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:239-35-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:239-35-0
Min.Order:1 Gram
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Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:239-35-0
Min.Order:1 Kilogram
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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:239-35-0
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:239-35-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryBENZO(B)NAPHTHO(2,1-D)THIOPHENE CAS:239-35-0 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 quality or
Cas:239-35-0
Min.Order:1 Gram
Negotiable
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:239-35-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:239-35-0
Min.Order:0
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:239-35-0
Min.Order:10 Gram
FOB Price: $100.0
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 o
Cas:239-35-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:239-35-0
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryhigh 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
Benzo[b]naphtho[2,1-d]thiopheneAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:Used in Synthesis, Pharmaceuticals and other fields Transportation:Sea/air/courier
Cas:239-35-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBenzo[b]naphtho[2,1-d]thiophene cas 239-35-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:239-35-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:239-35-0
Min.Order:0
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Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:239-35-0
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Negotiable
Type:Trading Company
inquiryQuality: 1. Testing before each delivery, including Nuclear Magnetic Resonance(NMR), Gas Chromatography(GC)/High Performance Liquid Chromatography(HPLC), Mass detection(MS), Optical rotation for chiral products. There are many other methods avail
Cas:239-35-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Trading Company
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:239-35-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the BENZO(B)NAPHTHO(2,1-D)THIOPHENE, CAS:239-35-0 with the most competitive price and the
Supply top quality products with a reasonable price Application:api
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
Cas:239-35-0
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Type:Lab/Research institutions
inquiryCFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
1,2-benzodiphenylene sulfide is a rare constituent of coal tar. Photodeoxygenation of 1,2-benzodiphenylene sulfoxide, generates an intermediate capable of oxidizing the solvent benzene to phenol. Liquid-phase photolysis of 1,2-benzodiphenylene sulfid
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
at 800℃; under 0.1 Torr; Cyclization; Pyrolysis; | 92% |
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); cesium pivalate; bis[2-(diphenylphosphino)phenyl] ether In N,N-dimethyl acetamide at 140℃; for 24h; Schlenk technique; Inert atmosphere; Sealed tube; | 92% |
cis,trans-2,5-dimethoxytetrahydrofuran
naphtho[1,2-b]thiophene
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In dichloromethane at 0 - 20℃; for 2h; Inert atmosphere; | 90% |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With silver(I) hexafluorophosphate; [dichloro(p-cymene)(triphenylphosphane)ruthenium(II)] In chlorobenzene at -78 - 120℃; for 20h; Inert atmosphere; | 90% |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With platinum(II) chloride In toluene at 100℃; for 12h; Inert atmosphere; | 85% |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With 5,10,15,20-tetraphenylporphyrinatochromium(III) hexafluoroantimonate In 1,2-dichloro-ethane at 100℃; for 2h; Inert atmosphere; Sealed tube; | 78% |
Conditions | Yield |
---|---|
With iodine In cyclohexane for 4h; Irradiation; | 72% |
benzo[b]naphtho[2,1-d]iodol-11-ium trifluoromethanesulfonate
