Author: tianli

26364-65-8, 2-Cyanoimino-1,3-thiazolidine is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: Thiazolidin-2-ylidene-cyanamide (0.317 g, 2.50 mmol) inacetonitrile (20 mL) was dropwise added to a stirred solutionof substituted benzyl bromide (2.5 mmol) and 14 mL NaOHaqueous solution (1 M). The mixture is stirred at room temperaturefor 8-10 h. The soild was collected by filtration,washed with n-hexane and dried in vacuo. 3-(2-methylbenzyl)thiazolidin-2-ylidene-cyanamide (1)white solid, yield: 0.494 g (85.4%), m.p.: 115-16 C. 1HNMR (400 MHz, CDCl3):delta (ppm) 2.34 (s, 3H, CH3),3.32 (t,J = 7.6 Hz, 2H, NCH2),3.74 (t, 2H, J = 7.6 Hz, SCH2),4.57(s, 2H, CH2),7.14-7.19 (m, 2H, Ph). IR (KBr disc, cm-1):2918, w, nu(CH); 2182, s, 2160 sh, v(C?N); 1573, s, v(C=N).

26364-65-8 2-Cyanoimino-1,3-thiazolidine 3700797, athiazolidine compound, is more and more widely used in various.

Reference£º
Article; Jia, Ai-Quan; Ma, Sen; Wang, Jun-Ling; Zhang, Qian-Feng; Journal of Chemical Crystallography; (2020);,
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5908-62-3, 1,1-Dioxo-isothiazolidine is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of 2-((S)-3-((S)-1-(4-bromophenyl)ethyl)-2-oxo-6-phenyl-1,3-oxazinan-6-yl)ethyl-methanesulfonate (360 mg, 0.75 mmol) and K2CO3 (207 mg, 1.5 mmol) in acetonitrile (10 mL) was added isothiazolidine 1,1-dioxide (121 mg, 4.6 mmol), and the mixture was refluxed overnight. The mixture was filtered and the filtrate was concentrated to give the crude product, which was purified by preparative HPLC to afford compound (S)-3-((S)-1-(4-bromophenyl)ethyl)-6-(2-(1,1-dioxo-isothiazolidin-2-yl)ethyl)-6-phenyl-1,3-oxazinan-2-one (2.43 mg, 1%). LC-MS Method 2 tR=1.37 min, m/z=509, 507. 1H NMR (CDCl3): 1.48 (t, 3H), 2.05-2.41 (m, 7H), 2.71-2.92 (m, 2H), 3.11 (m, 3H), 3.21 (m, 2H), 5.58 (m, 1H), 6.73 (d, 2H), 7.18 (m, 1H), 7.23 (m, 3H); 7.35 (m, 3H).

The synthetic route of 5908-62-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Vitae Pharmaceuticals, Inc.; Boehringer Ingelheim International GmbH; US2010/331320; (2010); A1;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.5908-62-3,1,1-Dioxo-isothiazolidine,as a common compound, the synthetic route is as follows.

1,2-thiazolidine 1,1-dioxide (0.031 g, 0.259 mmol) in dimethylformamide (1 mL) was treated with 60% sodium hydride (0.012g, 0.518 mmol, 0.021 g of a 60%> in oil dispersion). The reaction mixture was stirred for 5 min. To this solution was added Example 41b (0.05 g, 0.086 mmol). The reaction mixture was stirred at room temperature for 2 hours. 2 N NaOH (1 mL) was added and the reaction mixture was heated at 65 C for 2 hours. After cooling to room temperature, the reaction mixture was partitioned between water and ethyl acetate. The aqueous layer was extracted with additional ethyl acetate twice. The combined organic layers were washed with brine, dried over MgSC^, filtered, and concentrated. The residue was purified by preparative HPLC (CI 8, 10-80% acetonitrile in 0.1% TFA water) to afford 0.025 g (64%) of the title compound. 1H NMR (500 MHz, DMSO-d6) delta 2.21-2.25 (m, 2H), 3.15 (t, J=6.97 Hz, 2H), 3.23-3.27 (m, 2H), 3.50 (s, 3H), 4.13 (s, 2H), 6.25-6.26 (m, 1H), 6.88 (d, J=7.63 Hz, 2H), 7.00 (d, J=8.54 Hz, 1H), 7.03-7.05 (m, 1H), 7.25-7.30 (m, 4H), 7.34 (dd, J=8.39, 2.29, 1H), 7.48 (d, J=2.44 Hz, 1H), 12.00 (s, 1 H). MS (ESI+) m/z 450.2 (M+H)+.

The synthetic route of 5908-62-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; ABBVIE INC.; ABBOTT LABORATORIES TRADING (SHANGHAI) COMPANY, LTD.; WANG, Le; PRATT, John K.; MCDANIEL, Keith F.; DAI, Yujia; FIDANZE, Steven D.; HASVOLD, Lisa; HOLMS, James H.; KATI, Warren M.; LIU, Dachun; MANTEI, Robert A.; MCCLELLAN, William J; SHEPPARD, George S.; WADA, Carol K.; WO2013/97601; (2013); A1;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

5908-62-3, 1,1-Dioxo-isothiazolidine is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

EXAMPLE 24; 3,3-Difluoro-cyclobutanecarboxylic Acid ((S)-3-{5-[2-(1,1-dioxo-1lambda6-isothiazolidin-2-yl)-4,6-dimethyl-pyrimidine-5-carbonyl]-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl}-1-phenyl-propyl)-amide (I-49); step 1-; A solution of isothiazolidine 1,1-dioxide (114, 40 mg, 0.33 mmol; CAS Reg No. 5908-62-3) in THF (0.4 mL) and DMF (0.4 mL) was treated with NaH (14 mg, 60% dispersion in mineral oil) and heated to 80 C. for 5 min before a solution of 84 (116 mg, 0.27 mmol) in DMF (1.6 mL) was added. The reaction mixture was stirred at 80 C. for 5 min, allowed to cool to RT, quenched by the addition of water, extracted with EtOAc, dried (Na2SO4) and concentrated in vacuo. The residue was purified by SiO2 column chromatography eluting with DCM:MeOH:NH4OH (60/10/1) to afford 115 mg (90%) of 115a.

5908-62-3 1,1-Dioxo-isothiazolidine 642157, athiazolidine compound, is more and more widely used in various.

Reference£º
Patent; Lemoine, Remy; Melville, Chris Richard; Rotstein, David Mark; Wanner, Jutta; US2007/191335; (2007); A1;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.7025-19-6,3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid,as a common compound, the synthetic route is as follows.

General procedure: The suspension of 2-thioxo-1,3-thiazolidin-4-one (0.01 mol) 1a-40a in ethanol (50 mL) was mixed under stirring with a solution of aldehyde (0.011 mol) 1b-40b followed by the addition 3 drops of piperidine under the reflux conditions. The resulting mixture was heated under reflux until complete disappearance of 2-thioxo-1,3-thiazolidin-4-one, TLC control CH3OH – EtOAc 1:9. The reaction mixture was diluted with water (75 mL) and filtrated. The solid residue was recrystallized from a mixture of IPA/DMF.

As the paragraph descriping shows that 7025-19-6 is playing an increasingly important role.

Reference£º
Article; Volynets, Galyna P.; Bdzhola, Volodymyr G.; Golub, Andriy G.; Synyugin, Anatoliy R.; Chekanov, Maksym A.; Kukharenko, Oleksandr P.; Yarmoluk, Sergiy M.; European Journal of Medicinal Chemistry; vol. 61; (2013); p. 104 – 115;,
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171877-39-7, (S)-4-Benzylthiazolidine-2-thione is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: Thiazolidine-2-thione 2 (2.5 mmol), benzyl chloride (317 mg, 2.5 mmol), and K2CO3(691 mg, 5 mmol) were dissolved in 10 mL of acetone. The resulting solution was refluxedfor 2-4 h under TLC monitoring and then was allowed to cool to r.t. and filtered. Afterremoval of the solvent, the crude product was obtained and purified by silica-gel columnchromatography with a mixture of petroleum ether and EtOAc (10:1, v/v) as eluent.

171877-39-7 (S)-4-Benzylthiazolidine-2-thione 11458470, athiazolidine compound, is more and more widely used in various.

Reference£º
Article; Chen, Ning; Du, Hongguang; Liu, Weidong; Wang, Shanshan; Li, Xinyao; Xu, Jiaxi; Phosphorus, Sulfur and Silicon and the Related Elements; vol. 190; 1; (2015); p. 112 – 122;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

7025-19-6, 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: The suspension of 2-thioxo-1,3-thiazolidin-4-one (0.01 mol) 1a-40a in ethanol (50 mL) was mixed under stirring with a solution of aldehyde (0.011 mol) 1b-40b followed by the addition 3 drops of piperidine under the reflux conditions. The resulting mixture was heated under reflux until complete disappearance of 2-thioxo-1,3-thiazolidin-4-one, TLC control CH3OH – EtOAc 1:9. The reaction mixture was diluted with water (75 mL) and filtrated. The solid residue was recrystallized from a mixture of IPA/DMF.

The synthetic route of 7025-19-6 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Volynets, Galyna P.; Bdzhola, Volodymyr G.; Golub, Andriy G.; Synyugin, Anatoliy R.; Chekanov, Maksym A.; Kukharenko, Oleksandr P.; Yarmoluk, Sergiy M.; European Journal of Medicinal Chemistry; vol. 61; (2013); p. 104 – 115;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.7025-19-6,3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid,as a common compound, the synthetic route is as follows.

General procedure: 0.005 mol of appropriate rhodanine-3-alkanoicacid, 5 g molecular sieves 4 A, 25 cm3 isopropyl alcohol,0.0055 mol appropriate aldehyde and 2.53 g (0.025 mol)triethylamine were placed in a flask. The mixture washeated under a reflux condenser for 5 h in nitrogen. Afterheating, the solution was filtered hot. The permeate wascooled and 50 cm3 of 2M hydrochloric acid solution wasadded. The resulting sediment was filtered using Buechnerfunnel and crystallised from isopropyl alcohol or glacialacetic acid.

As the paragraph descriping shows that 7025-19-6 is playing an increasingly important role.

Reference£º
Article; Tejchman, Waldemar; Korona-Glowniak, Izabela; Malm, Anna; Zylewski, Marek; Suder, Piotr; Medicinal Chemistry Research; vol. 26; 6; (2017); p. 1316 – 1324;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com

5908-62-3, 1,1-Dioxo-isothiazolidine is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a mixture of tert-butyl (6S)-3-iodo-6-methyl-6,7-dihydro-4H-pyrazolo[l,5-a]pyrazine- 5-carboxylate (intermediate 1-1, 100 mg, 0.28 mmol), 1,2-thiazolidine 1,1-dioxide (compound la, 50 mg, 0.41 mmol), trans-N,N’-dimethylcyclohexane-l,2-diamine (8 mg, 0.055 mmol) and Cul (10 mg, 0.055 mmol) in DMSO (5 mL) was added K2C03 (114 mg, 0.83 mmol). The reaction mixture was stirred at 100 C for 12 hours, and then concentrated under reduced pressure. The residue was purified by prep-HPLC to give tert-butyl (6S)-3-(l,l-dioxo-l,2-thiazolidin-2-yl)-6- methyl-6,7-dihydro-4H-pyrazolo[l,5-a]pyrazine-5-carboxylate (compound lb, 72 mg) as a yellow solid. MS obsd. (ESI+) [(M+H)+]: 357.

As the paragraph descriping shows that 5908-62-3 is playing an increasingly important role.

Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; HAN, Xingchun; LIN, Xianfeng; SHEN, Hong; HU, Taishan; ZHANG, Zhisen; (96 pag.)WO2018/11163; (2018); A1;,
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5908-62-3, 1,1-Dioxo-isothiazolidine is a thiazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Procedure E; [00215] To a sealed tube containing CuI (8mg, 0.039mmol), K2CO3 (0.2 Ig, 1.54 mmol) and (IS, 25)-cyclohexane-l,2-diamine (9mg, 0.077 mmol) under a N2 atmosphere was added a solution of 5-bromo-2-(naphthalene-2-yl)benzo[d]oxazole (0.25g, 0.77 mmol) in anhydrous toluene (2.5 mL), followed by a solution of isothiazolide-l,2-dioxide (0.12g, 0.96 mmol) in anhydrous toluene (2.5 mL). The resulting reaction mixture was heated to HO0C for 12h, cooled to room temperature, filtered over celite and concentrated under reduced pressure. The residue was purified by column chromatography eluting with petroleum ether/EtOAc (1/0 to 0/1, v/v), followed by a crystallisation from industrial methylated spirits to give 30mg (11%) of 5-(isothiazolidin-dioxide-2-yl)-2-(naphthalene-2-yl)benzo[d]oxazole. LCMS RT = 2.24 min, M+H+ 364.8. 1H NMR (D6-DMSO): 8.84 (IH, br s), 8.26 (IH, dd, J 1.6 &; 8.6), 8.20- 8.13 (2H, m), 8.06-8.03 (IH, m), 7.85 (IH, d, J 8.8), 7.70-7.63 (3H, m), 7.38 (IH, dd, J2.3 &; 8.9), 3.84 (2H, t, J6.5), 3.55 (2H, t, J7.3), 2.45 (2H, m).

As the paragraph descriping shows that 5908-62-3 is playing an increasingly important role.

Reference£º
Patent; BioMarin IGA, Ltd.; WREN, Stephen, Paul; WYNNE, Graham, Michael; WILSON, Francis, Xavier; POIGNANT, Severine, Danielle; WO2010/112093; (2010); A1;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com