Name: 1258833-77-0|6-Bromo-8-fluoroisoquinoline|98%
Brand: Ambeed
SKU: A218125
Rating: 97 (35 reviews)

1
[ 57848-46-1 ]
[ 1258833-77-0 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 3 steps 1: toluene / Dean-Stark; Reflux 2: triethylamine; dmap / dichloromethane / 24 h / 20 °C 3: Aluminum Chloride / dichloromethane / 29 h / -5 - 20 °C
	Multi-step reaction with 3 steps 1.1: toluene / Reflux 1.2: 12 h / 0 - 20 °C 2.1: triethylamine; dmap / dichloromethane / 24 h / 20 °C 3.1: Aluminum Chloride / dichloromethane / 29 h / -5 - 20 °C
	Multi-step reaction with 4 steps 1: toluene / 16 h / Reflux; Dean-Stark 2: sodium tetrahydridoborate / methanol / 4 h / 20 °C / Cooling with ice 3: dmap; triethylamine / dichloromethane / 4 h / 20 °C / Cooling with ice 4: Aluminum Chloride / dichloromethane / 20 °C / Schlenk technique; Cooling with ice

Multi-step reaction with 4 steps 1: toluene / 16 h / 140 °C 2: methanol; sodium tetrahydridoborate / 0 - 20 °C 3: triethylamine; dmap / dichloromethane / 16 h / 0 - 20 °C / Inert atmosphere 4: Aluminum Chloride / dichloromethane / 16 h / 0 - 20 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B
[3]Lenstra, Danny C.; Damen, Eddy; Leenders, Ruben G. G.; Blaauw, Richard H.; Rutjes, Floris P. J. T.; Wegert, Anita; Mecinović, Jasmin [ChemMedChem, 2018, vol. 13, # 14, p. 1405 - 1413]
[4]Current Patent Assignee: SHANGHAI ZHIMENG PHARMACEUTICAL TECH; SHANGHAI ZHIMENG BIOPHARMA - CN114057641, 2022, A

2
[ 1183945-15-4 ]
[ 1258833-77-0 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: triethylamine; dmap / dichloromethane / 24 h / 20 °C 2: Aluminum Chloride / dichloromethane / 29 h / -5 - 20 °C
	Multi-step reaction with 2 steps 1: dmap; triethylamine / dichloromethane / 4 h / 20 °C / Cooling with ice 2: Aluminum Chloride / dichloromethane / 20 °C / Schlenk technique; Cooling with ice
	Multi-step reaction with 2 steps 1: triethylamine; dmap / dichloromethane / 16 h / 0 - 20 °C / Inert atmosphere 2: Aluminum Chloride / dichloromethane / 16 h / 0 - 20 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1 Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B
[2]Lenstra, Danny C.; Damen, Eddy; Leenders, Ruben G. G.; Blaauw, Richard H.; Rutjes, Floris P. J. T.; Wegert, Anita; Mecinović, Jasmin [ChemMedChem, 2018, vol. 13, # 14, p. 1405 - 1413]
[3]Current Patent Assignee: SHANGHAI ZHIMENG PHARMACEUTICAL TECH; SHANGHAI ZHIMENG BIOPHARMA - CN114057641, 2022, A

3
[ 1613147-80-0 ]
[ 1258833-77-0 ]

Yield	Reaction Conditions	Operation in experiment
32%	With aluminum (III) chloride In dichloromethane at -5 - 20℃; for 29h;	14.3 Step 3) 6-bromo-8-fluoroisoquinoline To a suspension of aluminium chloride (2 g, 15 mmol) in DCM (15 mL) was added N-(4-bromo-2-fluorobenzyl)-N-(2,2-dimethoxyethyl)benzenesulfonamide (1.3 g, 3 mmol) in DCM (15 mL) at -5 °C. The reaction was stirred at rt for 29 h, then quenched with 10% HC1 at -10 °C, and extracted with DCM (20 mL x 3). The combined organic phases were washed with brine (20 mL), dried over anhydrous a2S04, filtered and concentrated in vacuo. The residue was purified by a silica gel column chromatography (PE/EtOAc (v/v) = 3/1) to give the title compound as a yellow solid (0.22 g, 32%). MS (ESI, pos. ion) m/z: 226 [M + H]+; NMR (400 MHz, i/6-DMSO) δ (ppm): 9.48 (s, 1H), 8.63-8.62 (d, J= 5.6 Hz, 1H), 7.81 (s, 1H), 7.58-7.57 (d, J= 5.6 Hz, 1H), 7.40-7.38 (dd, J= 1.6 Hz, 9.6 Hz, 1H).
32%	With aluminum (III) chloride In dichloromethane at -5 - 20℃; for 29h;	14.3 Step 3) Preparation of 6-bromo-8-fluoroisoquinoline Aluminum trichloride (2.0 g, 15 mmol)Was suspended in dichloromethane (15 mL)The solution was cooled to -5 ° C,To this was added N- (4-bromo-2-fluorobenzyl) -N- (2,2-dimethoxyethyl) benzenesulfonamide (1.3 g, 3 mmol)In dichloromethane (15 mL).The reaction solution was stirred at room temperature for 29 hours,Cooled to -10 ° C,Plus 10% hydrochloric acid quenching,And extracted with dichloromethane (20 mL x 3)take. The combined organic phases were washed with brine (20 mL), dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel column(Petroleum ether / ethyl acetate (v / v) = 3/1)The title compound was obtained as a yellow solid (0.22 g, 32%).

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1 Location in patent: Paragraph 0250
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B Location in patent: Paragraph 0657; 0658; 0659; 0660

4
[ 1258833-77-0 ]
[ 1339780-81-2 ]

Yield	Reaction Conditions	Operation in experiment
98%	With sodium tetrahydridoborate In glacial acetic acid at 20℃; for 3h;	14.4 Step 4) 6-bromo-8-fluoro-1,2,3,4-tetrahydroisoquinoline To a solution of 6-bromo-8-fluoroisoquinoline (0.22 g, 0.97 mmol) in HOAc (5 mL) was added NaBH4 (129 mg, 3.41 mmol) in portions. The reaction was stirred at rt for 3 h, then treated with saturated aqueous aHC03 until pH 8 and extracted with DCM (20 mL x 3). The combined organic phases were washed with brine (20 mL), dried over anhydrous Na2S04, filtered, concentrated in vacuo, and dried in vacuo to afford the title compound as a yellow solid (0.22 g, 98%). MS (ESI, pos. ion) m/z: 230 [M + H]+; NMR (400 MHz, i/6-DMSO) δ (ppm): 7.26-7.23 (dd, J= 1.6 Hz, 9.2 Hz, 1H), 7.17 (s, 1H), 3.75 (s, 2H), 2.89-2.86 (t, J= 6.0 Hz, 2H), 2.68-2.65 (t, J= 5.6 Hz, 2H).
98%	With sodium tetrahydridoborate; glacial acetic acid at 20℃; for 3h;	14.4 Step 4) Preparation of 6-bromo-8-fluoro-1,2,3,4-tetrahydroisoquinoline 6-bromo-8-fluoroisoquinoline (0.22 g, 0.97 mmol)Was dissolved in acetic acid (5 mL)To this was added sodium borohydride (129 mg, 3.41 mmol) in portions.The reaction solution was stirred at room temperature for 3 hours,After adjusting the pH to 8 with saturated sodium bicarbonate solution,Extraction with dichloromethane (20 mL x3).The combined organic phases were washed with brine (20 mL), dried over anhydrous sodium sulfate, filtered, concentrated under reduced pressure and dried in vacuo.The title compound was obtained as a yellow solid (0.22 g, 98%).
	With sodium tetrahydridoborate; glacial acetic acid In tetrahydrofuran at 20℃; for 4h; Cooling with ice;

With sodium tetrahydridoborate; glacial acetic acid at 0 - 20℃; Inert atmosphere;

8.5 Step 5. Compound 7 Compound 6 (2.6 g, 11.5 mmol, 1.0 eq) was dissolved in acetic acid (40 mL), and the temperature was lowered to 0 °C under nitrogen protection, and sodium borohydride (1.3 g, 34.5 mmol, 3.0 eq) was added.The reaction solution was warmed to room temperature and stirred for 2 hours, diluted with water (200 mL), cooled to 0° C., adjusted to pH 10 with sodium carbonate, and extracted with ethyl acetate (3×200 mL).The combined organic phases were washed with saturated sodium chloride solution, dried over anhydrous sodium sulfate, and concentrated to obtain crude compound 7 (3.0 g), which was used in the next reaction without purification.

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1 Location in patent: Paragraph 0251
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B Location in patent: Paragraph 0661; 0662; 0663; 0664
[3]Lenstra, Danny C.; Damen, Eddy; Leenders, Ruben G. G.; Blaauw, Richard H.; Rutjes, Floris P. J. T.; Wegert, Anita; Mecinović, Jasmin [ChemMedChem, 2018, vol. 13, # 14, p. 1405 - 1413]
[4]Current Patent Assignee: SHANGHAI ZHIMENG PHARMACEUTICAL TECH; SHANGHAI ZHIMENG BIOPHARMA - CN114057641, 2022, A Location in patent: Paragraph 0181-0182; 0194-0196

5
[ 1258833-77-0 ]
[ 1613147-81-1 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: sodium tetrahydridoborate / glacial acetic acid / 3 h / 20 °C 2: anhydrous sodium carbonate / tetrahydrofuran; water monomer / 20 °C
	Multi-step reaction with 2 steps 1: sodium tetrahydridoborate; glacial acetic acid / 3 h / 20 °C 2: anhydrous sodium carbonate / tetrahydrofuran; water monomer / 20 °C
	Multi-step reaction with 2 steps 1: glacial acetic acid; sodium tetrahydridoborate / tetrahydrofuran / 4 h / 20 °C / Cooling with ice 2: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 °C

Multi-step reaction with 2 steps 1: sodium tetrahydridoborate; glacial acetic acid / 0 - 20 °C / Inert atmosphere 2: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 °C

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B
[3]Lenstra, Danny C.; Damen, Eddy; Leenders, Ruben G. G.; Blaauw, Richard H.; Rutjes, Floris P. J. T.; Wegert, Anita; Mecinović, Jasmin [ChemMedChem, 2018, vol. 13, # 14, p. 1405 - 1413]
[4]Current Patent Assignee: SHANGHAI ZHIMENG PHARMACEUTICAL TECH; SHANGHAI ZHIMENG BIOPHARMA - CN114057641, 2022, A

6
[ 1258833-77-0 ]
[ 1613147-82-2 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 3 steps 1: sodium tetrahydroborate / acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere
	Multi-step reaction with 3 steps 1: sodium tetrahydroborate; acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B

7
[ 1258833-77-0 ]
[ 1613147-83-3 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 4 steps 1: sodium tetrahydroborate / acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere 4: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂; caesium carbonate / 1,2-dimethoxyethane; water / 7 h / 95 °C / Inert atmosphere
	Multi-step reaction with 4 steps 1: sodium tetrahydroborate; acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere 4: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂; caesium carbonate / water; 1,2-dimethoxyethane / 7 h / 95 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B

8
[ 1258833-77-0 ]
[ 1613147-79-7 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 5 steps 1: sodium tetrahydroborate / acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere 4: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂; caesium carbonate / 1,2-dimethoxyethane; water / 7 h / 95 °C / Inert atmosphere 5: hydrogenchloride / ethyl acetate / 4 h / 0 - 20 °C
	Multi-step reaction with 5 steps 1: sodium tetrahydroborate; acetic acid / 3 h / 20 °C 2: sodium carbonate / tetrahydrofuran; water / 20 °C 3: potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂ / 1,4-dioxane / 80 °C / Inert atmosphere 4: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)CH₂Cl₂; caesium carbonate / water; 1,2-dimethoxyethane / 7 h / 95 °C / Inert atmosphere 5: hydrogenchloride / ethyl acetate / 4 h / 0 - 20 °C

Reference： [1]Current Patent Assignee: CALITOR SCIENCES LLC; SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD - WO2014/89324, 2014, A1
[2]Current Patent Assignee: SHENZHEN DONGYANGGUANG INDUSTRIAL DEVELOPMENT CO LTD; CALITOR SCIENCES LLC - CN104016979, 2017, B

9
[ 2013582-59-5 ]
[ 1258833-77-0 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: caesium carbonate / N,N-dimethyl-formamide / 16 h / 20 - 80 °C 2: aluminum (III) chloride / dichloromethane / 16 h / -5 - 20 °C

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1

10
[ 2013582-60-8 ]
[ 1258833-77-0 ]

Yield	Reaction Conditions	Operation in experiment
31%	With aluminum (III) chloride In dichloromethane at -5 - 20℃; for 16h;	Synthesis of compound 9-d At -5°C, compound 9-e (1.50mg, 3.18mmol) was added to a mixture of AlCl3 (2.0g, 15mmol) in DCM (20mL).The mixture was reacted for 16hrs at room temperature, followed by adding 2M HCl aqueous solution (20mL), extractedwith DCM (30mL33). The organic phases were combined, washed in turn with water (10mL33) and saturated brine(20mL), dried over anhydrous magnesium sulfate, filtered, concentrated under reduced pressure. The residue waspurified by silica column chromatography (PE:EA = 7:1) to give compound 9-d (220mg, yield 31%). LC-MS (ESI): m/z= 226 [M+H]+.

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1 Location in patent: Paragraph 0130; 0133

11
[ 1258833-77-0 ]
[ 2013582-61-9 ]

Yield	Reaction Conditions	Operation in experiment
64%	With N-iodo-succinimide; acetic acid; trifluoroacetic acid at 80℃; for 6h;	Synthesis of compound 9-c Compound 9-d (200mg, 0.89mmol) and N-iodosuccinimide (300mg, 1.33mmol) were dissolved in acetic acid (10mL) and trifluoroacetic acid (2mL), the mixture was reacted for 6hrs at 80 °C. The mixture was cooled to roomtemperature, concentrated under reduced pressure to remove the solvent. The residue was purified by silica columnchromatography (PE:EA = 8:1) to give compound 9-c (200mg, yield 64%). LC-MS (ESI): m/z = 352 [M+H]+.

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1 Location in patent: Paragraph 0130; 0134

12
[ 1258833-77-0 ]
[ 2013582-62-0 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 2 steps 1: N-iodo-succinimide; acetic acid; trifluoroacetic acid / 6 h / 80 °C 2: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / water; 1,2-dimethoxyethane / 4 h / 50 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1

13
[ 1258833-77-0 ]
[ 2013582-63-1 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 3 steps 1: N-iodo-succinimide; acetic acid; trifluoroacetic acid / 6 h / 80 °C 2: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / water; 1,2-dimethoxyethane / 4 h / 50 °C / Inert atmosphere 3: tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 5 h / 100 °C / Inert atmosphere

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1

14
[ 1258833-77-0 ]
[ 2013581-84-3 ]

Yield	Reaction Conditions	Operation in experiment
	Multi-step reaction with 4 steps 1: N-iodo-succinimide; acetic acid; trifluoroacetic acid / 6 h / 80 °C 2: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / water; 1,2-dimethoxyethane / 4 h / 50 °C / Inert atmosphere 3: tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 5 h / 100 °C / Inert atmosphere 4: water; lithium hydroxide / methanol; tetrahydrofuran / 16 h / 20 °C

Reference： [1]Current Patent Assignee: SHANGHAI YINGLI PHARM; SHANGHAI YINGLI PHARMACEUTICAL - EP3275867, 2018, A1

15
[ 112734-22-2 ]
6-bromo-8-fluoroisoquinoline [ No CAS ]