Simple exploration of 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

59878-57-8, The active amide intermediate prepared in step 1 was dissolved in 10 ml of methylene chloride,The solution was cooled to 0 to 10 C and then added dropwise to a solution of 1-cyclopropylcarbamoylpiperazine (2.62 g, 17 mmol) and triethylamine (7.1 ml, 51 mmol) in 20 ml of dichloromethane for 1.5 hours at 0 to 10 C , Washed with 30 ml of water 3 times, the organic layer concentrated dry, add ethanol – water mixture (1: 2, v / v) 50 ml,And the filtrate was stirred at 0-5 C for 10 hours. The filtrate was filtered and dried to obtain 6.8 g of orapani. The yield was 92.0% and the purity was 99.87%.

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Shanghai Jin – yin Biological Technology Co., Ltd; Yang, Yinghua; Ji, Ye; Chen, Fangfang; Dai, Yi; (10 pag.)CN105503739; (2016); A;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Simple exploration of 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Example 128 4-Amino-2-[4-(cyclopropylcarbonyl)-1-piperazinyl]-6,7-dimethoxyquinazoline N-(Cyclopropylcarbonyl)piperazine (3.08 g., 0.02 mole) and 2-chloro-4-amino-6,7-dimethoxyquinazoline (4.74 g., 0.02 mole) are reacted according to the procedure of Example 127(a). The crude product crystallized from ethanol affords analytically pure 4-amino-2-[4-(cyclopropylcarbonyl)-1-piperazinyl]-6,7-dimethoxyquinazoline, m.p. 283.5 C. (corr.). Analysis, Calcd. for C18H23N5O3 (percent): C, 60.49; H, 6.49; N, 19.59. Found (percent): C, 60.56; H, 6.46; N, 19.41., 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Cell Pathways, Inc.; US6262059; (2001); B1;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Simple exploration of 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,59878-57-8

General procedure: To a solution of 14 (200 mg, 0.63 mmol) in DMA (60 mL), HOBt(170 mg, 1.26 mmol), EDCI (242 mg, 1.26 mmol), and DIPEA(0.208 mL, 1.26 mmol) and then the corresponding piperazine wereadded, and the mixture was stirred overnight. Water (10 mL) wasadded to the mixture, which was stirred for an additional 1 h. Then,the mixture was extracted with ethyl acetate (50 mL x 3). Thecombined organic layers were washed with brine, dried overanhydrous sodium sulfate and concentrated to give the crudeproduct, which was purified by column chromatography to affordthe corresponding compounds in good yields.

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Chen, Wenhua; Guo, Ne; Qi, Minghui; Dai, Haiying; Hong, Minghuang; Guan, Longfei; Huan, Xiajuan; Song, Shanshan; He, Jinxue; Wang, Yingqing; Xi, Yong; Yang, Xinying; Shen, Yanyan; Su, Yi; Sun, Yiming; Gao, Yinglei; Chen, Yi; Ding, Jian; Tang, Yun; Ren, Guobin; Miao, Zehong; Li, Jian; European Journal of Medicinal Chemistry; vol. 138; (2017); p. 514 – 531;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Analyzing the synthesis route of 59878-57-8

As the paragraph descriping shows that 59878-57-8 is playing an increasingly important role.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.59878-57-8,1-(Cyclopropylcarbonyl)piperazine,as a common compound, the synthetic route is as follows.,59878-57-8

(4-fluoro-3-carboxybenzyl) thieno [2,3-D] pyrimidine-2,4 (1H, 3H) -dione (0.21 g, 0.66 mmol), tripyrrolidinium bromide phosphonium hexafluorophosphate (PyBrOP, 0.46 g, 0.99 mmol), 1-cyclopropanecarbonylpiperazine (0.1 g, 0.66 mmol), N, N-diisopropylethylamine (DIPEA, 0.17 g, 1.32 mmol), Dichloromethane (5 mL) was added to the reaction flask and stirred at room temperature overnight. The reaction solution was added with methylene chloride (5 mL) Water (5 mL), extracted and the organic layer washed with water (3 mL), dried, filtered and concentrated to give the crude product. The crude product was purified by silica gel column chromatography (mobile phase CH2Cl2 / CH3OH 50/1) The final product, 1- (4-fluoro-3- (4-cyclopropylcarbonylpiperazine- 1 -carbonyl) benzyl) thieno [2,3- D] pyrimidine-2,4 (1H, 3H) dione (I-2), a white solid (0.19 g, yield 63.3%),

As the paragraph descriping shows that 59878-57-8 is playing an increasingly important role.

