Tag: M.W:200-300

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. 134676-67-8, name is N-Boc-2-thiomorpholinecarboxylic Acid. This compound has unique chemical properties. The synthetic route is as follows. 134676-67-8

4-(tert-butoxycarbonyl)thiomorpholine-2-carboxylic acid (2.47 g, 10 mmol) and HOBt (1.62 g, 12 mmol) were dissolved in DMF (20 mL), and EDCl (2.11 g, 11 mmol) was added. The reaction mixture was stirred for 1 hour, and 25% aqueous ammonia (5 mL) was added, and the reaction was stirred for another 2 hours. The reaction was then diluted with EtOAc (200 mL) and partitioned with water (100 mL). The organic layer was washed with saturated aq. NaHCO3 (2*100 mL), and then dried with Na2SO4. The solvent was removed in vacuo to afford title compound as white solid 2.46 g. MS (m/z): 147 (M+H-Boc)+

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 134676-67-8, we look forward to future research findings about .

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Patent; HUTCHISON MEDIPHARMA LIMITED; Su, Wei-Guo; Deng, Wei; Ji, Jianguo; US2014/121200; (2014); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 134676-67-8, name is N-Boc-2-thiomorpholinecarboxylic Acid. This compound has unique chemical properties. The synthetic route is as follows. 134676-67-8

4-(tert-butoxycarbonyl)thiomorpholine-2-carboxylic acid (2.47 g, 10 mmol) and HOBt (1.62 g, 12 mmol) were dissolved in DMF (20 mL), and EDCl (2.11 g, 11 mmol) was added. The reaction mixture was stirred for 1 hour, and 25% aqueous ammonia (5 mL) was added, and the reaction was stirred for another 2 hours. The reaction was then diluted with EtOAc (200 mL) and partitioned with water (100 mL). The organic layer was washed with saturated aq. NaHCO3 (2*100 mL), and then dried with Na2SO4. The solvent was removed in vacuo to afford title compound as white solid 2.46 g. MS (m/z): 147 (M+H-Boc)+, 134676-67-8

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 134676-67-8, we look forward to future research findings about .

Reference£º
Patent; HUTCHISON MEDIPHARMA LIMITED; Su, Wei-Guo; Deng, Wei; Ji, Jianguo; US2014/121200; (2014); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 114525-81-4, name is (R)-4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid. This compound has unique chemical properties. The synthetic route is as follows. 114525-81-4

Referring to Scheme 5-2, a mixture of compound 17 (667 mg, 2.4 mmol), (R)-N-Boc-thiomorpholine-3-carboxylic acid (594 mg, 2.4 mmol) and Et3N (486 mg, 4.8 mmol) in EtOAc (20 mL) was stirred at rt for 2h. Subsequently, the reaction mixture was concentrated and the residue was dried in vacuo to give crude compound 19, which was used for the next step without further purification. LC-MS (ESI): m/z 466.0 (M+Na)+., 114525-81-4

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 114525-81-4, we look forward to future research findings about .

Reference£º
Patent; PRESIDIO PHARMACEUTICALS, INC.; LI, Leping; ZHONG, Min; WO2011/150243; (2011); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid, 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., 128453-98-5

Boc protected thiomorpholine carboxylic acid (3.1g, 13mmol), HOBt (2.1g, 16mmol) and EDCI hydrochloride (3.7g, 20mmol) dissolved in DMF(20ml) was added 28% of ammonium hydroxide solution (4.5g, 130mmol) at RT. After 4h, the reaction mixture was poured into saturated water solution of NaHCO3 and diluted with EtOAc, washed with sat’d NaHCO3 and brine. The organic layer was dried (Na2S04) and concentrated. The crude product was purified by flash chromatography on silica gel with EA/Hex to give .23g of amide. 1H-NMR (400 MHz, CDCI3j delta 5.2 (d, 1 H),6.15 (br., 1 H), 5.68 (br., 1 H), 5.02(br., 1 H), 4.25 (br., 1 H), 3.16(d, 1 H), 2.8 (m, 1 H), 2.7 (t, 1 H), 2.4 (d, 1 H), 1.47 (s, 9H).

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. 128453-98-5. We look forward to the emergence of more reaction modes in the future.

Reference£º
Patent; GILEAD SCIENCES, INC.; CAI, Zhenhong, R.; DU, Zhimin; JI, Mingzhe; JIN, Haolun; KIM, Choung, U.; MISH, Michael, R.; PHILLIPS, Barton, W.; PYUN, Hyung-jung; SHENG, Xiaoning, C.; WU, Qiaoyin; ZONTE, Catalin, Sebastian; WO2011/156610; (2011); A2;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 128453-98-5, name is 4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid. A new synthetic method of this compound is introduced below. 128453-98-5

INTERMEDIATE 55: 1, 1-DIOXO-LA6-THIOMORPHOLINE-3, 4- dicarboxylic acid 4-TERT-BUTYL ester [00193] Thiomorpholine-3,4-dicarboxylic acid 4-tert-butyl ester (120 mg, 0.485 mmol) was dissolved in ET20 (8 ML). To the solution was added MCPBA (172 mg, 0.994 mmol), followed later by a second portion of MCPBA (84 mg, 0.485 mmol). The precipitate which formed was filtered, washed with Et20 and dried to yield a white solid of 1, 1- DIOXO-LA6-THIOMORPHOLINE-3, 4-dicarboxylic acid 4-tert-butyl ester (74 mg).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 128453-98-5, we look forward to future research findings about .

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Patent; MILLENIUM PHARMACEUTICALS, INC.; WO2004/92167; (2004); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 134676-67-8, name is N-Boc-2-thiomorpholinecarboxylic Acid. This compound has unique chemical properties. The synthetic route is as follows. 134676-67-8

8.1.6) fe/f-Butyl 2-(hvdroxymethyl)thiomorpholine-4-carboxylate. Thiomorpholine-2,4-dicarboxylic acid 4-te/f-butyl ester (0.20 g, 0.809 mmol) was suspended in THF (15 mL) and cooled to 4C. Then, lithium aluminum hydride (92 mg, 2.43 mmol) was added in small portions. The reaction mixture was allowed to warm up to room temperature overnight. Next day, The reaction was quenched by addition of saturated Na2SO4 solution (2 mL) and EtOAc (22 mL). The reaction mixture was stirred overnight and filtered over dicalite. The filtrate was evaporated till dryness and the crude product was purified by column chromatography (SiO2, heptane/EtOAc; 100% heptane to 40% EtOAc as mobile phase) to give the title compound in 48% yield (91 mg, 0.39 mmol).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 134676-67-8, we look forward to future research findings about .

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Patent; N.V. ORGANON; PHARMACOPEIA, LLC; WO2009/124965; (2009); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 128453-98-5, name is 4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid. This compound has unique chemical properties. The synthetic route is as follows. 128453-98-5

To a solution of 4-N-Boc-3-thiomorpholinecarboxylic acid (2.09 g, 8.44 mmol) in methanol (84 ml_) was added HCI (4.0 M in dioxane; 1.07 ml_, 4.28 mmol). The resulting reaction mixture was heated at reflux for 20 hours, cooled, and concentrated in vacuo. The solid residue was dissolved in THF/CH2CI2 (50/30 ml_) and LiBH4 (2.0 M in THF) (10 ml_, 20.0 mmol) was added dropwise over 10 minutes. The reaction mixture was stirred for 5 days before being quenched with slow addition of methanol (-80 ml_). After concentration in vacuo, the residue was dissolved in CH2CI2 and washed with 1 N HCI and brine. The organic layer was dried over Na2SO4, filtered, and concentrated to afford 1.27 g of crude product: 1 H NMR (400 MHz, CDCI3-C/) delta ppm 4.31 (s, 1 H) 4.06 – 4.18 (m, 1 H) 3.69 – 3.75 (m, 1 H) 3.60 – 3.67 (m, 1 H) 3.40 (d, J=13.89 Hz, 1 H) 3.33 (d, J=19.20 Hz, 1 H) 2.72 – 2.84 (m, 2 H) 2.27 (d, J= 12.63 Hz, 1 H) 1.44 – 1.54 (m, 10 H).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 128453-98-5, we look forward to future research findings about .

Reference£º
Patent; SMITHKLINE BEECHAM CORPORATION; WO2007/98393; (2007); A2;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 114525-81-4, name is (R)-4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid. This compound has unique chemical properties. The synthetic route is as follows. 114525-81-4

(Scheme F, F-3: where RF-1 and RF-2 are the same and equal to proton, RF-3 is CH3, R5 is 4-[(2,6-dichlorobenzoyl)amino]phenyl and stereochemistry is (R,S)). [C00175] [00415] To a cooled (0 C.) solution of Boc-L-thiomorpholine-3-carboxylic acid ((a) Van Der Auwera, C.; Anteunis, M. J. O. Iit. J. Peptide Protein Res. 1987, 29, 574: (b) Kogami, Y.; Okawa, K. Bull. Chem. Soc. Jpn. 1987, 60, 2963: (c) Larsson U.; Carlson R. ACTA Chemica. Scand. 1994, 48, 517: (d) Carson J. F.; Wong F. F. J. Org. Chem. 1964, 29, 2203.) (Scheme F, F-1: where RF-1 and RF-2 are the same and equal to proton and stereochemistry is (R)) (6.7 g, 27 mmol) in CH2Cl2 (100 mL) was added HOBt (4.0 g, 29.7 mmol), DMAP (700 mg), EDC (5.7 g, 29.7 mmol) and triethylamine (13.5 mL, 97 mmol). The reaction mixture was stirred for 10 min, then the amino acid derivative F-2 (Scheme F, where R5 is 4-[(2,6-dichlorobenzoyl)amino]phenyl, RF-3 is CH3, and stereochemistry is (S)) (10.0 g, 24.7 mmol) was added. After 20 h, volatiles were removed in vacuo and the residue partitioned between 2.5% aqueous HCl (100 mL) and H2O (100 mL). The organic layer was separated and washed saturated aqueous NaHCO3 (100 mL), dried and concentrated in vacuo. Purification of the residue by chromatography on SiO2 (500 g) using CH2Cl2/ethyl acetate (10%) as eluent afforded the title compound (12.31 g) as a solid: 1H NMR (CDCl3) delta 1.44 (9H), 2.35 (1H), 2.70 (3H), 3.13 (2H), 3.33 (1H), 3.77 (3H), 4.22 (1H), 5.00 (1H), 6.48 (1H), 7.18 (2H), 7.31 (3H), 7.44 (1H), 7.56 (2H); 13C NMR (CDCl3) delta 171.6, 168.9, 162.5, 136.5, 135.9, 132.4, 131.0, 130.2, 128.2, 120.5, 81.7, 77.3, 53.3, 52.6, 37.0, 28.2, 26.5; IR (mull) 3296, 2924, 1744, 1685, 1668, 1605, 1536, 1515, 1432, 1412, 1321, 1294, 1260, 1244, 1213, 1195, 1161, 798 cm-1; MS (FAB) m/z (rel. intensity) 598 (M+H, 3), 596 (M+H, 5), Anal. Calcd for C27H31Cl2N3O6S: C, 54.36; H, 5.24; N, 7.04. Found: C, 54.23; H, 5.24; N, 6.86. Corrected for 0.60% H2O, found by Karl Fischer analysis.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 114525-81-4, we look forward to future research findings about .

Reference£º
Patent; Pharmacia & Upjohn Company; Tanabe Seiyaku Co., Ltd.; US6685617; (2004); B1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 134676-67-8, name is N-Boc-2-thiomorpholinecarboxylic Acid. This compound has unique chemical properties. The synthetic route is as follows. 134676-67-8

[00227] To a solution of 4-(tert-butoxycarbonyl)thiomorpholine-2-carboxylic acid (300 mg, 1.2 mmol) in THF (6 ml) was dded 4-chloroaniline (170 mg, 1.3 mmol), N-(3- dimethylaminopropyl)-N ?-ethylcarbodiimide hydrochloride (350 mg, 1.8 mmol), N,Ndiisopropylethylamine (0.64 ml, 3.6 mmol), and 4 N,N-diisopropylethylamine (29 mg, 0.24 mmol). The reaction stuffed overnight at room temperature. The reaction was poured into ethyl acetate, and washed with iN HC1, saturated sodium bicarbonate solution and brine. The organic layer was dried over magnesium sulfate, filtered, and concentrated. The crude residue was purified by column chromatography eluting with 10-30% ethyl acetate in hexanes to give the title compound as a colorless gum (296 mg, yield 68%).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 134676-67-8, we look forward to future research findings about .

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Patent; THE REGENTS OF THE UNIVERSITY OF MICHIGAN; BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY; LARSEN, Scott, D.; NEUBIG, Richard; HAAK, Andrew; HUTCHINGS, Kim; RAJESWARAN, Walajapet; (156 pag.)WO2016/73847; (2016); A2;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

Name is (R)-4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid, as a common heterocyclic compound, it belongs to Thiomorpholine compound, and cas is 114525-81-4, its synthesis route is as follows.

Step a. Referring to Scheme 5-2, a mixture of compound 17 (667 mg, 2.4 mmol), (i^-N-Boc-thiomorpholine-S-carboxylic acid (594 mg, 2.4 mmol) and Et3N (486 mg, 4.8 mmol) in EtOAc (20 mL) was stirred at rt for 2h. Subsequently, the reaction mixture was concentrated and the residue was dried in vacuo to give crude compound 19, which was used for the next step without further purification. LC-MS (ESI): m/z 466.0 (M+Na)+.

114525-81-4, 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.,114525-81-4 ,(R)-4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; PRESIDIO PHARMACEUTICALS, INC.; LI, Leping; ZHONG, Min; WO2010/65668; (2010); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem