Day: October 23, 2020

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. 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 a solution of acid 1 (50 mg, 0.1 1 mmol) in DMF (1 mL) was added N- methylmorpholine (49 pL, 0.45 mmol) followed by PyBOP (87 mg, 0.17 mmol). The reaction mixture was stirred for 30 min at rt before addition of thiomorpholine-1 -oxide hydrochloride (35 mg, 0.22 mmol). After 3 h 30 min the reaction mixture was diluted with EtOAc (30 mL), washed with HCI solution (5%, 3 x 10 mL) and brine (10 mL), before being dried over MgS04, filtered and concentrated in vacuo. Purification by flash column chromatography with EtOAc/MeOH (1 :0 to 4:1 ) and subsequent trituration with Et20 afforded FU as pale beige solids (16 mg, 27%). (1390) LCMS (ES): Found 550.9 [M+Hf. (1391) 1H NMR (300 MHz, DMSO-cf6) d: 8.97 (d, J=1.5 Hz, 1 H), 8.86 (d, J=1.3 Hz, 1 H), (1392) 8.42 (dd, J=2.5, 1.4 Hz, 1 H), 8.33 (d, J=2.4 Hz, 1 H), 7.84 (d, J=1.5 Hz, 1 H), 7.75 (d, J=3.6 Hz, 1 H), 7.31 (d, J=3.8 Hz, 1 H), 5.76 (br s, 2H), 4.26-4.38 (m, 1 H), 3.79-3.93 (m, 1 H), 3.61 -3.76 (m, 1 H), 3.47-3.60 (m, 1 H), 2.82-3.05 (m, 3H), 2.71 -2.82 (m, 1 H). 19F NMR (282 MHz, DMSO-cf6) d: -64.80 (s, 3F).

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; KARUS THERAPEUTICS LIMITED; SHUTTLEWORTH, Stephen Joseph; GATLAND, Alice Elizabeth; FINNEMORE, Daniel John; ALEXANDER, Rikki Peter; SILVA, Franck; CECIL, Alexander; (233 pag.)WO2019/166824; (2019); 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. 39093-93-1, name is Thiomorpholine 1,1-dioxide. This compound has unique chemical properties. The synthetic route is as follows. 39093-93-1

Preparation 14 4-(4-bromobenzyl)thiomorpholine 1,1-dioxide A mixture of thiomorpholine 1,1-dioxide (270 mg, 2.0 mmol) in DMF (10 ml) was prepared at room temperature and sodium hydride (60 wt percent in oil, 96 mg, 2.40 mmol) added in one portion and the mixture stirred at room temperature for 1 h. 1-Bromo-4-(bromomethyl)benzene was then added in one portion and the mixture stirred overnight for 17.5 h under argon. The mixture was then quenched with saturated aqueous ammonium chloride solution (10 ml) and diluted with ethyl acetate (30 ml). The mixture was partitioned and the aqueous layer removed. The organic layers were then washed with 5percent aqueous lithium chloride solution (2*10 ml), brine (10 ml), dried over magnesium sulphate and the solvent removed under reduced pressure. The crude product was then purified by column (0-5percent methanol/dichloromethane) to afford 4-(4-bromobenzyl)thiomorpholine 1,1-dioxide as a colourless solid (283 mg, 0.93 mmol, 47percent). 1H NMR (500 MHz; CDCl3) delta 2.98 (brs, 4H), 3.06 (brs, 4H), 3.60 (s, 2H), 7.20 (d, 2H, J=8.1 Hz), 7.47 (d, 2H, J=8.3 Hz) ppm. Purity by LCMS (UV Chromatogram, 190-450 nm) 95percent, rt=5.0 min, m/z 306 (M+H)+

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 39093-93-1, we look forward to future research findings about .

Reference£º
Patent; Gilbert, Ian Hugh; Norcross, Neil; Baragana Ruibal, Beatriz; Porzelle, Achim; US2015/45354; (2015); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

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. 39093-93-1, name is Thiomorpholine 1,1-dioxide. 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. 39093-93-1

5-bromo-2-chloromethyl-pyridine (486mg, 2mmol) and thiomorpholine 1,1-dioxide (406mg, 3mmol) was dissolved in N, N- dimethylformamide (10ml) and then potassium carbonate (986mg, 7mmol), the reaction was stirred for 12 hours at room temperature, 100ml of water was added to the reaction mixture was cooled, (100ml * 3) and extracted with ethyl acetate, then with saturated sodium chloride solution (100ml * 2), dried the organic phase was dried over anhydrous magnesium sulfate filtered, and concentrated under reduced pressure to give 1- (5-bromo – pyridin-2-ylmethyl) – (1,1-dioxo – thiomorpholine) – piperazine (499 mg of the , white solid), yield: 81.8percent.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant. 39093-93-1, we look forward to future research findings about .

Reference£º
Patent; SHANGHAI CDYMAX PHARMACEUTICALS CO., LTD; An, Xiaoxia; Bie, Pingyan; Liu, Jun; Yang, Wuli; (42 pag.)CN103360407; (2016); B;,
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. 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, 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)

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; ASTRAZENECA AB; US2012/264731; (2012); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact.39093-93-1, Thiomorpholine 1,1-dioxide it is a common compound, a new synthetic route is introduced below., 39093-93-1

1,3-dibromobenzene (1.6g, 6.81mmol),thiomorpholine dioxide (300mg, 2.22mmol) BINAP (300mg, 0.48mmol), cesium carbonate (2.5g, 23.67mmol) and palladiumacetate (150mg) were dissolved in 10mL dry toluene in a 50mL single-neck flask. The reaction solution washeated to 90¡ãC under argon atmosphere and stirred for 18 hours. After completion of the reaction, the reaction solutionwas filtered, the filtrate was evaporated to dryness under reduced pressure, and the residue was purified by columnchromatography to give 90mg product, which was directly used in the next step.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 39093-93-1, and friends who are interested can also refer to it.

Reference£º
Patent; Shanghai Pharmaceuticals Holding Co., Ltd.; XIA, Guangxin; LI, Di; ZUO, Hongjian; WU, Guangsheng; DUAN, Lingjun; ZHANG, Jing; MAO, Yu; LIU, Yanjun; (152 pag.)EP3424928; (2019); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

Adding a certain compound to certain chemical reactions, such as: Thiomorpholine 1,1-dioxide, cas is 39093-93-1,the Thiomorpholine compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 39093-93-1,the Thiomorpholine, compound., 39093-93-1

To a solution of tert-butyl 4-((lR,3aR,5aR,5bR,7aR,l laS,l lbR,13aR,13bR)- 5a,5b,8,8,l la-pentamethyl-3a-(2-oxoethyl)-l-(prop-l-en-2-yl)- 2,3,3a,4,5,5a,5b,6,7,7a,8,l l,l la,l lb,12,13,13a,13b-octadecahydro-lH- cyclopenta[a]chrysen-9-yl)benzoate (50 mg, 0.082 mmol) in DCE (2 mL) was added acetic acid (0.014 mL, 0.245 mmol) and thiomorpholine 1,1-dioxide (25.4 mg, 0.188 mmol). The mixture became cloudy at first but turned into clear solution 10 min later. The mixture was stirred at RT for 2 hours. Sodium triacetoxyborohydride (86 mg, 0.408 mmol) was added, and the stirring was continued for 72 hours. The resulting mixture was diluted with saturated NaHCC (7 mL) and extracted with dichloromethane (3 x 7 mL). The combined organic layers were dried over anhydrous a2S04. The drying agent was removed by filtration and the filtrate was concentrated under reduced pressure. The crude product was purified on silica gel column, eluted with mixtures of hexane/acetone first, followed by MeOH/CLkCh to afford the title compound as a white solid (50 mg, 83percent). MS: m/e 732.73 (M+H)+, 3.01 min (method 6). NMR (400MHz, CHLOROFORM-d) delta 7.93 – 7.83 (m, 2H), 7.23 – 7.09 (m, 2H), 5.30 – 5.25 (m, 1H), 4.71 (d, J=2.0 Hz, 1H), 4.62 – 4.58 (m, 1H), 3.36 – 3.29 (m, 4H), 3.13 – 3.06 (m, 4H), 3.06 – 3.00 (m, 2H), 2.54 – 2.37 (m, 2H), 2.11 (dd, J=17.2, 6.4 Hz, 1H), 2.00 – 1.78 (m, 3H), 1.74 (m, 4H), 1.70 (s, 3H), 1.67 – 1.62 (m, 2H), 1.60 (s, 9H), 1.56 – 1.17 (m, 11H), 1.11 – 1.08 (m, 3H), 1.07 – 1.03 (m, 2H), 1.01 (s, 3H), 0.99 (s, 3H), 0.93 (s, 6H).