Reference£º
Patent; Shanghai Xunhe Pharmaceutical Technology Co., Ltd.; Zheng Yongyong; Jin Hua; Zhou Feng; Huang Meihua; Meng Xin; (28 pag.)CN107286174; (2017); A;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Downstream synthetic route of 59878-57-8

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various fields.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Example 15 1-Cyclopropylcarbonyl-4-(6-methoxy-indan-1-yl)piperazine An intimate mixture of 6-methoxy-1-indanone (1.6 g, 10 mmol), 1-cyclopropanecarbonylpiperazine (1.5 g, 10 mmol) and titanium(IV) isopropoxide (4 mL, 12 mmol) was heated on the steam bath for 10 minutes. Additional titanium isopropoxide (1 mL, 3 mmol) was added and the mixture stirred for 20 hr. The material was dissolved in ethanol and sodium borohydride added (0.9 g, 22 mmol). After stirring for 1 hr the solution was heated to reflux and more sodium borohydride (0.9 g, 22 mmol) added. When solution had occurred 15% NaOH solution (50 mL) was added. The insoluble material was removed and discarded. The solution was concentrated in vacuo and the residue mixed with ether. The mixture was washed with water and 1N HCl solution. The acid washes were made basic and the mixture was extracted with ether to give the product as an oil which was converted to the fumarate salt and crystallized from acetone to give the salt (1.8 g)., 59878-57-8

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various fields.

Reference£º
Patent; Bristol-Myers Squibb Company; US5780470; (1998); A;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Downstream synthetic route of 59878-57-8

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various fields.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

200 mg of intermediate VIII was dissolved5 ml of N, N-dimethylacetamide,To the system was added 454 mul of N, N-diisopropylethylamine,360 mg of benzotriazole-N, N, N ‘, N’-tetramethyluronium hexafluorophosphate,Stir added 107.27 mg of 1-cyclopropylmethyl-formyl piperazine,After 24 hours of reaction at room temperature,The reaction was stopped, water was added to the system and extracted with methylene chloride. The organic layer was subjected to column chromatography to give 85.8 mg (I-1) as a white solid in 30% yield., 59878-57-8

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various fields.

Reference£º
Patent; East China University of Science and Technology; Shanghai Institute of Materia Medica Chinese Academy of Sciences; Li, Jian; Miao, Zehong; Ding, Jian; Jiang, Hualiang; Liu, Yunxia; Huan, Xiajuan; Song, Shanshan; Chen, Yi; Ren, Guobin; (46 pag.)CN104003940; (2017); B;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Downstream synthetic route of 59878-57-8

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

A mixture of (S) – 4 – (2-hydroxy-1-phenyl-ethylamine) – 5-methyl-pyrrolo [2,1-f] [1, 2, 4] triazine-6-carboxylic acid (100 mg, 0 . 32mmol) and 1-cyclopropanecarboxylic formyl piperazine (74 mg, 0 . 48mmol) dissolved in N, N-dimethyl formamide (8 ml) in, then add 1-hydroxy benzotriazole (52 mg, 0 . 39mmol), 1-ethyl-3 – (3-dimethylamino-propyl) carbodiimide hydrochloride (74 mg, 0 . 39mmol) and triethylamine (98 mg, 0 . 96mmol), stirring the mixture at room temperature until the TLC reaction monitoring raw material the reaction is complete, to be added in to the reaction solution (100 ml), ethyl acetate (50 ml ¡Á 3) extraction, then by saturated sodium chloride solution (100 ml ¡Á 2) washing, the organic phase is dried with anhydrous sodium sulfate, concentrated under reduced pressure, the resulting residue is purified with silica gel column chromatography, to obtain (S) – (4-cyclopropyl carbonyl-piperazine-1-yl) – [4 – (2-hydroxy-1-phenyl-ethylamine) – 5-methyl-pyrrolo [2,1-f] [1, 2, 4] triazin-6-yl]-methyl ketone (99 mg, white solid), yield: 69.0%.

59878-57-8 1-(Cyclopropylcarbonyl)piperazine 2064235, apiperazines compound, is more and more widely used in various.

Reference£º
Patent; SHANGHAI CDYMAX PHARMACEUTICALS CO LTD; An, XiaoXia; Bie, PingYan; Yang, wuli; Liu, Jun; (49 pag.)CN103848833; (2016); B;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Analyzing the synthesis route of 59878-57-8

As the paragraph descriping shows that 59878-57-8 is playing an increasingly important role.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.59878-57-8,1-(Cyclopropylcarbonyl)piperazine,as a common compound, the synthetic route is as follows.

General procedure: To a solution of acid (0.33mmol) in DMF (2mL), diisopropylethylamine (0.33mmol) and HATU (0.33mmol) were added. The mixture was left 33h stirring at room temperature and then the appropriate amine (0.45mmol) was added. After 16h at room temperature the solvent was removed under reduced pressure; the residue was dissolved in 2mL of DCM and washed with 2mL of 0.4N Na2CO3 solution. The organic layer was separated, dried over Na2SO4 and the solvent removed under reduced pressure.

As the paragraph descriping shows that 59878-57-8 is playing an increasingly important role.

Reference£º
Article; Nencini, Arianna; Pratelli, Carmela; Quinn, Joanna M.; Salerno, Massimiliano; Tunici, Patrizia; De Robertis, Alessandra; Valensin, Silvia; Mennillo, Federica; Rossi, Marco; Bakker, Annette; Benicchi, Tiziana; Cappelli, Federico; Turlizzi, Elisa; Nibbio, Martina; Caradonna, Nicola P.; Zanelli, Ugo; Andreini, Matteo; Magnani, Matteo; Varrone, Maurizio; European Journal of Medicinal Chemistry; vol. 95; (2015); p. 526 – 545;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Some tips on 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.59878-57-8,1-(Cyclopropylcarbonyl)piperazine,as a common compound, the synthetic route is as follows.

[5681 ] 3-(2-bromoethyl)- l-(4-(5-(difluoromethyl)-1 ,4-oxadiazol-2-y )-2-fluorobenzyl)- l-p henylurea (0.050 g, 0.107 mmol) and cyclopropyl(piperazin- l-yl)methanone (0.018 g, 0.1 17 mmol) were mixed at the room temperature in acetonitrile ( 1 mL) and then stirred at 100 C for 18 hr and cooled down to the room temperature to terminate the reaction. Then, water was added to the reaction mixture, followed by extraction with dichloromethane. The bi-phasic mixture was passed through a plastic frit to remove the solid residues and aqueous layer, and the organic layer collected was concentrated in vacuo. The concentrate was purified and concentrated by column chromatography (Si02 plate, 20x20x 1 mm; methanol / dichloromethane = 10 %) to give 3-(2-(4-(cyclopropanecarbonyl)piperazin-l -yl)ethyl)-l-(4-(5-(difluoromethyl)- l ,3,4-ox adiazol-2-yl)-2-fluorobenzyl)- l -phenylurea as white foam (0.024 g, 41.5 %). [5682] NMR (700 MHz, CDC13) delta 7.89 (dd, 1 H, J = 8.0, 1.7 Hz), 7.75 – 7.68 (m, 2H), 7.43 – 7.38 (m, 2H), 7.37 – 7.31 (m, 1 H), 7.21 – 7.16 (m, 2H), 6.93 (t, 1 H, 7 = 51.7 Hz), 5.06 (s, 3H), 3.44 (d, 4H, J = 34.7 Hz), 3.34 (q, 2H, J = 5.7 Hz), 2.45 (t, 2H, J = 6.0 Hz), 2.39 (s, 2H), 2.32 (s, 2H), 1.03 – 0.94 (m, 2H), 0.80 – 0.72 (m, 2H); LRMS (ES) m/z 543.3 (M+ + 1 ).

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; CHONG KUN DANG PHARMACEUTICAL CORP.; LEE, Jaekwang; KIM, Yuntae; LEE, Chang Sik; SONG, Hyeseung; GWAK, Dal-Yong; LEE, Jaeyoung; OH, Jung Taek; LEE, Chang Gon; KIM, II Hyang; (1041 pag.)WO2017/23133; (2017); A2;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics

Simple exploration of 59878-57-8

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

59878-57-8, 1-(Cyclopropylcarbonyl)piperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

In a 200 mL reaction flask, ethyl 2-(2-(4-fluoro-3-carboxyphenyl)acetyl)benzoate (Formula I, R=Et) (5 g, 15.14 mmol)And acetonitrile (100mL), after the addition is completed, the system is stirred until the system is dissolved.Additional 1-cyclopropyl-formylpiperazine (2.57 g, 16.67 mmol) and EDCI (3.50 g, 18.31 mmol) were added.Subsequently, DIPEA (2.40 g, 18.5 mmol) was added dropwise to the system, and the reaction temperature was controlled to be no higher than 35 C during the dropwise addition.After the addition was completed, the system was kept at 30 ¡À 5 C overnight. After the reaction is completed, the system removes the solvent under high vacuum.Ethyl acetate (150 mL) and H 2O (150 mL) were directly added to the residue, and the mixture was stirred, and the organic phase was separated.The aqueous phase was extracted twice with ethyl acetate (2¡Á100 mL), and the organic phase was combined.The residue was purified by column chromatography (ethyl acetate / n-heptane = 5 / 1-2 / 1) to give a pale yellow solid (formula IV, R = Et) (6.02g, 85.2%).

The synthetic route of 59878-57-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Jiangsu Jun Ruo Pharmaceutical Co., Ltd.; Haimen Baikang Bio-pharmaceutical Co., Ltd.; Nanjing Jun Ruo Bio-pharmaceutical Institute Co., Ltd.; Wei Wanguo; Xu Zichen; Fang Xianjie; Zhu Xinlei; Liu Rufeng; Yi Mingyue; Zhou Chenglong; Liu Jie; Song Yaojie; (7 pag.)CN110078671; (2019); A;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics