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Some tips on Thiomorpholine-1-oxide hydrochloride

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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. 76176-87-9, name is Thiomorpholine-1-oxide hydrochloride. This compound has unique chemical properties. The synthetic route is as follows. 76176-87-9

To a solution of thiomorpholine 1-oxide hydrochloride (340 mg) and triethylamine (0.31 mL) in N,N-dimethylformamide (25 mL) were added [2-(7-ethyl-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetic acid (500 mg), 1-hydroxybenzotriazole (300 mg) and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (420 mg) under ice-cooling, and the mixture was stirred under ice-cooling and then at room temperature for 15 hr. Water was added to the reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was washed with aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, filtered and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography (ethyl acetate:methanol = 100:0 to 80:20, volume ratio), and the obtained pale-yellow crystals were recrystallized from tetrahydrofuran-ethyl acetate to give the title compound (354 mg, yield 58%) as colorless crystals. melting point 194-196C. MS 561 (MH+).

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Patent; Takeda Pharmaceutical Company Limited; EP2371826; (2011); A1;,
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New learning discoveries about 76176-87-9

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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. 76176-87-9, name is Thiomorpholine-1-oxide hydrochloride. A new synthetic method of this compound is introduced below. 76176-87-9

76176-87-9, To the stirred solution of 3-(4-amino-5-iodo-pyrrolo[2,3-d]pyrimidin-7-yl)-cyclobutanone (Step S.1 ; 680 mg, 2.05 mmol), 1.2-dichloroethane (55 ml) and diisopropylethylamine (1 .79 ml, 10.25 mmol) was subsequently added 1 -oxo-thiomorpholine hydrochloride (638 mg, 4.10 mmol) and sodium triacetoxyborohydride (652 mg, 3.08 mmol) at 0 C. The reaction mixture was stirred for 1 h at room temperature, and then poured into the stirred mixture of water (150 ml) and EtOAc (150 ml). The precipitate was filtered and washed with water and EtOAc. The solid collected was dried in vacuo to afford the title compound as beige crystals. HPLC-MS: M+H = 432.1 (R, = 0.43); TLC; R, = 0.36 (DCM/MeOH/NH3aq, 200:20:1 ).

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Patent; NOVARTIS AG; IRM LLC; CHEN, Bai; FAIRHURST, Robin Alec; JIANG, Songchun; LU, Wenshuo; MARSILJE III, Thomas H.; MCCARTHY, Clive; MICHELLYS, Pierre-Yves; STUTZ, Stefan; WO2012/120469; (2012); A1;,
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Thiomorpholine | C4H9NS – PubChem

Downstream synthetic route of Thiomorpholine-1-oxide hydrochloride

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TBTU (176 mg, 0.55 mmol) was added in one portion to a stirred solution of 8-(1-(3,5-difluorophenyl)pyrrolidin-2-yl)-2-morpholino-4-oxo-4H-chromene-6-carboxylic acid (125 mg, 0.27 mmol) and DIPEA (0.286 mL, 1.64 mmol) at room temperature and stirred for 2.5 h. Thiomorpholine 1-oxide hydrochloride (85 mg, 0.55 mmol) was added to the reaction mixture and stirring was continued for 3 h. The reaction mixture was diluted with DCM, washed with water, brine, dried over MgSO4 and concentrated. The residue was purified by preparative HPLC. The fractions were evaporated to dryness, the residue was dissolved in DCM, dried over MgSO4 and concentrated. The remaining solid was triturated with diethyl ether, filtered, washed with diethyl ether and dried under vacuum at 50 C. to afford 8-[1-(3,5-difluorophenyl)pyrrolidin-2-yl]-2-morpholino-6-(1-oxo-1,4-thiazinane-4-carbonyl)chromen-4-one (87 mg, 57%) as a pale beige solid.Mass Spectrum:m/z [M+H]+=558.Proton NMR Spectrum:(DMSO-d6) 1.75-1.86 (m, 1H), 1.98-2.08 (m, 2H), 2.14 (bs, 0.5H), 2.51-2.58 (m partially hidden by DMSO-d5, 1H), 2.64 (bs, 1H), 2.81 (bs, 1.5H), 2.98 (bs, 1H), 3.27 (bs, 1H), 3.40 (bs, 1H), 3.49-3.65 (m, 5H), 3.64-3.83 (m, 6H), 4.21 (bs, 0.5H), 4.34 (bs, 0.5H), 5.25 (d, 1H), 5.62 (s, 1H), 6.13 (d, 2H), 6.34 (t, 1H), 7.18 (s, 1H), 7.87 (d, 1H)

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Patent; ASTRAZENECA AB; US2012/264731; (2012); A1;,
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Brief introduction of 76176-87-9

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As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 76176-87-9, name is Thiomorpholine-1-oxide hydrochloride. This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below. 76176-87-9

5.40 3-{1-OXO-4-[4-(1-OXO-THIOMORPHOLIN-4-YLMETHYL)-BENZYLOXY]-1,3-DIHYDRO-ISOINDOL-2-YL}-PIPERIDINE-2,6-DIONE In a 20-mL reaction vial, N,N-diisopropylethylamine (0.197 mL, 1.128 mmol) was added to a suspension of 1-oxo-thiomorpholine hydrochloride (97 mg, 0.620 mmol) in MeCN (5 mL). The mixture was sonicated at room temperature to break up solid. Upon full dissolution of the, 3-(4-(4-(bromomethyl)benzyloxy)-1-oxoisoindolin-2-yl)piperidine-2,6-dione (250 mg, 0.564 mmol) was added to the solution in one portion and the resulting mixture was stirred at room temperature. After about 1 hour, MeCN (~5 mL) was added to improve stirring. The mixture was stirred for another 4 hours at room temperature and then diluted with EtOAc (15 mL). The slurry was stirred for a few minutes then filtered on a fine-pore filter funnel with suction. The cake was washed with a small portion of EtOAc (~5 mL), suction dried, and then dried further in vacuum oven at 40 C. to give 3-{1-oxo-4-[4-(1-oxo-thiomorpholin-4-ylmethyl)-benzyloxy]-1,3-dihydro-isoindol-2-yl}-piperidine-2,6-dione as a white solid (110 mg, 40% yield): HPLC: Waters Symmetry C18, 5 mum, 3.9*150 mm, 1 ml/min, 240 nm, 15/85 CH3CN/0.1% H3PO4, 4.25 min (98.9%); mp: 170-172 C., 1H NMR (DMSO-d6) delta 1.90-2.05 (m, 1H, CHH), 2.36-2.47 (m, 1H, CHH), 2.53-2.66 (m, 3H, CH2, CHH), 2.66-2.77 (m, 2H, CH2), 2.79-3.01 (m, 5H, CH2, CH2, CHH), 3.57 (s, 2H, CH2), 4.25 (d, J=17.6 Hz, 1H, CHH), 4.42 (d, J=17.6 Hz, 1H, CHH), 5.11 (dd, J=5.1, 13.2 Hz, 1H, CH), 5.23 (s, 2H, CH2), 7.26-7.39 (m, 4H, Ar), 7.40-7.54 (m, 3H, Ar), 10.97 (s, 1H, NH); 13C NMR (DMSO-d6) delta 22.33, 31.16, 43.56, 45.07, 45.51, 51.55, 61.15, 69.36, 114.96, 115.22, 127.67, 128.92, 129.80, 129.95, 133.28, 135.38, 137.67, 153.48, 167.97, 170.96, 172.81; LC/MS M+H=482; Anal Calcd for C25H27N3O5S+1.0 H2O: C, 60.10; H, 5.85; N, 8.41; S, 6.42. Found: C, 59.94; H, 5.52; N, 8.26; S, 6.45.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 76176-87-9, we look forward to future research findings about .

