Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:15128-52-6
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryhigh quality Appearance:Liquid Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
Cas:15128-52-6
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:15128-52-6
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:15128-52-6
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Type:Trading Company
inquiryName: 1,2,3,9-Tetrahydro-4H-Carbazol-4-One Synonyms: 4-Oxo-1,2,3,4-tetrahydrocarbazole; 1,2,3,9-Tetrahydro-4(H)-Carbazol-4-One; 1,2,3,4-tetrahydro-4-0xocarbazole; 1,2,3,9-Tetrahydro-4-oxo-carbazole CAS: 15128-52-6 MF: C12H11NO Appearance: White po
Cas:15128-52-6
Min.Order:1 Kilogram
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:15128-52-6
Min.Order:10 Kilogram
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Type:Trading Company
inquiry1,2,3,9-Tetrahydro-4(H)-carbazol-4-one CAS:15128-52-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high q
Cas:15128-52-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:15128-52-6
Min.Order:1 Kilogram
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Cas:15128-52-6
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:15128-52-6
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:15128-52-6
Min.Order:1 Gram
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:15128-52-6
Min.Order:4 Kilogram
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inquiryProName: 1,2,3,9-Tetrahydro-4(H)-carbazol-4-one CasNo: 15128-52-6 Molecular Formula: C12H11NO Appearance: detailed see specifications Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the client
Cas:15128-52-6
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Trading Company
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:15128-52-6
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:15128-52-6
Min.Order:10 Gram
Negotiable
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:15128-52-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Light Brown solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide intermediates
Cas:15128-52-6
Min.Order:1 Gram
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Type:Trading Company
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providing h
Cas:15128-52-6
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inquiryProduct name: 1,2,3,9-Tetrahydro-4H- Carbazole-4-One CAS No.: 15128-52-6 Molecule Formula:C12H11NO Molecule Weight:185.22 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:15128-52-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:15128-52-6
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:15128-52-6
Min.Order:1 Milligram
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Type:Trading Company
inquiry1,2,3,9-Tetrahydro-4(H)-carbazol-4-one Basic information Product Name: 1,2,3,9-Tetrahydro-4(H)-carbazol-4-one Synonyms: RARECHEM AK MA K053;4-OXO-1,2,3,4-TETRAHYDROCARBAZOLE;Ondansetron Impurity 10;Ondansetron Hydrochloride Dihydrate EP Impuri
Cas:15128-52-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:15128-52-6
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Cas:15128-52-6
Min.Order:0
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Type:Trading Company
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:15128-52-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiry3-[(2-iodophenyl)amino]cyclohex-2-en-1-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With tetrabutyl-ammonium chloride; sodium acetate; tris-(o-tolyl)phosphine; palladium diacetate In N,N-dimethyl-formamide at 100℃; for 0.5h; Heck reaction; Irradiation; | 95% |
With potassium hydroxide; copper(l) iodide; L-proline In dimethyl sulfoxide at 90℃; for 24h; | 92% |
With cyclodextrin-grafted silica-supported Pd nanoparticles at 100℃; for 1h; Heck Reaction; Green chemistry; | 85% |
methyl 6-(2-nitrophenyl)-5-oxohexanoate
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With hydrogenchloride; iron In water at 110℃; for 0.333333h; Inert atmosphere; | 92% |
1,2,3,4-tetrahydrocarbazole
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In tetrahydrofuran; water at 0℃; | 91% |
With nitrosonium perchlorate In water; acetonitrile for 1h; | 79% |
With 2,2,6,6-tetramethylpiperidine-1-oxoammonium tetrafluoroborate In water; acetonitrile for 1h; Mechanism; Product distribution; other indole derivatives and nitrosonium salts, var. solvents; | 71% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With hydrogenchloride; titanium(III) chloride In acetone at 22℃; for 16h; Reagent/catalyst; Temperature; Solvent; | 91% |
cyclohexane-1,3-dione monophenylhydrazone
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid In acetic acid for 3h; Heating; | 90% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With bis-[(trifluoroacetoxy)iodo]benzene In dichloromethane at 20℃; for 0.5h; Cooling with ice; | 90% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid for 24h; Reflux; Inert atmosphere; | 90% |
1,2,3,4-tetrahydrocarbazole
