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inquiryProduct Description Product website: http://www.finerchem.com Product Name 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one CAS
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inquiryName: Cyclopenta[2,1-b;3,4-b']dithiophen-4-one Synonyms: 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one CAS: 25796-77-4 MF: C9H4OS2 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Powder Storage:Store in sealed containers at cool & dr
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inquiry4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one CAS:25796-77-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing
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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
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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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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
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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
Our Strength: -Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs. -Innovative: We are focusing on the development of new products and keep close relationships with
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiryProduct Name: 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one Synonyms: 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one;3,4-b']dithiophen-4-one;Cyclopenta[2,1-b;4H-Cyclopenta-[2,1-b:3,4-b']dithiophene-4-one;4H-Cyclopenta[1,2-b:5,4-b'
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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
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inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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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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inquirybis(2-iodo-3-thienyl)methanone
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With copper In N,N-dimethyl-formamide Reflux; | 99% |
With copper In N,N-dimethyl-formamide for 15h; Ullmann reaction; Reflux; | 95% |
With copper In N,N-dimethyl-formamide for 15h; Ullmann coupling reaction; Heating; | 90% |
2,6-bis(trimethylsilyl)-4H-cyclopenta[2,1-b:3,4-b′]dithiophen-4-one
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid In chloroform at 20℃; for 1h; | 95% |
spiro[4H-cyclopenta[2,1-b;3,4-b']-dithiophene-4,2'-[1,3]dioxolan]
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With hydrogenchloride Hydrolysis; | 91% |
3,3'dibromo-2,2'-bithiophene
N,N-Dimethylcarbamoyl chloride
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Stage #1: 3,3'dibromo-2,2'-bithiophene With n-butyllithium In diethyl ether; hexane at -78℃; for 2h; Inert atmosphere; Stage #2: N,N-Dimethylcarbamoyl chloride In diethyl ether; hexane at -78 - 20℃; Inert atmosphere; | 79% |
Stage #1: 3,3'dibromo-2,2'-bithiophene With n-butyllithium In diethyl ether at -78℃; for 1h; Inert atmosphere; Stage #2: N,N-Dimethylcarbamoyl chloride In diethyl ether at -78 - 20℃; Inert atmosphere; | 76% |
Stage #1: 3,3'dibromo-2,2'-bithiophene With n-butyllithium In diethyl ether; hexane at -70℃; for 1h; Inert atmosphere; Stage #2: N,N-Dimethylcarbamoyl chloride In diethyl ether; hexane for 3h; Inert atmosphere; | 75.1% |
Stage #1: 3,3'dibromo-2,2'-bithiophene With n-butyllithium In diethyl ether at -78℃; for 2h; Stage #2: N,N-Dimethylcarbamoyl chloride In diethyl ether at 20℃; | 68% |
Stage #1: 3,3'dibromo-2,2'-bithiophene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique; Inert atmosphere; Stage #2: N,N-Dimethylcarbamoyl chloride In tetrahydrofuran; hexane at -78 - 0℃; for 3h; Schlenk technique; Inert atmosphere; | 58% |
2,3-thiophenedicarboxylic acid anhydride
A
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
B
4,8-dihydrobenzo[1,2-b:4,5-b']dithiophene-4,8-dione
Conditions | Yield |
---|---|
at 500℃; under 1 - 5 Torr; | A 1.2% B n/a |
3-thiophene carboxaldehyde
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 94 percent / PCC / CH2Cl2 / 12 h / 20 °C 2: 90 percent / Cu / dimethylformamide / 15 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1.1: n-butyllithium / diethyl ether; hexane / 0.5 h / -78 °C 1.2: -78 - 20 °C 2.1: n-butyllithium / diethyl ether; hexane / 0.5 h / -78 °C 2.2: -78 - 20 °C 3.1: pyridinium chlorochromate / dichloromethane / 12 h / 20 °C 4.1: copper / N,N-dimethyl-formamide / 15 h / Reflux View Scheme | |
Multi-step reaction with 4 steps 1.1: n-butyllithium / diethyl ether / -78 °C 1.2: -78 - 20 °C 2.1: n-butyllithium / diethyl ether / -23 - 20 °C 2.2: -23 - 20 °C 3.1: pyridinium chlorochromate / 1,2-dichloro-ethane / 80 °C 4.1: copper / N,N-dimethyl-formamide / Reflux View Scheme |
bis(2-iodothiophen-3-yl)methanol
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / PCC / CH2Cl2 / 12 h / 20 °C 2: 90 percent / Cu / dimethylformamide / 15 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: pyridinium chlorochromate / dichloromethane / 12 h / 20 °C 2: copper / N,N-dimethyl-formamide / 15 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: pyridinium chlorochromate / 1,2-dichloro-ethane / 80 °C 2: copper / N,N-dimethyl-formamide / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: pyridinium chlorochromate / dichloromethane / 10 h / 25 °C 2: copper / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: pyridinium chlorochromate / dichloromethane / 10 h / 25 °C 2: copper / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere View Scheme |
di(thiophen-3-yl)methanone
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 66 percent / TMSOTf / CH2Cl2 / 3 h / 20 °C 2.1: n-BuLi; I2 2.2: 90 percent / Cu / dimethylformamide / 15 h / Heating 3.1: 91 percent / aq. HCl View Scheme |
2,2-Di(3-thienyl)-1,3-dioxolane
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-BuLi; I2 1.2: 90 percent / Cu / dimethylformamide / 15 h / Heating 2.1: 91 percent / aq. HCl View Scheme |
thiophene-2,3-dicarboxylic acid
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 99.7 percent / acetic anhydride / 2 h / Heating 2: 1.2 percent / 500 °C / 1 - 5 Torr View Scheme |
1,1-di(thien-3-yl)-methanol
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / diethyl ether; hexane / 0.5 h / -78 °C 1.2: -78 - 20 °C 2.1: pyridinium chlorochromate / dichloromethane / 12 h / 20 °C 3.1: copper / N,N-dimethyl-formamide / 15 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1.1: n-butyllithium / diethyl ether / -23 - 20 °C 1.2: -23 - 20 °C 2.1: pyridinium chlorochromate / 1,2-dichloro-ethane / 80 °C 3.1: copper / N,N-dimethyl-formamide / Reflux View Scheme |
3-bromo-[2,2’]bithiophenyl
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: acetic acid; N-Bromosuccinimide / chloroform / 20 h / 20 - 50 °C 2.1: n-butyllithium / diethyl ether / Inert atmosphere 2.2: Inert atmosphere 3.1: n-butyllithium / hexane; tetrahydrofuran / -60 - -30 °C / Inert atmosphere 3.2: -30 - 0 °C / Inert atmosphere 4.1: trifluoroacetic acid / chloroform / 1 h / 20 °C View Scheme |
3,3'-dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / -60 - -30 °C / Inert atmosphere 1.2: -30 - 0 °C / Inert atmosphere 2.1: trifluoroacetic acid / chloroform / 1 h / 20 °C View Scheme |
3,3',5,5'-tetrabromo-2,2'-bithiophene
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / diethyl ether / Inert atmosphere 1.2: Inert atmosphere 2.1: n-butyllithium / hexane; tetrahydrofuran / -60 - -30 °C / Inert atmosphere 2.2: -30 - 0 °C / Inert atmosphere 3.1: trifluoroacetic acid / chloroform / 1 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: zinc; acetic acid; hydrogenchloride / ethanol; water / 3 h / 70 °C / Inert atmosphere 2.1: n-butyllithium / diethyl ether; hexane / 1 h / -70 °C / Inert atmosphere 2.2: 3 h / Inert atmosphere View Scheme |
[2,2'-bithiophene]-3-carboxylic acid
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride; N,N-dimethyl-formamide / 12 h / 20 °C / Reflux 2: aluminum (III) chloride / dichloromethane / 4 h / 0 - 20 °C / Inert atmosphere View Scheme | |
Stage #1: [2,2'-bithiophene]-3-carboxylic acid With thionyl chloride In N,N-dimethyl-formamide for 12h; Reflux; Stage #2: With aluminum (III) chloride In dichloromethane at 0 - 20℃; for 9h; | 20.7 mg |
3-Thiophene carboxylic acid
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; dipotassium hydrogenphosphate; silver(l) oxide / tert-butyl alcohol / 24 h / 130 °C / Schlenk technique; Inert atmosphere 2: thionyl chloride; N,N-dimethyl-formamide / 12 h / 20 °C / Reflux 3: aluminum (III) chloride / dichloromethane / 4 h / 0 - 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: dipotassium hydrogenphosphate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; silver(l) oxide / tert-butyl alcohol / 24 h / 20 - 130 °C / Inert atmosphere 2.1: thionyl chloride / N,N-dimethyl-formamide / 12 h / Reflux 2.2: 9 h / 0 - 20 °C View Scheme |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With aluminum (III) chloride In dichloromethane at 0 - 20℃; for 4h; Inert atmosphere; | 20.5 mg |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