Reference£º
Patent; Man, Hon-Wah; Muller, George W.; Ruchelman, Alexander L.; Khalil, Ehab M.; Chen, Roger Shen-Chu; Zhang, Weihong; US2011/196150; (2011); A1;,
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The important role of Thiomorpholine-1-oxide hydrochloride

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Inermediate AU: (c/s)-5-lodo-7-[3-(1 -oxo-thiomorpholin-4-ylmethyl)-cyclobutyl]-7H- pyrrolo[2,3-d]pyrimidin-4-ylamineTo the stirred solution of (c/s)-[3-(4-amino-5-iodo-pyrrolo [2,3-d]pyrimidin-7-yl)-cyclobutyl] methanol (Intermediate J: 348 mg, 1.0 mmol) and acetonitrile (70 mL) was added IBX (Atlantic SciTech 86900: 561 mg, 2.0 mmol, 2 eq). The reaction mixture was stirred for 1 hour at 80 C. The reaction mixture was filtered at 40 C and the filtrate was concentrated. To the residue was added subsequently DCM (50 mL), ethyl-diisopropyl-amine (3.43 mL, 20 mmol, 20 eq), 1 -oxide thiomorpholin hydrochloride (312 mg, 2.0 mmol, 2 eq) and sodium triacetox- yborohydride (637 mg, 3.0 mmol, 3 eq) with stirring at room temperature. The reaction mixture was stirred for 1 hour at ro temperature and then partitioned between NaHC03 1 M and EtOAc. The combined organic layers were washed with water and brine, dried (Na2S04), filtered and concentrated. The residue was purified by silica gel column chromatography (DCM/MeOH/NH3aq, 200:20: 1 ) to afford the title compound as pale yellow crystals: HPLC/MS (Method Z) tR 0.92 minutes, M+H 446.2. TLC; Rf = 0.26 (DCM/MeOH/NH3aq, 200:20:1).

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Patent; NOVARTIS AG; IRM LLC, a Delaware Limited Liability Company; CHEN, Bei; FAIRHURST, Robin, Alec; FLOERSHEIMER, Andreas; FURET, Pascal; JIANG, Songchun; LU, Wenshuo; MARSILJE, Thomas, H.; VAUPEL, Andrea; WO2011/64211; (2011); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

The important role of 76176-87-9

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Intermediate 7 (17.86 g, 44.7 mmol), 1-oxide thiomorpholine hydrochloride (10.5 g, 67.1 mmol, 1.5 eq) and NaOAc (5.87 g, 71.5 mmol, 1.6 eq) weresuspended in anhydrous CH2CI2 (450 mL) under Ar(g). The reaction mixture was then refluxed for 6 h, then cooled down to rt and NaBH(OAc)3 (16.1 g, 76 mmol, 1 .7 eq) was slowly added over 15 mins. The mixture was left to stir at rt for 18 h. The mixture was then re-charged with 1-oxide thiomorpholine hydrochloride (10.5 g, 67.1 mmol, 1.5 eq), NaOAc (5.87 g, 71.5 mmol, 1.6 eq) andNaBH(OAc)3 (16.1 g, 76 mmol, 1.7 eq). After 6 h stirring, the mixture was quenched with H20 (300 mL) and extracted with CH2CI2 (2 x 300 mL). The combined organic extracts were washed with 50% brine (50 mL) then dried over MgSO4 and the solvent was removed in vacuo. Pd-scavenge was carried out in CH2CI2/MeOH (1:1, 100 mL) using MP-TMT resin (18 g, 0.68 mmol/g) over 18 h.The next day, the resin was filtered off, washed with CH2CI2/MeOH (1:1, 20 mL) and the solvent was removed in vacuo. Purification by silica gel column chromatography with EtOAc/MeOH (1:0-4:1) followed by CH2CI2/MeOH (1:0-9:1) yielded Example B as an off-white solid (13.0 g, 58%).1H NMR (300MHz, DMSO-d5) oH. 11.27 (brs, 1H), 8.62 (d, J=3.2 Hz, 2H), 8.18(d, J=7.5 Hz, 1H), 7.44-7.59 (m, 3H), 7.23 (t, J=7.7 Hz, 1H), 4.13 (d, J=4.7 Hz,4H), 3.84-3.93 (m, 4H), 3.83 (5, 2H), 2.84-3.03 (m, 4H), 2.64-2.83 (m, 4H). MS (ESj 503.0 (100%, [M+H]j.

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Reference£º
Patent; KARUS THERAPEUTICS LTD; SHUTTLEWORTH, Stephen Joseph; SILVA, Franck Alexandre; CECIL, Alexander Richard Liam; ALEXANDER, Rikki Peter; GATLAND, Alice Elizabeth; FINNEMORE, Daniel John; (123 pag.)WO2017/29521; (2017); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

Some tips on 76176-87-9

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. 76176-87-9. We look forward to the emergence of more reaction modes in the future.

Thiomorpholine-1-oxide hydrochloride, A common heterocyclic compound, 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., 76176-87-9

To a suspension of Intermediate 41 (68.4 mg, 0.146 mmol, 1.0 eq) in anhydrous CH2CI2 (3 mL) was added 1-oxide thiomorpholine hydrochloride (45.6 mg, 0.293 mmol, 2.0 eq) and sodium acetate (24.0 mg, 0.293 mmol, 2.0 eq) and the resulting suspension was stirred at 42 C for 6 h. After cooling to rt, NaBH(OAc)3(62.1 mg, 0.293 mmol, 2.0 eq) was added and the reaction mixture was stirred at rt for 16 h. Additional portions of sodium acetate (12.0 mg, 0.147 mmol, 1.0 eq), 1-oxide thiomorpholine hydrochloride (22.8 mg, 0.147 mmol, 1.0 eq) and NaBH(OAc)3 (31.1 mg, 0.147 mmol, 1.0 eq) were added and the reaction was stirred at 40C for 18 h. Upon cooling to rt, the reaction was quenched with 1 Maqueous NaOH (5 mL) then poured into H20 (15 mL) and extracted with CH2CI2(3 x 15 mL). The combined organic extracts were concentrated in vacuo andpurified by silica gel chromatography using EtOAc/MeOH (1 :0-13:1). The productwas re-dissolved in CH2CI2/MeOH (4:1, 10 mL) and swirled with MP-TMT resin(157 mg, 0.173 mmol) at rt overnight. The solution was filtered and the resinwashed with CH2CI2/MeOH (4:1, 100 mL). The filtrate was concentrated in vacuoand purified a second time by silica gel column chromatography with CH2CI2/MeOH (1:0-12:1) to yield Example S as a white solid (37.6 mg, 45%).1H NMR (300MHz, DMSO-d5) oH. 12.47 (5, 1H), 8.54-8.67 (m, 2H), 8.28 (dd, J=7.4, 0.8 Hz, 1H), 7.98 (5, 1H), 7.64 (d, J=8.1 Hz, 1H), 7.40-7.52 (m, 1H), 4.08-4.19 (m, 4H), 3.81-3.92 (m, 6H), 2.86-3.02 (m, 4H), 2.68-2.80 (m, 4H).19F NMR (282MHz, DMSO-d5) 0F. -58.8 (5, 3F).MS (ESj 571.0 (100%, [M+H]j.

The important role of 76176-87-9

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 76176-87-9, we look forward to future research findings about .

Some tips on 76176-87-9

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 76176-87-9, we look forward to future research findings about .

To a solution of thiomorpholine 1-oxide hydrochloride (140 mg) and triethylamine (0.125 mL) in N,N-dimethylformamide (15 mL) were added [2-(7-methyl-5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-1H-indol-2-yl)-4,5-dihydro-1,3-thiazol-5-yl]acetic acid (200 mg), 1-hydroxybenzotriazole (121 mg) and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (172 mg) under ice-cooling, and the mixture was stirred under ice-cooling and then at room temperature for 15 hr. Water was added to the reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was washed with aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, filtered and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography (ethyl acetate:methanol = 100:0 to 75:25, volume ratio), and the obtained pale-yellow crystals were recrystallized from ethyl acetate-hexane to give the title compound (104 mg, yield 42%) as colorless crystals. melting point 157-160C. MS 547 (MH+).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 76176-87-9, we look forward to future research findings about .

Reference£º
Patent; Takeda Pharmaceutical Company Limited; EP2371826; (2011); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

Some tips on Thiomorpholine-1-oxide hydrochloride

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 76176-87-9, we look forward to future research findings about .