Category: thiazolidine

Name is 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid, as a common heterocyclic compound, it belongs to thiazolidine compound, and cas is 7025-19-6, its synthesis route is as follows.,7025-19-6

General procedure: To a solution of 1,3-diaryl-4-formylpyrazoles 4 (1.0 mmol) and rhodanine analogs 5 (1.0 mmol) in absolute ethanol (8.0 mL) was added drops of acetic acid and piperidine. The reaction mixture was stirred at 40-50 C, until the completion of the reaction as evidenced by TLC. After the solution was cooled, the resulting reaction mixture was ltered off and crude product was purified by 95% ethanol to afford pure products 6-29. The yield, melting point and spectral data of each compound are given below.

With the complex challenges of chemical substances, we look forward to future research findings about 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid

Reference£º
Article; Xu, Li-Li; Zheng, Chang-Ji; Sun, Liang-Peng; Miao, Jing; Piao, Hu-Ri; European Journal of Medicinal Chemistry; vol. 48; (2012); p. 174 – 178;,
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It is a common heterocyclic compound, the thiazolidine compound, 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid, cas is 7025-19-6 its synthesis route is as follows.,7025-19-6

General procedure: To a mixture of tetrazoloquinoline aldehyde 1a (1 mmol) and rhodanine 2a (1 mmol), 20 mol % [HDBU][HSO4] was added, and the mixture was heated on an oil bath at 80 C for 30 min. During the reaction process, the mixture was solidified and after completion of the reaction (monitored by TLC), the reaction was cooled to room temperature, water was added and stirred for 5 min. The solid obtained was removed by filtration and recrystallized from EtOH-DMF. The filtrate was dried under reduced pressure to recover ionic liquid and reused in subsequent cycles.

With the complex challenges of chemical substances, we look forward to future research findings about 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid

Reference£º
Article; Subhedar, Dnyaneshwar D.; Shaikh, Mubarak H.; Nawale, Laxman; Yeware, Amar; Sarkar, Dhiman; Khan, Firoz A. Kalam; Sangshetti, Jaiprakash N.; Shingate, Bapurao B.; Bioorganic and Medicinal Chemistry Letters; vol. 26; 9; (2016); p. 2278 – 2283;,
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Name is 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid, as a common heterocyclic compound, it belongs to thiazolidine compound, and cas is 7025-19-6, its synthesis route is as follows.,7025-19-6

General procedure: To a mixture of aldehyde (1.0 mmol), 3-(4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (205 mg,1.0 mmol) or 3-(2-(1H-tetrazol-5-yl)ethyl)-2-thioxothiazolidin-4-one (229 mg, 1.0 mmol) and NaOAc (820 mg, 10.0 mmol) was added acetic acid (5.0 mL). The reaction was allowed to stir at 105 C for 0.5h – 12h, then cooled to room temperature. To the reaction was added water (15mL). The resulting mixture was sonicated to give yellow-orange slurry. After filtration, the solid was washed with water (75 mL) and dried under high vacuum to yield the corresponding product as a red fine powder.

With the complex challenges of chemical substances, we look forward to future research findings about 3-(4-Oxo-2-thioxothiazolidin-3-yl)propanoic acid

Reference£º
Article; Liang, Dongdong; Robinson, Elizabeth; Hom, Kellie; Yu, Wenbo; Nguyen, Nam; Li, Yue; Zong, Qianshou; Wilks, Angela; Xue, Fengtian; Bioorganic and Medicinal Chemistry Letters; vol. 28; 6; (2018); p. 1024 – 1029;,
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As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO471,mainly used in chemical industry, its synthesis route is as follows.,19771-63-2

25(a) (4R)-N-(4-Hydroxybutyl)-2-oxothiazolidine-4-carboxamide Following a procedure similar to that described in Example 16(a), but using 1.2 g of (4R)-2-oxothiazolidine-4-carboxylic acid and 2.23 g of N-(4-hydroxybutyl)amine, 0.735 g of the title compound was obtained as colorless crystals, melting at 81-83 C. Nuclear Magnetic Resonance Spectrum (CDCl3 +hexadeuterated dimethyl sulfoxide) delta ppm:

With the synthetic route has been constantly updated, we look forward to future research findings about (R)-2-Oxothiazolidine-4-carboxylic acid,belong thiazolidine compound

Reference£º
Patent; Sankyo Company, Limited; US5298516; (1994); A;,
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As a common heterocyclic compound, it belongs to thiazolidine compound, name is 3-Aminorhodanine, and cas is 1438-16-0, its synthesis route is as follows.,1438-16-0

General procedure: A mixture of aminorhodanine (1 mmol), isatin (1 mmol) and 5 muL of acetic acid in 2mL of distilled ethanol was placed in a cylindrical quartz reactor (Phi = 4 cm). The reactor was introducedinto a monomode microwave (Anton Paar) apparatus, for 5 min at100 C and 50 Watts. The crude reaction mixture was allowed tocool down at room temperature and ethanol (10 mL) or mixture of H2O/EtOH (10 mL) was directly added in the cylindrical quartzreactor. The resulting precipitated product was filtered off and waspurified by recrystallization from ethanol if necessary.

With the complex challenges of chemical substances, we look forward to future research findings about 3-Aminorhodanine

Reference£º
Article; Khaldoun, Khadidja; Safer, Abdelmounaim; Boukabcha, Nourdine; Dege, Necmi; Ruchaud, Sandrine; Souab, Mohamed; Bach, Stephane; Chouaih, Abdelkader; Saidi-Besbes, Salima; Journal of Molecular Structure; vol. 1192; (2019); p. 82 – 90;,
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As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO343,mainly used in chemical industry, its synthesis route is as follows.,5908-62-3

Under a nitrogen atmosphere, a solution of 5-bromo-6-chloro- pyridine-2-carboxylic acid methyl ester (Example 9 c, lg, 4 mmol), isothiazolidine 1 , 1 -dioxide (730 mg, 06 mmol), copper(I) iodide (150 mg, 0.8 mmol), l ,3-di(pyridin-2-yl)propane-l ,3-dione (CAN 10198- 89-7, 180 mg, 0.8 mmol) and potassium carbonate (1.1 g, 8 mmol) in DMF (20 mL) was reacted for 24 h at 1 10C. The reaction mixture was poured into water, and extracted with ethyl acetate (3 x 50 mL). The combined organic extracts were washed with water and brine, dried over anhydrous sodium sulfate and evaporated. The residue was purified by column chromatography (silica gel, 4 g, 10% ethyl acetate in petroleum ether) to yield the title compound (0.048 g, 1.6 mmol, 41.4 %) as yellow solid; MS (EI): m/e = 291.0[M+Hf.

With the synthetic route has been constantly updated, we look forward to future research findings about 1,1-Dioxo-isothiazolidine,belong thiazolidine compound

Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; BISSANTZ, Caterina; GRETHER, Uwe; HEBEISEN, Paul; KIMBARA, Atsushi; LIU, Qingping; NETTEKOVEN, Matthias; PRUNOTTO, Marco; ROEVER, Stephan; ROGERS-EVANS, Mark; SCHULZ-GASCH, Tanja; ULLMER, Christoph; WANG, Zhiwei; YANG, Wulun; WO2012/168350; (2012); A1;,
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Name is Thiazolidine hydrochloride, as a common heterocyclic compound, it belongs to thiazolidine compound, and cas is 14446-47-0, its synthesis route is as follows.,14446-47-0

N-t-Butyloxycarbonylglutamine (2.0 g, 8.12 mmol) was dissolved in THF (5 mL) and cooled TO-15C. CAIBE (ISOBUTYLCHLOROFORMATE) (1.06 mL, 8.12 mmol) and 4- METHYLMORPHOLINE (0.895 mL, 8.12 mmol) were added and the solution stirred for 15 min, The formation of the mixed anhydride was checked by TLC (eluent: CHCL3/MEOH : 9/1). After warming to-10C another equivalent of 4-methylmorpholine (0.895 mL, 8.12 mmol) and THIAZOLIDINEHYDROCHLORIDE (1.02 g, 8. 12 mmol) was added. The mixture was brought to room temperature and stirred overnight. The sediment FORMED was filtered off and the solvent was evaporated. The resulting oil was taken up in chloroform (20 ml) and washed with a saturated solution of sodium hydrogensulfate followed by a saturated solution of sodium bicarbonate, water and brine. The organic layer was separated, dried and evaporated. The resulting product was checked for purity by TLC (eluent: CHC13/MEOH : 9/1). Yield: 1.64 g. A portion of this product (640 mg) was dissolved in 3.1 mL ice cold HCl in dioxane (12.98 M, 20 equivalents) and left on ice. The progress of the reaction was monitored by TLC (eluent: CHCL3/MEOH : 9/1). After completion of the reaction the solvent was removed and the resulting residue was taken up in methanol and evaporated again. The resulting oil was dried over phosphorous-V-oxide and triturated twice with diethylether to give the title compound (0.265 g). The purity was checked by HPLC. The identity of the reaction product was checked by NMR analysis.

With the complex challenges of chemical substances, we look forward to future research findings about Thiazolidine hydrochloride

Reference£º
Patent; PROSIDION LTD.; WO2005/20983; (2005); A2;,
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As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO331,mainly used in chemical industry, its synthesis route is as follows.,5908-62-3

A sealed tube was charged with 4-iodobenzonitrile (0.50 g, 2.2 mmol), 1 ,2-thiazolidine 1 , 1- dioxide (1.2 equiv.; 0.32 g, 2.6 mmol), dimethylethylenediamine (0.1 equiv., 0.23 mL, 0.22 mmol), cesium fluoride (2.5 equiv., 0.83 g, 5.47 mmol), copper iodide (0.05 equiv., 0.02 g, 0.10 mmol), tetrahydrofuran (4.7 mL) and the reaction contents were stirred at room temperature for 24 hours. The reaction contents were diluted with ethyl acetate and a saturated aqueous ammonium chloride solution. The layers were separated and the organic fraction was washed with water, dried over sodium sulfate, and concentrated under reduced pressure. The corresponding crude yellow oil (449 mg) was taken up in the next step without additional purification or characterization. (0600) NMR (400 MHz, CDCIs) delta ppm: 7.85 (d, 2H), 7.30 (d, 2H), 3.82 (t, 2H), 3.28 (t, 2H), 3.30 (m, 2H).

With the synthetic route has been constantly updated, we look forward to future research findings about 1,1-Dioxo-isothiazolidine,belong thiazolidine compound

Reference£º
Patent; SYNGENTA PARTICIPATIONS AG; HOFFMAN, Thomas, James; STIERLI, Daniel; POULIOT, Martin; BEAUDEGNIES, Renaud; (96 pag.)WO2017/93348; (2017); A1;,
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2-Cyanoimino-1,3-thiazolidine, cas is 26364-65-8, it is a common heterocyclic compound, the thiazolidine compound, its synthesis route is as follows.

General procedure: In a 100 ml three-necked flask equipped with a thermometer and an electromagnetic stir bar were added 0.01 mol of anhydrous K2CO3 powder, 0.01 mol of 2-nitroaniline,30 ml of acetone,A solution prepared by dissolving 0.01 mol of 1,3-dimethyl-4-pyrazolecarboxylic acid chloride in 20 ml of acetone was gradually added dropwise at low temperature (0 to 5 C), and the reaction was continued at room temperature for 10 hours. The reaction mixture was filtered under reduced pressure, and the resulting filtrate was decompressed to yield a crude product of compound Q110907. The crude product of compound Q110907 was recrystallized from acetonitrile to give the compound (Q110907) in a yield of 42.9%. Using Thiazoline-2-imino-cyanamide instead of 2-nitroaniline; Acetonitrile was used as the reaction solvent; reaction temperature was 45 ¡À 5 C; reaction time was 8 hours; toluene recrystallization, 26364-65-8

With the rapid development of chemical substances, we look forward to future research findings about 2-Cyanoimino-1,3-thiazolidine

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Patent; Qingdao Agricultural University; sun, Jia Long; (11 pag.)CN103524417; (2016); B;,
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Name is 3-Aminorhodanine, as a common heterocyclic compound, it belongs to thiazolidine compound, and cas is 1438-16-0, its synthesis route is as follows.,1438-16-0

General procedure: General procedure for synthesis of N-substituted-rhodanine derivatives RhAs: To a solution of aldehydes (3a-3h, 1.0 equiv.) in ethanol (10 mL) was added slowly to the solution of 3-amino-2-thioxothiazolidin-4-one (2, 1.0 equiv.) in EtOH. The reaction mixture was stirred at room temperature without a catalyst for between 4 h and 12 h, and was monitored by TLC. After, the mixture product was recrystallized from EtOH. After recrystallization, N-substituted-rhodanine derivatives (RhAs) were obtained as follows.

With the complex challenges of chemical substances, we look forward to future research findings about 3-Aminorhodanine

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Article; Bayindir; Caglayan, Cuneyt; Karaman, Muhammet; Guelcin, ?lhami; Bioorganic Chemistry; vol. 90; (2019);,
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