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inquiry8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS 31251-41-9 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediate
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inquiry8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one CAS:31251-41-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermedia
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiry8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-oneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
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inquiry3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Stage #1: 3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile With trifluorormethanesulfonic acid at 60℃; for 1h; Stage #2: With hydrogenchloride In water at 20℃; for 1h; Heating / reflux; | 94% |
With PPA at 200℃; | 45% |
With PPA Heating; |
3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid methyl-phenyl-amide
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; cyclohexane at -78℃; for 0.166667h; | 91% |
With n-butyllithium In tetrahydrofuran; cyclohexane at -78℃; for 0.166667h; | 78% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With water at 0 - 35℃; for 25 - 35h; | 76.4% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With aluminum (III) chloride In carbon disulfide | 40% |
2-iodoyl-3,5-dichlorobenzoic acid
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: 121 g / (MeO)3B; BH3*Me2S / tetrahydrofuran / 18 h / 20 °C 2.1: PPh3; Br2 / acetonitrile / 1 h / 20 °C 3.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C 4.1: NaH / dimethylformamide / 1 h / 0 °C 4.2: 10 g / dimethylformamide / 0.25 h / 0 °C 5.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme |
5-chloro-2-iodobenzyl alcohol
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: PPh3; Br2 / acetonitrile / 1 h / 20 °C 2.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C 3.1: NaH / dimethylformamide / 1 h / 0 °C 3.2: 10 g / dimethylformamide / 0.25 h / 0 °C 4.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme |
2-(bromomethyl)-4-chloro-1-iodobenzene
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C 2.1: NaH / dimethylformamide / 1 h / 0 °C 2.2: 10 g / dimethylformamide / 0.25 h / 0 °C 3.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme |
3-[2-(5-chloro-2-iodo-phenyl)-ethyl]-pyridine-2-carboxylic acid phenylamide
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: NaH / dimethylformamide / 1 h / 0 °C 1.2: 10 g / dimethylformamide / 0.25 h / 0 °C 2.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme |
N-tert-butyl-3-methylpyridine-2-carboxamide
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) n-BuLi / 1.) THF, -40 deg C 2: POCl3 / Heating 3: PPA / Heating View Scheme |
3-<2-(3-chlorophenyl)ethyl>-N-(1,1-dimethylethyl)-2-pyridinecarboxamide
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: POCl3 / Heating 2: PPA / Heating View Scheme |
1-Chloro-3-chloromethyl-benzene
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) n-BuLi / 1.) THF, -40 deg C 2: POCl3 / Heating 3: PPA / Heating View Scheme |
3-[2-(3-Chlorophenyl)ethyl]-pyridine-2-carboxylic acid hydrochloride
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Stage #1: 3-[2-(3-Chlorophenyl)ethyl]-pyridine-2-carboxylic acid hydrochloride With thionyl chloride at 30 - 60℃; Stage #2: aluminum (III) chloride In 1,2-dichloro-ethane at -5 - 20℃; |
N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide
phosphorus pentachloride
pyrographite
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
aluminium trichloride In hexane; dichloromethane; toluene | 44.2 g (61%) |
N-phenyl-3-[2-(3-chlorophenyl)ethyl]-2-pyridine carboxamide
pyrographite
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With trichlorophosphate In hexane; water; chlorobenzene | 44.1 g (50.8%) |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 5%-palladium/activated carbon; hydrogen / ethyl acetate / 4 h / 760.05 Torr 2: sodium hydroxide; water / ethanol / 48 h 3: thionyl chloride 4: aluminum (III) chloride / carbon disulfide View Scheme |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydroxide; water / ethanol / 48 h 2: thionyl chloride 3: aluminum (III) chloride / carbon disulfide View Scheme |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride 2: aluminum (III) chloride / carbon disulfide View Scheme |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 5%-palladium/activated carbon; hydrogen / ethyl acetate / 48 h / 760.05 Torr 2: sodium hydroxide; water / ethanol / 5 h / Reflux 3: thionyl chloride 4: aluminum (III) chloride / carbon disulfide View Scheme |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydroxide; water / ethanol / 5 h / Reflux 2: thionyl chloride 3: aluminum (III) chloride / carbon disulfide View Scheme |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With water; sodium hydroxide In tetrahydrofuran at 80 - 90℃; pH=10-11; |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
8-Chloro-6,11-Dihydro-11-Hydroxy-5H-Benzo[5,6]-Cyclohepta[1,2-b]Pyridine
Conditions | Yield |
---|---|
Stage #1: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h; Stage #2: With hydrogenchloride In methanol; water | 100% |
With sodium tetrahydroborate In methanol at 10 - 20℃; for 2.75h; | 96.9% |
With sodium tetrahydroborate In methanol a) 0 deg C, 2.5 h, b) from 0 deg C to 25 deg C, 1 h; |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
(1-methyl-4-piperidyl)magnesium chloride
8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
Conditions | Yield |
---|---|
In tetrahydrofuran Reflux; | 95% |
With (trimethylsilyl)methylmagnesium chloride; lithium chloride; zinc(II) chloride In tetrahydrofuran; diethyl ether at 0℃; for 2h; Inert atmosphere; | 90% |
In tetrahydrofuran at -95 - -15℃; for 2 - 3h; | 71.1% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
5,6-Dihydro-11H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-one
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; triethylamine In tetrahydrofuran at 20℃; for 24h; | 89% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
diethyl N-ethoxycarbonylpiperidine-4-phosphonate
Conditions | Yield |
---|---|
Stage #1: diethyl N-ethoxycarbonylpiperidine-4-phosphonate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -25 - -5℃; for 2h; Stage #2: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one In tetrahydrofuran; hexane at -25 - -20℃; for 2h; | 82% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
1-methylpiperidin-2-one
3-(8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-methyl-piperidin-2-one
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane 1.) -78 deg C, 30 min; -78 deg C to -5 deg C, 60 min, 2.) -78 deg C, 1 h; -78 deg C to -10 deg C, 1 h; | 76% |
2-(4-formylphenyl)pyridine
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 75% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
methyl 4-formylbenzoate
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 75% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
4-phenylsulfanyl-benzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 8h; Reflux; | 74% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Phenanthrene-9-carboxaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 7h; Reflux; | 74% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
triethyl phosphite
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 20℃; for 24h; | 73.8% |
4-chloro-1-methylpiperidine
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
Conditions | Yield |
---|---|
Stage #1: 4-chloro-1-methylpiperidine With magnesium; ethylene dibromide In tetrahydrofuran at 20 - 48℃; Stage #2: 8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one In tetrahydrofuran at -80 - -70℃; for 2 - 3h; Product distribution / selectivity; | 73.6% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
4-cyanobenzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 6h; Reflux; | 73% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
2,6-dibromobenzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 6h; Reflux; | 73% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
4-styrylbenzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 8h; Reflux; | 72% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
9H-fluorene-2-carbaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 6h; Reflux; | 71% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
N-(4-formylphenyl)carbazole
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 70% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
para-methanesulfonylbenzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 70% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
6-fluorochromone-3-carboxaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 8h; Reflux; | 70% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
2,6-dichlorobenzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 6h; Reflux; | 69% |
1H-pyrrolo[2,3-b]pyridin-3-carbaldehyde
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 8h; Reflux; | 68% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
4-(Methylthio)benzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 7h; Reflux; | 68% |
4-benzooxazol-2-yl-benzaldehyde
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 7h; Reflux; | 68% |
2,2'-bithiophene-5-carboxaldehyde
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 67% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
4-(diphenylamino)benzaldehyde
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 10h; Reflux; | 66% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
phosphorous acid trimethyl ester
Conditions | Yield |
---|---|
With phosphoric acid In chloroform at 20℃; for 12h; | 65% |
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid for 7h; Reflux; | 65% |
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