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With triethylammonium N-benzyldithiocarbamate; copper(II) sulfate In acetonitrile at 60℃; for 5h; Sealed tube; Inert atmosphere; | 71% |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate; triphenylphosphine In N,N-dimethyl-formamide at 80℃; for 2h; Inert atmosphere; | 65% |
Conditions | Yield |
---|---|
With palladium(II) trifluoroacetate; silver(I) acetate; Trimethylacetic acid at 130℃; for 24h; Schlenk technique; | 60% |
With palladium(II) trifluoroacetate; silver(I) acetate; potassium carbonate at 130℃; for 24h; Schlenk technique; | 56% |
With n-butyllithium; potassium tert-butylate In tetrahydrofuran; diethyl ether; hexane at 20℃; | 36% |
With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; potassium tert-butylate In tetrahydrofuran; diethyl ether at 25℃; for 0.0166667h; Inert atmosphere; | 32% |
Benzo[b]thiophene
A
benzothiophene-1,1-dioxide
B
benzo[b]naphtho[2,1-d]thiophene 11-oxide
C
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0 - 20℃; | A 60% B 0.026 g C 0.018 g D 0.045 g E 0.015 g |
C22H16S
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In CH3Cl at 65℃; | 42% |
2-ethynyl-thiophene
2-(benzo[b]thiophen-2-yl)benzenamine
A
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With tris[2-phenylpyridinato-C2,N]iridium(III); tert.-butylnitrite In acetonitrile at 20℃; for 15h; Irradiation; | A n/a B 40% |
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); cesium pivalate; bis[2-(diphenylphosphino)phenyl] ether In N,N-dimethyl acetamide at 140℃; for 24h; Schlenk technique; Inert atmosphere; Sealed tube; | 30% |
Conditions | Yield |
---|---|
at 800℃; under 0.1 Torr; Cyclization; rearrangement; Pyrolysis; | A 9% B 24% |
2-(cyclohex-1-en-1-yl)naphthalene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
C
2-phenylnaphthalene
Conditions | Yield |
---|---|
With hydrogen sulfide at 550℃; for 4.5h; Mechanism; Product distribution; object of study: sulfur bridging reaction; | A 9.2% B 2.8% C 8% |
3-(2-methylbenzoyl)benzothiophene
A
11-thiabenzo[a]fluorene
B
<1>benzothieno<2,3-b>-1,4-naphthoquinone
Conditions | Yield |
---|---|
at 350℃; |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With pyridine; copper(I) oxide; acetic anhydride at 200℃; |
7,8,9,10-tetrahydrobenzonaphtho<2,1-d>thiophene
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With selenium at 300℃; | |
With selenium |
1-chloro-7,8,9,10-tetrahydro-benzo[b]naphtho[2,1-d]thiophene
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With selenium at 300℃; |
benzo[b]naphtho[2,1-d]thiophene-1,4-quinone
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With tetrahydrofuran; lithium aluminium tetrahydride |
2-methyl-3-benzoylbenzothiophene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
C
<1>benzothieno<2,3-b>-1,4-naphthoquinone
Conditions | Yield |
---|---|
at 360℃; for 2.5h; Yield given. Further byproducts given. Title compound not separated from byproducts; | A 2 % Turnov. B 4 % Turnov. C n/a D 40 % Turnov. |
2-methyl-3-benzoylbenzothiophene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
C
<1>benzothieno<2,3-b>-1,4-naphthoquinone
E
11-hydroxybenzonaphtho<2,3-d>thiophene
Conditions | Yield |
---|---|
at 420℃; for 0.5h; Product distribution; other temperatures; other time; | A 4 % Turnov. B 6 % Turnov. C n/a D 12.5 % Turnov. E n/a |
2-methyl-3-benzoylbenzothiophene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
D
11-hydroxybenzonaphtho<2,3-d>thiophene
Conditions | Yield |
---|---|
at 360℃; for 2.5h; Further byproducts given. Title compound not separated from byproducts; | A 2 % Turnov. B 4 % Turnov. C 40 % Turnov. D n/a |
at 360℃; for 2.5h; Yield given. Further byproducts given; | A 2 % Turnov. B 4 % Turnov. C 40 % Turnov. D n/a |
3-(2-methylbenzoyl)benzothiophene
A
11-thiabenzo[a]fluorene
B
<1>benzothieno<2,3-b>-1,4-naphthoquinone
C
11-hydroxybenzonaphtho<2,3-d>thiophene
D
3-(2-methylbenzyl)benzothiophene
Conditions | Yield |
---|---|
at 420℃; for 0.5h; | A 64.5 % Turnov. B n/a C n/a D 11 % Turnov. |
at 420℃; for 0.5h; Product distribution; other temperatures; other time; | A 64.5 % Turnov. B n/a C n/a D 11 % Turnov. |
at 360℃; for 2.5h; Yield given; | A 36 % Turnov. B n/a C n/a D 3 % Turnov. |
at 420℃; for 0.5h; Title compound not separated from byproducts; | A 64.5 % Turnov. B n/a C n/a D 11 % Turnov. |
2-(2-methylbenzoyl)benzothiophene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
C
<1>benzothieno<2,3-b>-1,4-naphthoquinone
D
6-hydroxybenzonaphtho<2,3-d>thiophene
E
2-(2-methylbenzyl)benzothiophene
Conditions | Yield |
---|---|
at 420℃; for 0.5h; Product distribution; other temperatures; other time; | A 2.5 % Turnov. B 30 % Turnov. C n/a D n/a E 0.5 % Turnov. |
2-(2-methylbenzoyl)benzothiophene
A
11-thiabenzo[a]fluorene
B
benzo[b]naphtho[2,3-d]thiophene
C
6-hydroxybenzonaphtho<2,3-d>thiophene
D
2-(2-methylbenzyl)benzothiophene
Conditions | Yield |
---|---|
at 420℃; for 0.5h; Further byproducts given; | A 2.5 % Turnov. B 30 % Turnov. C n/a D 0.5 % Turnov. |
at 360℃; for 2.5h; Title compound not separated from byproducts; | A 3.3 % Turnov. B 2.2 % Turnov. C n/a D 19.5 % Turnov. |
benzo[b]naphtho[2,1-d]thiophene 11-oxide
benzene
A
11-thiabenzo[a]fluorene
B
phenol
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Irradiation; Title compound not separated from byproducts.; |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With air Formation of xenobiotics; Heating; |
11-thiabenzo[a]fluorene
5-nitrobenzonaphtho<2,1-d>thiophene
Conditions | Yield |
---|---|
With nitric acid; acetic acid for 0.166667h; Heating; | 90% |
With nitric acid; acetic acid for 2h; Ambient temperature; | 90% |
With nitric acid In dichloromethane; water at 0℃; for 0.5h; | 76% |
With sulfuric acid; nitric acid In acetic acid at 0℃; for 0.0833333h; | 67% |
With nitric acid; acetic acid |
11-thiabenzo[a]fluorene
5-bromobenzonaphtho<2,1-d>thiophene
Conditions | Yield |
---|---|
With bromine In chloroform for 3h; Ambient temperature; | 81% |
Multi-step reaction with 3 steps 1: 90 percent / nitric acid, glacial acetic acid / 2 h / Ambient temperature 2: 80 percent / SnCl2*2H2O, HCl / various solvent(s) / 1 h / Heating 3: 1.) HCl, NaNO2, 2.) CuBr, 40percent HBr / 1.) H2O, 0 deg C, 2.) H2O, 80 deg C, 1 h View Scheme |
11-thiabenzo[a]fluorene
acetyl chloride
5-acetylbenzonaphtho<2,1-d>thiophene
Conditions | Yield |
---|---|
With tin(IV) chloride In benzene for 2h; Heating; | 80% |
11-thiabenzo[a]fluorene
benzonaphtho<2,1-d>thiophene-5-sulfonic acid
Conditions | Yield |
---|---|
With chlorosulfonic acid In chloroform for 0.5h; Ambient temperature; | 80% |
With chlorosulfonic acid In dichloromethane at 22℃; for 2h; | 3% |
With chlorosulfonic acid In chloroform |
[Rh(H)(Ph)(η5-pentamethylcyclopentadienyl)(PMe3)]
11-thiabenzo[a]fluorene
((CH3)5C5)Rh(P(CH3)3)(C16H10S)
Conditions | Yield |
---|---|
In Cyclohexane-d12 N2-atmosphere, sealed NMR tube; 68°C (70 h); evapn.; elem. anal.; | 75% |
formaldehyd
11-thiabenzo[a]fluorene
5-chloromethylbenzonaphtho<2,1-d>thiophene
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid; zinc(II) chloride at 60℃; for 10h; | 74% |
Conditions | Yield |
---|---|
With silver tetrafluoroborate In 1,2-dichloro-ethane at 25℃; Inert atmosphere; | 72% |
11-thiabenzo[a]fluorene
acetic anhydride
5-acetylbenzonaphtho<2,1-d>thiophene
Conditions | Yield |
---|---|
With aluminium trichloride In carbon disulfide 1.) 10 deg C, 1 h, 2.) 45 deg C, 3 h; | 69% |
Conditions | Yield |
---|---|
sulfided catalyst CMA-2 In methanol; benzene at 450℃; Product distribution; | 69% |
nickel In ethanol at 78.3℃; for 1h; Rate constant; |
Conditions | Yield |
---|---|
With silver tetrafluoroborate In 1,2-dichloro-ethane at 25℃; Inert atmosphere; | 52% |
11-thiabenzo[a]fluorene
benzo[b]naphtho[2,1-d]thiophene 11,11-dioxide
Conditions | Yield |
---|---|
With dihydrogen peroxide; acetic acid for 12h; Reflux; | 48% |
With dihydrogen peroxide; acetic acid | |
With dihydrogen peroxide In acetic acid for 1h; Heating; |
11-thiabenzo[a]fluorene
Conditions | Yield |
---|---|
With chlorosulfonic acid In dichloromethane at 0 - 22℃; Temperature; | A 46% B 40% |
Conditions | Yield |
---|---|
sulfided catalyst CMA-2 In methanol; benzene at 350℃; Product distribution; | A 42% B n/a |
Conditions | Yield |
---|---|
boiling;; | 15% |
boiling;; | 15% |
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