A
1,2,3,9-tetrahydro-4H-carbazol-4-one
B
1-oxo-2,3,4,9-tetrahydrocarbazole
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In tetrahydrofuran; water at 0 - 20℃; for 5.5h; | A 89% B 2% |
phenylhydrazine hydrochloride
1,3-cylohexanedione
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With 1-(3-sulfopropyl)pyridinium p-toluenesulfonate In water at 100℃; for 0.25h; | 89% |
Stage #1: phenylhydrazine hydrochloride; 1,3-cylohexanedione In acetonitrile at 80 - 85℃; Fischer Indole Synthesis; Stage #2: With hydrogenchloride In water at 90 - 95℃; Fischer Indole Synthesis; | 18% |
4-(1H-indol-2-yl)butanoic acid
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In water; toluene for 12h; Reflux; Inert atmosphere; | 88% |
3-hydroxy-2-(2-nitrophenyl)cyclohex-2-enone
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With iron; acetic acid for 2.5h; Reflux; | 86% |
2-(o-bromophenyl)cyclohexane-1,3-dione
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; tetrakis(triphenylphosphine) palladium(0); <3THF*Mg2Cl2O*TiNCO> at 100℃; for 12h; | 85% |
With tetrakis(triphenylphosphine) palladium(0); <3THF*Mg2Cl2O*TiNCO> In various solvent(s) at 100℃; for 12h; Heating; | 85% |
3-phenylaminocyclohex-2-enone
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With copper diacetate; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide at 140℃; for 24h; Inert atmosphere; | 85% |
With copper diacetate; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide at 140℃; for 24h; Inert atmosphere; | 85% |
With silver hexafluoroantimonate; [hydroxy(tosyloxy)iodo]benzene In 1,2-dichloro-ethane at 90℃; for 12h; Sealed tube; | 80% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With carbon monoxide; 1,3-bis-(diphenylphosphino)propane; 1,10-phenanthroline hydrate; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 100℃; under 4560 Torr; for 90h; | 83% |
2-diazocyclopentanone
2-aminobenzaldehyde
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With dirhodium tetraacetate; diphenyl hydrogen phosphate In 1,2-dichloro-ethane at 80℃; Catalytic behavior; Reagent/catalyst; Solvent; Molecular sieve; | 83% |
3-(2-bromoanilino)-cyclohex-2-en-1-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With triethylamine; tetrakis(triphenylphosphine) palladium(0) In ethanol at 80℃; for 48h; Product distribution / selectivity; | 82% |
With copper(l) iodide; sodium hydride In N,N,N,N,N,N-hexamethylphosphoric triamide at 170℃; for 3h; | 80% |
With N,N,N,N,N,N-hexamethylphosphoric triamide; tetrakis(triphenylphosphine) palladium(0); sodium hydrogencarbonate at 140℃; for 2h; | 77% |
2′-nitro-4,5-dihydro-[1,1′-biphenyl]-2(3H)-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With hydrogenchloride; titanium(III) chloride In acetone at 22℃; for 16h; | 82% |
With 1,10-Phenanthroline; carbon monoxide; 1,3-bis-(diphenylphosphino)propane; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 80℃; under 4560 Torr; | 74% |
With carbon monoxide; 1,3-bis-(diphenylphosphino)propane; 1,10-phenanthroline hydrate; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 80℃; under 4560 Torr; for 24h; | 74% |
Multi-step reaction with 2 steps 1: titanium(III) chloride; hydrogenchloride / acetone / 1 h / 22 °C 2: titanium(III) chloride; hydrogenchloride / acetone / 16 h / 22 °C View Scheme |
cyclohexane-1,3-dione monophenylhydrazone
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid for 16h; Heating; | 80% |
With sulfuric acid at 0℃; | 30% |
With sulfuric acid; water |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With silver hexafluoroantimonate In 1,2-dichloro-ethane at 90℃; for 5h; Sealed tube; | 77% |
1,3-cylohexanedione
phenylhydrazine
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With 1,3-bis(3-sulfopropyl)-1H-imidazol-3-ium hydrogensulfate In water at 100℃; for 4h; Fischer indole synthesis; | 70% |
With trifluoroacetic acid at 140℃; for 0.166667h; Microwave irradiation; | 40% |
With trifluoroacetic acid at 140℃; for 0.166667h; Fischer Indole Synthesis; Microwave irradiation; | 40% |
cyclohexane-1,3-dione monophenylhydrazone
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid Heating; | 65% |
With acetic acid; zinc(II) chloride for 4.5h; Heating; |
2,2,2-Trifluoro-N-[2-(6-oxo-cyclohex-1-enyl)-phenyl]-acetamide
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; methanol for 12h; Ambient temperature; | 61% |
With sodium hydroxide In methanol for 12h; Ambient temperature; | 60% |
3-methoxy-2-(2-nitrophenyl)-2-cyclohexen-1-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With carbon monoxide; 1,3-bis-(diphenylphosphino)propane; 1,10-phenanthroline hydrate; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 120℃; under 4560 Torr; for 96h; | 61% |
3-bromo-2-cyclohexen-1-one
2-iodophenylamine
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
Stage #1: 3-bromo-2-cyclohexen-1-one; 2-iodophenylamine With copper(l) iodide; triethylamine In dimethyl sulfoxide at 60℃; for 2h; Ullmann-Goldberg Substitution; Stage #2: With tris-(dibenzylideneacetone)dipalladium(0) In dimethyl sulfoxide at 120℃; for 24h; | 60% |
(1E)-1,3-cyclohexanedione 1-(phenylhydrazone)
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid at 20℃; for 8h; Heating / reflux; | 58% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sulfuric acid | 51% |
6-Oxo-10-(2-aminomethyl)-6,7,8,9-tetrahydro-pyrido(1,2-a)indole
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
In methanol for 16h; Irradiation; | 44% |
A
1,2,3,4-tetrahydrocarbazole
B
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol at 20℃; under 760 Torr; for 2h; | A 22% B 43% |
9-bromo-4,4-dimethyl-2-(naphthalen-1-yl)-4,5-dihydropyrrolo[2,3,4-kl]acridin-1(2H)-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sodium acetate; tetraphenyl phosphonium chloride; dichloro bis(acetonitrile) palladium(II) In N,N-dimethyl-formamide at 150℃; for 20h; Product distribution / selectivity; | 36% |
3-[(2-fluorophenyl)amino]cyclohex-2-en-1-one
1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
Stage #1: 3-[(2-fluorophenyl)amino]cyclohex-2-en-1-one With lithium diisopropyl amide In tetrahydrofuran; cyclohexane at 75℃; for 2.5h; Stage #2: With acetic acid In tetrahydrofuran; cyclohexane at 20℃; for 0.5h; | 33% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
benzenesulfonyl chloride
9-(phenylsulfonyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 16h; Inert atmosphere; | 98% |
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane for 2h; Ambient temperature; | 62% |
With sodium hydride 1.) DMF, 0 deg C, 2.) DMF, r.t., 3 h; Yield given. Multistep reaction; |
1,2,3,9-tetrahydro-4H-carbazol-4-one
benzyl bromide
9-phenylmethyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; | 96% |
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 2h; | 95% |
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; | 95% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
di-tert-butyl dicarbonate
tert-butyl 4-oxo-1,2,3,4-tetrahydro-9H-carbazole-9-carboxylate
Conditions | Yield |
---|---|
With dmap In dichloromethane at 20℃; for 0.25h; | 96% |
Stage #1: 1,2,3,9-tetrahydro-4H-carbazol-4-one With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran at 0 - 20℃; for 2.25h; | 95% |
Stage #1: 1,2,3,9-tetrahydro-4H-carbazol-4-one With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; mineral oil at 0 - 20℃; for 2h; | 90% |
Conditions | Yield |
---|---|
With palladium diacetate; silver trifluoroacetate; toluene-4-sulfonic acid In water at 60℃; for 0.666667h; regioselective reaction; | 94% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
methyl iodide
9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
Stage #1: 1,2,3,9-tetrahydro-4H-carbazol-4-one With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 0 - 20℃; for 2h; | 93% |
With sodium hydride In N,N-dimethyl-formamide | 65% |
With sodium hydride 1.) DMF, 0-5 deg C, 1 h, 2.) DMF, a) 0-5 deg C, 3 h, b) RT, 15 h; Yield given. Multistep reaction; |
1,2,3,9-tetrahydro-4H-carbazol-4-one
4,4-Dideuterio-1,2,3,4-tetrahydro-carbazol
Conditions | Yield |
---|---|
With lithium aluminium deuteride In tetrahydrofuran for 24h; | 92% |
diethyl sulfate
1,2,3,9-tetrahydro-4H-carbazol-4-one
9-ethyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sodium hydroxide In acetone for 2.5h; Heating; | 91% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
s-trans-anti-1,2,3,4-tetrahydrocarbazol-4-one
Conditions | Yield |
---|---|
With pyridine; hydroxylamine hydrochloride at 20℃; | 91% |
With hydroxylamine hydrochloride; sodium acetate In ethanol; water for 24h; Reflux; Inert atmosphere; | 80% |
With hydroxylamine hydrochloride In ethanol; water for 12h; Darkness; | |
With hydroxylamine hydrochloride; sodium acetate In ethanol; water for 24h; Reflux; Inert atmosphere; | 1.73 g |
With hydroxylamine hydrochloride; sodium acetate In methanol at 20℃; for 6h; |
1,2,3,9-tetrahydro-4H-carbazol-4-one
9H-carbazol-4-ol
Conditions | Yield |
---|---|
palladium on activated charcoal In diphenylether at 250℃; for 18h; | 90% |
With sodium hydroxide; nickel In water for 20h; Heating / reflux; | 50% |
With 1% Pd/C In 1,3,5-trimethyl-benzene Heating; | 46% |
With palladium on activated charcoal at 270℃; | |
With 1-dodecene; palladium on activated charcoal In Triethylene glycol dimethyl ether Heating; |
1,2,3,9-tetrahydro-4H-carbazol-4-one
dimethyl sulfate
9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Conditions | Yield |
---|---|
With sodium hydroxide at 60 - 70℃; for 2h; | 89% |
In acetone at 20℃; for 1h; | 83% |
With potassium carbonate | |
With potassium hydroxide; water; acetone |
1,2,3,9-tetrahydro-4H-carbazol-4-one
4-Fluorobenzyl bromide
9-(4-fluorobenzyl)-1,2,3,9-tetrahydrocarbazol-4-one
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 4h; | 83% |
1,2,3,9-tetrahydro-4H-carbazol-4-one
thiosemicarbazide
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water at 20℃; for 3h; | 81% |
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