As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:238-84-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:238-84-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:238-84-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:238-84-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:238-84-6
Min.Order:0 Metric Ton
Negotiable
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:238-84-6
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 1,2-BENZOFLUORENE Synonyms: 1,2-benzfluorene;alpha-naphthofluorene;b(a)f;benzofluorene(non-specificname);CHRYSOFLUORENE;BENZO(A)FLUORENE;1,2-BENZOFLUORENE;11H-BENZO(A)FLUORENE CAS: 238-84-6 MF: C17H12 MW: 216.28 EINECS: 205-944-9
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
11H-Benzo[a]fluorene cas 238-84-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:200mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
98%, in stock Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale pr
Cas:238-84-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 1,2-BENZOFLUORENE, CAS:238-84-6 with the most competitive price and the best quality.
Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
benzo[a]fluorene
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 4h; Heating; | 89% |
Conditions | Yield |
---|---|
Stage #1: 1-Bromonaphthalene; diphenyl acetylene With 1,8-diazabicyclo[5.4.0]undec-7-ene; cesium pivalate; 1,2-bis-(diphenylphosphino)ethane; palladium dichloride In 1,4-dioxane at 130℃; for 24h; Sealed tube; Inert atmosphere; Stage #2: With 18-crown-6 ether; potassium tert-butylate; hydrazine hydrate; potassium hydroxide In 1,4-dioxane at 110℃; for 12h; Temperature; Inert atmosphere; Sealed tube; | 88% |
C17H14O
benzo[a]fluorene
Conditions | Yield |
---|---|
With hydrogen cation | 85% |
With hydrogenchloride In ethanol for 24h; Heating; | 20 mg |
Conditions | Yield |
---|---|
Stage #1: bromobenzene; bis(1-naphthyl)acetylene With 1,8-diazabicyclo[5.4.0]undec-7-ene; cesium pivalate; 1,2-bis-(diphenylphosphino)ethane; palladium dichloride In 1,4-dioxane at 130℃; for 24h; Sealed tube; Inert atmosphere; Stage #2: With 18-crown-6 ether; potassium tert-butylate; hydrazine hydrate; potassium hydroxide In 1,4-dioxane at 110℃; for 12h; Inert atmosphere; Sealed tube; | 80% |
benzo[a]fluorene
Conditions | Yield |
---|---|
With (R)-10-camphorsulfonic acid; tetrahydrothiophene gold(III) bromide; bis-[(trifluoroacetoxy)iodo]benzene In methanol; chloroform at 27℃; for 1h; Schlenk technique; Inert atmosphere; | 80% |
2',3'-Dihydro-1,1'-spirobiinden
A
benzo[a]fluorene
B
6,11-dihydro-5H-benzofluorene
Conditions | Yield |
---|---|
In diphenylether at 200℃; | A 7% B 79% |
In cyclohexane at 10℃; Irradiation; | A 13% B 74% |
Conditions | Yield |
---|---|
With hydrogen iodide; acetic acid |
5-hydroxy-benzo[a]fluoren-11-one
benzo[a]fluorene
Conditions | Yield |
---|---|
With zinc | |
With zinc bei der Destillation; |
11a-methyl-6,6a,11,11a-tetrahydro-5H-benzo[a]fluorene
benzo[a]fluorene
Conditions | Yield |
---|---|
With selenium at 310 - 320℃; |
11H-benzo[a]fluorene-11-carboxylic acid
benzo[a]fluorene
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With soda lime | |
Multi-step reaction with 3 steps 1: alkali 2: chromic acid mixture 3: concentrated hydriodic acid; red phosphorus View Scheme |
1,2;4,5-Bis-tetramethylen-inden-(1)
benzo[a]fluorene
Conditions | Yield |
---|---|
With palladium on activated charcoal |
Conditions | Yield |
---|---|
With hydrazine |
10,11-dihydro-5,10-ethano-5H-dibenzocyclohepten-12-ol
A
benzo[a]fluorene
B
9,10-Dihydro-9,10-propenoanthracene
C
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
D
6,11-dihydro-5H-benzofluorene
Conditions | Yield |
---|---|
With boric acid at 250℃; under 1 Torr; for 0.5h; Yield given. Yields of byproduct given; |
10,11-dihydro-5,10-ethano-5H-dibenzocyclohepten-12-ol
A
benzo[a]fluorene
B
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
C
6,11-dihydro-5H-benzofluorene
D
11,11a-dihydro-6aH-benzofluorene
Conditions | Yield |
---|---|
With boric acid at 250℃; under 1 Torr; for 0.5h; Yield given. Yields of byproduct given; |
2:3,6:7-Dibenzobicyclo[6.1.0]nona-2,4,6-trien
A
benzo[a]fluorene
B
6,11-dihydro-5H-benzofluorene
Conditions | Yield |
---|---|
at 600℃; under 1 Torr; Product distribution; Mechanism; var. temperature; |
9,10-Dihydro-9,10-propenoanthracene
A
anthracene
B
benzo[a]fluorene
C
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
D
6,11-dihydro-5H-benzofluorene
Conditions | Yield |
---|---|
at 550℃; Yield given. Further byproducts given. Yields of byproduct given; |
9,10-Dihydro-9,10-propenoanthracene
A
anthracene
B
benzo[a]fluorene
C
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
D
6,11-dihydro-5H-benzofluorene
E
11,11a-dihydro-6aH-benzofluorene
Conditions | Yield |
---|---|
at 550℃; under 1 Torr; Product distribution; Mechanism; other dibenzohydrocarbons, other temperatures; |
9,10-Dihydro-9,10-propenoanthracene
A
benzo[a]fluorene
B
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
C
6,11-dihydro-5H-benzofluorene
D
11,11a-dihydro-6aH-benzofluorene
Conditions | Yield |
---|---|
at 550℃; Yield given. Yields of byproduct given; |
11-Acetoxy-9,10-propano-9,10-dihydroanthracene
A
anthracene
B
benzo[a]fluorene
C
9,10-Dihydro-9,10-propenoanthracene
D
1,1a,6,10b-Tetrahydro-1,6-methano-dibenzocyclopropacycloheptene
Conditions | Yield |
---|---|
at 650℃; under 1 Torr; Yield given. Further byproducts given. Yields of byproduct given; |
(E,E,E)-1,7-diphenyl-1,3,5-heptatriene
A
benzo[a]fluorene
B
C19H17Cs
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; Thermodynamic data; ΔH0, ΔS0; |
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