If you are interested in these compounds, 39093-93-1, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference£º
Patent; BRISTOL-MYERS SQUIBB COMPANY; SIT, Sing-Yuen; CHEN, Jie; CHEN, Yan; SWIDORSKI, Jacob; REGUEIRO-REN, Alicia; MEANWELL, Nicholas A.; (109 pag.)WO2016/77572; (2016); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact.76176-87-9, Thiomorpholine-1-oxide hydrochloride it is a common compound, a new synthetic route is introduced below., 76176-87-9

To Intermediate 6 (2.77 g, 8.7 mmol, 1 eq), 1AI-thiomorpholin-1-one hydrochloride (1.62 g, 10.4 mmol, 1.2 eq) and NaOAc (853 mg, 10.4 mmol, 1.2eq) in anhydrous CH2CI2 (200 mL) was added NaBH(OAc)3 (2.94 g, 13.9 mmol,1 .6 eq). The reaction mixture was stirred at rt overnight. Then, it was partitioned with 1 N NaOH (50 mL) and H20 (50 mL), and extracted with CH2CI2 (3 x 20 mL). The combined organic extracts were dried over MgSO4, filtered and the solvent was removed in vacuo. Purification by silica gel column chromatography withEtOAc/MeOH (1:0-9:1), then CH2CI2/MeOH (1:0-4:1) yielded Intermediate 8 asa white solid (2.48 g, 68%).1H NMR (300MHz, DMSO-d5) oH. 8.62 (d, J=2.lHz, 1H), 8.51 (d, J=2.3Hz, 1H),4.00 (m, 4H), 3.74-3.84 (m, 6H), 2.83-3.00 (m, 4H), 2.61-2.81 (m, 4H).MS (ESj 422.1 (100%, [M+H]j.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 76176-87-9, and friends who are interested can also refer to it.

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

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

Adding a certain compound to certain chemical reactions, such as: Thiomorpholine 1,1-dioxide, cas is 39093-93-1,the Thiomorpholine compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 39093-93-1,the Thiomorpholine, compound., 39093-93-1

To a mixture of 1-bromo-4- (bromomethyl) benzene (500 mg, 2.00 mmol) and thiomorpholine 1, 1-dioxide (513 mg, 2.99 mmol) was added THF (10 mL) and triethylamine (0.84 mL) in turn. After the mixture was stirred at rt for 15 h, the raw materail was consumed monitored by TLC. The reaction mixture was diluted with EtOAc (200 mL) and washed with saturated aqueous NaCl (50 mL) three times. The combined organic layers were concentrated in vacuo. The residue was purified by silica gel column chromatography eluted with PE/EtOAc (v/v) 3/1 to give a white solid product (310 mg, 50.9) .[0893]MS (ESI, pos. ion) m/z: 304.1 [M+1]+ and[0894]1H NMR (400 MHz, CDCl3) : delta (ppm) 7.46 (d, J 8.4 Hz, 2H) , 7.19 (d, J 8.4 Hz, 2H) , 3.59 (s, 2H) , 3.07-3.05 (m, 4H) , 2.98-2.95 (m, 4H)

If you are interested in these compounds, 39093-93-1, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference£º
Patent; SUNSHINE LAKE PHARMA CO., LTD.; LIU, Bing; ZHANG, Yingjun; CHENG, Changchung; HUANG, Jiuzhong; BAI, Shun; REN, Xingye; LI, Zhi; ZHOU, Youbai; (368 pag.)WO2016/615; (2016); A1;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem