Tag: 100361-18-0

The naphthyridine compound, cas is 100361-18-0 name is 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid, mainly used in chemical industry, its synthesis route is as follows.

A 40% solution of tetrabutylammonium hydroxide in water (15 ml, 23 mmol) was added to a mixture of 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (2.5 g, 8.8 mmol) and 4-amino-methyl-3-methoxyiminopyrrolidinium dimethanesulfonate (3.12 g, 9.3 mmol) in water (8 ml) at 20 – 25C and the mixture stirred for 24 hours. The resulting product was filtered and the cake washed with water (25 ml) followed by ethanol (25 ml) and dried under vacuum at 50C to give the title compound as a white solid (3.47 g). Characterising data were consistent with a standard sample of the title compound.

100361-18-0, As the rapid development of chemical substances, we look forward to future research findings about 100361-18-0

Reference£º
Patent; LG Life Sciences, Ltd.; EP1214321; (2004); B1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

100361-18-0, 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid is a naphthyridine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,100361-18-0

Acetonitrile (1900ml), 3-aminomethyl-4-methoxyiminopyrrolidine dimethanesulfonate (248. Og) and water (100ml) were in turn introduced into a reaction vessel and cooled to 0- 5&deg C. Benzaldehyde (97.6g) and triethylamine (229. 1g) were in turn added to the reaction mixture. After stirring the mixture for 0. 5h, 7-chloro-1-cyclopropyl-6-fluoro-1, 4- dihydro-4-oxo-1, 8-naphthyridine-3-carboxylic acid (200. 0g) was introduced thereto. The resultant reaction mixture was slowly heated to room temperature, while stirring it. Then, the reaction was carried out by stirring the reaction mixture for about 3h at room temperature. The reaction material, which was formed in the form of a dispersion solution upon producing the title compound, was filtered, washed with water and acetonitrile, and then dried to prepare 320.3 g of the title compound (Yield: 94. 8%).’H NMR (6, CDC13) : 8.66 (s, 1H), 8. 32 (s, 1H), 7. 98 (d, J=12. 4Hz, 1H), 7.60 (d, J=7. 0Hz, 2H), 7. 37 (t, J=7.4Hz, 1H), 7.31 (t, J=7.4Hz, 2H), 4. 58 (s, 2H), 4. 21-4. 15 (m, 2H), 4.00 (m, 1H), 3.93 (s, 3H), 3.83 (m, 1H), 3.56 (m, 1H), 3.40 (m, 1H), 1.21 (m, 2H), 1.00 (m, 2H) Mass (FAB): 478 (M+H).

100361-18-0 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid 11055142, anaphthyridine compound, is more and more widely used in various.

Reference£º
Patent; LG LIFE SCIENCES LTD.; WO2003/87100; (2003); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid, cas is 100361-18-0, it is a common heterocyclic compound, the naphthyridine compound, its synthesis route is as follows.

7-F4- (2-HVDROXVETHYLIDENE) PIPERIDIN-1-YLL-1-CVCLOPROPVL-6-FLUORO-4-OXO-1, 4- DIHVDRONAPHTHYRIDINE-3-CARBOXVIIC acid (163) A solution of amine 103 (256 mg, 1.06 MMOL) and triethylamine (0.5 mL, 3.55 MMOL) in ACETONITRILE (4 mL) was treated with 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1, 4-dihydro-naphthyridine-3- carboxylic acid (200 mg, 0.71 MMOL) under nitrogen and the reaction mixture was allowed to stir for 16 h. The resulting mixture was concentrated in vacuo, and the residue was washed with water (3 x 10 mL) and allowed to dry overnight to afford the title compound 163 (105 mg, 40%). MS 374 (M+H).

With the rapid development of chemical substances, we look forward to future research findings about 100361-18-0

Reference£º
Patent; JANSSEN PHARMACEUTICA, N.V.; WO2005/33108; (2005); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid, cas is 100361-18-0, it is a common heterocyclic compound, the naphthyridine compound, its synthesis route is as follows.

Acetonitrile (100ml), 3-aminomethyl-4-methoxyiminopyrrolidine dimethanesulfonate (12. 5g), 2-chlorobenzaldehyde (lO. Og) and triethylamine (12.2g) were in turn introduced into a reaction vessel at room temperature. After stirring the mixture for about 0. 5h, 7- chloro-1-cyclopropyl-6-fluoro-1, 4-dihydro-4-oxo-1, 8- naphthyridine-3-carboxylic acid (10. Og) was introduced thereto. The resultant reaction mixture was stirred for about 15h at room temperature, cooled to 0~5&degC, and stirred for about 3h. The title compound in the form of solid was filtered, washed with acetonitrile, and dried to prepare 16.3g of the title compound (Yield: 90.0%). ‘H NMR (o, CDC13) : 8.74 (s, 1H), 8.66 (s, 1H), 7.96 (d, J=12. 4Hz, 1H), 7.84 (d, J=7. 3Hz, 1H), 7.29 (m, 2H), 7.16 (m, 1H), 4.59 (bs, 2H), 4.18 (m, 2H), 4.02 (m, 1H), 3.94 (s, 3H), 3.93 (m, 1H), 3.59 (m, 1H), 3.42 (m, 1H), 1.22 (m, 2H), 1.01 (m, 2H) Mass (FAB): 512 (M+H)

With the rapid development of chemical substances, we look forward to future research findings about 100361-18-0

Reference£º
Patent; LG LIFE SCIENCES LTD.; WO2003/87100; (2003); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.100361-18-0,7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid,as a common compound, the synthetic route is as follows.

A solution of amine 135 (0.48 MMOL) and triethylamine (0.28 mL, 2.0 MMOL) in acetonitrile (7 mL) was treated with 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1, 4- DIHYDRO- [1, 8] naphthyridine-3-carboxylic acid (113 mg, 0.40 MMOL) under nitrogen. After 5 min, the reaction mixture was warmed to reflux temperature and the reaction mixture was allowed to stir for 24h. The resulting mixture was allowed to cool to room temperature, concentrated in vacuo and the residue was diluted with water. The product was collected by filtration, and then washed with water and a small amount of methanol to afford the title compound (178 mg, 87%) as a white solid. MS 511 (M+H).

As the paragraph descriping shows that 100361-18-0 is playing an increasingly important role.

Reference£º
Patent; JANSSEN PHARMACEUTICA, N.V.; WO2005/33108; (2005); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.100361-18-0,7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid,as a common compound, the synthetic route is as follows.

A 40% solution of tetrabutylammonium hydroxide in water (15 ml, 23 mmol) was added to a mixture of 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (2.5 g, 8.8 mmol) and 4-amino-methyl-3-methoxyiminopyrrolidinium dimethanesulfonate (3.12 g, 9.3 mmol) in water (8 ml) at 20 – 25C and the mixture stirred for 24 hours. The resulting product was filtered and the cake washed with water (25 ml) followed by ethanol (25 ml) and dried under vacuum at 50C to give the title compound as a white solid (3.47 g). Characterising data were consistent with a standard sample of the title compound.

100361-18-0 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid 11055142, anaphthyridine compound, is more and more widely used in various.

Reference£º
Patent; LG Life Sciences, Ltd.; EP1214321; (2004); B1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.100361-18-0,7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid,as a common compound, the synthetic route is as follows.

The compound obtained from the preparation example 10 (4.44 g), 1-cyclopropyl-6-fluoro-7-chloro-4-oxo-1,4-dihydro[1,8] naphthyridine-3-carboxylic acid (3.45 g), and triethylamine (2.6 in,) were added to acetonitrile (50 ml) in order and the reaction mixture was sitirred at 4550 C. for 4 hr. The precipitate was filtered and dried to obtain the desired compound (5.31 g, 77.6%). [00102] 1H-NMR(CDCl3, ppm) 0.80 (3H, s), 1.07 (2H, bs), 1.17 (3H, s), 1.24 (5H, bs), 1.26 (2H, bs), 1.41 (9H, s), 3.40 (2H, bs), 3.553.60 (5H, m), 4.054.32 (4H, m), 5.07 (1H, bs), 8.03 (1H, d, J=12.4 Hz), 8.71 (1H, s); [alpha]D=+9.77 (c=1.19, CHCl3, 25.0 C.).

The synthetic route of 100361-18-0 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Dong Wha Pharm. Ind. Co., Ltd.; US6649763; (2003); B1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

100361-18-0, 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid is a naphthyridine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

A SOLUTION OF AMINE 31 (612 MG, 1.57 MMOL) and triethylamine (0.7 mL, 5.0 MMOL) in ACETONITRILE (4 mL) was treated with 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1, 4-dihydro-naphthpyridine- 3-carboxylic acid (222 mg, 0.787 MMOL) under nitrogen and the reaction mixture was allowed to stir for 12 h. The resulting mixture was concentrated in vacuo, and the residue was washed with water (3 X 10 mL). The residue was allowed to dry for 15 min. The solid was collected, resuspended in methanol (5 mL) and the reaction mixture was treated with hydrazine (1 mL). After 5 min, the reaction mixture was warmed to reflux and the resulting mixture was allowed to stir for 1 h. The reaction mixture was concentrated in vacuo, diluted with water and the solids were collected by filtration. The off white product was washed with water (3 x 20 mL), allowed to dry overnight to afford the title compound 1 (40.4 mg, 13%). MS 391 (M+H).

The synthetic route of 100361-18-0 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; JANSSEN PHARMACEUTICA, N.V.; WO2005/33108; (2005); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.100361-18-0,7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic Acid,as a common compound, the synthetic route is as follows.

Triethylamine (34ml) was added to 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (20.17g) in a mixture of acetonitrile (100ml) and water (100ml) at 15-20C and the mixture stirred for 30 min. 4-Aminomethyl-3-methoxyiminopyrrolidinium dihydrochloride (18.9g) was added, followed by water (5ml), and the mixture stirred at 20-25C for 23? hours. The resulting product was filtered and the cake washed with ice-cold 1:2 acetonitrile:water (100ml) followed by acetonitrile (100ml), air dried, then dried under vacuum, at ambient temperature, to give the title compound as a fawn solid (26g). (94% as is, 78.8% on assay). Characterising data were consistent with a standard sample of the title compound.

As the paragraph descriping shows that 100361-18-0 is playing an increasingly important role.

Reference£º
Patent; LG Life Sciences, Ltd.; EP1214321; (2004); B1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem