester 4-ethyl ester (34 g)., 39514-19-7

The synthetic route of 39514-19-7 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; TRANSTECH PHARMA, INC.; GOHIMUKKULA, Devi, Reddy; JONES, David; QABAJA, Ghassan; ZHU, Jeff, Jiqun; COOPER, Jeremy, T.; BANNER, William, Kenneth; SUNDERMANN, Kurt; BONDLELA, Muralidhar; RAO, Mohan; WANG, Pingzhen; GOWDA, Raju, Bore; ANDREWS, Robert, C.; GUPTA, Suparna; HARI, Anitha; WO2011/103091; (2011); 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.118511-81-2,1-(Piperidin-4-yl)-1H-indole,as a common compound, the synthetic route is as follows.

PREPARATION 13 1-N-(1-N-(Cyclopropylmethyl)-piperidin-4-yl)-indole To a solution of 1-N-(piperidin-4-yl)-indole (0.6 g, 3 mmol) in dry ethanol (4 mL) was added anhydrous potassium carbonate (680 mg, 4.9 mmol). After stirring for 15 minutes at ambient temperature, bromomethylcyclopropane (0.29 mL,4.5 mmol) was added. Stirring was continued overnight. An additional amount of carbonate (0.22 g) and bromomethylcyclopropane (0.14 mL) was added. After 3 hours, the reaction mixture was quenched with water and extracted with ethyl acetate (3*). The combined organic phase was washed with water, dried, evaporated, and purified by column chromatography on silica gel eluding with methylene chloride/ethanol (98:2). Evaporation of the eluding solvent gave the title compound as an oil (480 mg, 63% yield)., 118511-81-2

The synthetic route of 118511-81-2 has been constantly updated, and we look forward to future research findings.

Reference：
Patent; Eli Lilly and Company; US5545636; (1996); A;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

61995-20-8, Benzyl 3-oxopiperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

61995-20-8, To a solution of Compound 1 (5.0 g, 21.5 mmol) and ethyl 2-diazoacetate (3.2 g, 28.1 mmol) in THF (100 mL) was added BF3-Et2O (2.7 mL, 21.5 mmol) at -78 C. under N2. The reaction mixture was stirred at -78 C. for 1.5 h, then warmed to 28 C. slowly and stirred for 1.5 h. The resulting mixture was quenched with NaHCO3 (sat.) and extracted with EA (300 mL). The organic layer was dried over Na2SO4 and concentrated in vacuo to give a crude product, which was purified by flash column chromatography to give a mixture of Compound 2 and 3 (3.4 g, 50%). LCMS: 320.0 [M+1].

61995-20-8 Benzyl 3-oxopiperidine-1-carboxylate 1514169, apiperidines compound, is more and more widely used in various fields.

Reference：
Patent; Novira Therapeutics, Inc.; Hartman, George D.; US2015/225355; (2015); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

10315-06-7, Methyl 1-benzylpiperidine-4-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: A mixture of the corresponding b-carboline-3-acid methyl ester(1 mmol), NaOH (4 mmol), C2H5OH (5 ml) and H2O (10 ml) was refluxed for 3 h, and the ethanol was removed on the rotary evaporator.The mixture was neutralized (pH = 5) with 5 N HCl and cooled. The precipitate was collected, washed well with H2O and dried in vacuum. The material was used without further purificationfor the following steps., 10315-06-7

10315-06-7 Methyl 1-benzylpiperidine-4-carboxylate 11436222, apiperidines compound, is more and more widely used in various fields.

Reference：
Article; Wang, Jin; Wang, Zhi-Min; Li, Xue-Mei; Li, Fan; Wu, Jia-Jia; Kong, Ling-Yi; Wang, Xiao-Bing; Bioorganic and Medicinal Chemistry; vol. 24; 18; (2016); p. 4324 – 4338;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.125224-43-3,((3S,4R)-4-(4-Fluorophenyl)piperidin-3-yl)methanol,as a common compound, the synthetic route is as follows.

Preparation of compound 13b was accomplished by dissolving ((3S,4R)-4-(4-fluorophenyl)piperidin-3- yl)methanol (0.765 mmol, 0.160 g) and sodium cyanoborohydride (2.30 mmol, 0.144 g) in THF (2.0 mL) and acetone (2.0 mL) at 0C. Acetic acid (3.06 mmol, 0.175 mL) was then added dropwise and the reaction was stirred overnight warming to room temperature. The reaction was neutralized with 2N NaOH and then extracted with ethyl acetate. The organic layer was washed 2x with NaCl, dried over MgSO4 and concentrated to give the desired product (0.15 g, 78% yield).

125224-43-3, As the paragraph descriping shows that 125224-43-3 is playing an increasingly important role.

Reference：
Article; Bouley, Renee; Waldschmidt, Helen V.; Cato, M. Claire; Cannavo, Alessandro; Song, Jianliang; Cheung, Joseph Y.; Yao, Xin-Qiu; Koch, Walter J.; Larsen, Scott D.; Tesmer, John J.G.; Molecular Pharmacology; vol. 92; 6; (2017); p. 707 – 717;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

710972-40-0, tert-Butyl 4-((2-methoxyethyl)amino)piperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

710972-40-0, 135 {l-r2-(lH-Indazol-4-yl)-4-mophiholin-4-yl-thienor3.2-dlpyrimidin-6-ylmethyl1- piperidin-4-yl|-isopropyl-(2-methoxy-ethyl)-amine.Via [l-(2-chloro-4-morpholin-4-yl-thieno[3,2-d]pyrimidin-6-ylmethyl)- piperidin-4-yl]-isopropyl-(2-methoxy-ethyl)-amine, prepared from isopropyl-(2- methoxy-ethyl)-piperidin-4-yl-amine.Amine preparation: A mixture of 4-(2-methoxy-ethylamino)-piperidine-l- carboxylic acid tert-butyl ester (see preparation of 121) (300mg) and 2- bromopropane (1.2OmL) in MeCN (3mL) with potassium carbonate (192mg) were heated at 6O0C in a sealed tube for 7 days. The reaction mixture was cooled down, diluted with DCM, washed with brine, dried (MgSO4) and the solvent removed in vacuo. The residue was purified using flash chromatography to yield 4-[isopropyl-(2- methoxy-ethyl)-amino]-piperidine-l -carboxylic acid tert-butyl ester as an oil EPO (131mg). Treatment of this compound with HCl in DCM/MeOH and basic wash with aqueous sodium bicarbonate yielded the desired amine.1H NMR (400MHz, CDCl3) 1.03 (6H, d, J=6.6Hz), 1.62-1.72 (4H, m), 2.08-2.14 (2H, m), 2.52-2.60 (IH, m), 2.69 (2H, t, J=7.4Hz), 3.03-3.12 (4H, m), 3.33 (2H, t, J=7.3Hz), 3.35 (3H, s), 3.82 (2H, s), 3.92 (4H, t, J=4.5Hz), 4.05 (4H, t, J=4.5Hz), 7.35 (IH, s), 7.51 (IH, t, J=8.0Hz), 7.59 (IH, d, J=8.3Hz), 8.29 (IH, d, J=6.6Hz), 9.03 (IH, s), 10.10 (IH, br); MS (ESI+) 550 (MH+).

As the paragraph descriping shows that 710972-40-0 is playing an increasingly important role.

Reference：
Patent; PIRAMED LIMITED; WO2006/46031; (2006); A1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem

180307-56-6, tert-Butyl 4-vinylpiperidine-1-carboxylate is a piperidines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

[0077] In a 15 mL microwave tube was added 5-bromo-2,1,3-benzoxadiazole (0.94 g, 4.7 mmol), tert-butyl 4-ethenylpiperidine-1-carboxylate (1.0 g, 4.7 mmol), triethylamine (0.66 ml, 4.7 mmol), palladium (II) acetate (0.11 mg, 0.47 mmol)and DMF (5 mL). The solution was degassed and filled with nitrogen (3x), then heated to 100 C for 2 hr. The reactionwas diluted with ethyl acetate, washed with water, filtered through a pad of diatomaceous earth and a plug of silica gel.The organic phase was dried over MgSO4, concentrated and purified by MPLC (eluted with gradient 0->30% EtOAc/Hexane)to provide tert-butyl 4-[(E)-2-(2,1,3-benzoxadiazol-5-yl)ethenyl]piperidine-1-carboxylate as a mixture with the Zolefin.LC-MS (IE, m/z): 352 [M+Na]+.

180307-56-6, As the paragraph descriping shows that 180307-56-6 is playing an increasingly important role.

Reference：
Patent; Merck Sharp & Dohme Corp.; WALSH, Shawn; PASTERNAK, Alexander; CATO, Brian; FINKE, Paul, E.; FRIE, Jessica; FU, Qinghong; KIM, Dooseop; PIO, Barbara; SHAHRIPOUR, Aurash; SHI, Zhi-Cai; TANG, Haifeng; (136 pag.)EP2755656; (2016); B1;,
Piperidine – Wikipedia
Piperidine | C5H11N – PubChem