dimethyl 4,5-bis(methylthio)-1,3-dithiole phosphonate ester
4-(4,5-Bis-methylsulfanyl-[1,3]dithiol-2-ylidene)-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 98% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 98% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
4-(4,5-Bis-hexylsulfanyl-[1,3]dithiol-2-ylidene)-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 96% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 96% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With N-Bromosuccinimide; acetic acid at 20℃; | 96% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 25℃; | 94% |
With bromine In dichloromethane at 20℃; for 2h; Inert atmosphere; | 87.1% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 20℃; for 0.166667h; | |
With N-Bromosuccinimide In tetrahydrofuran at 0℃; for 2.25h; Inert atmosphere; | 17.3 g |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
malononitrile
4-dicyanomethylene-4H-cyclopenta<2,1-b;3,4-b'>dithiophene
Conditions | Yield |
---|---|
With piperidine | 93% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
2-(dimethoxyphosphoryl)-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester
2-Cyclopenta[2,1-b;3,4-b']dithiophen-4-ylidene-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 91% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
N,N-dimethyl-formamide
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-carbaldehyde
Conditions | Yield |
---|---|
With trichlorophosphate In 1,2-dichloro-ethane at 0 - 80℃; for 6h; | 91% |
With trichlorophosphate In dichloromethane at 0 - 80℃; for 6h; | 91% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
dimethyl 1,3-benzodithiol-2-ylphosphonate
4-Benzo[1,3]dithiol-2-ylidene-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 89% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 89% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide In ethylene glycol at 180℃; | 89% |
With hydrazine hydrate; potassium hydroxide In ethylene glycol at 200℃; for 2h; Inert atmosphere; | 67% |
With potassium hydroxide; hydrazine In ethylene glycol at 190℃; for 13h; | 66% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
ethane-1,2-dithiol
C11H8S4
Conditions | Yield |
---|---|
With aluminium trichloride In 1,2-dichloro-ethane at 20℃; for 1h; | 89% |
With aluminum (III) chloride In 1,2-dichloro-ethane at 20℃; | |
With aluminum (III) chloride In chloroform at 25℃; Inert atmosphere; |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
3-bromo-[2,2’]bithiophenyl
4-(2,2’-bithiophen-3-yl)-4-hydroxycyclopenta[2,1-b;3,4-b’]dithiophene
Conditions | Yield |
---|---|
Stage #1: 3-bromo-[2,2’]bithiophenyl With n-butyllithium In diethyl ether; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one In diethyl ether; hexane at -78 - 20℃; for 6h; Inert atmosphere; | 88% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
2,6-di-iodo-cyclopenta[1,t2-b:5,4-b’]dithiophen-4-one
Conditions | Yield |
---|---|
With N-iodo-succinimide; trifluoroacetic acid In acetonitrile at 20℃; | 88% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
1-bromo-4-octyloxybenzene
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 50℃; for 18h; Inert atmosphere; | 85% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
2-Bromobiphenyl
4-(Biphenyl-2-yl)-4-hydroxy-4H-cyclopenta[2,1-b:3,4-b']dithiophene
Conditions | Yield |
---|---|
Stage #1: 2-Bromobiphenyl With n-butyllithium In hexane for 1h; Heating; Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one In tetrahydrofuran; hexane at -70℃; for 1h; Further stages.; | 83% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With bromine In dichloromethane at 20℃; for 2h; Inert atmosphere; | 82.9% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
10-(dicyanomethylidene)-9(10H)-anthrone hydrazone
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate acidic; | 80% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
4-(2′-ethylhexylidene)-4H-cyclopenta[2,1-b:3,4-b′]-dithiophene
Conditions | Yield |
---|---|
Stage #1: (2-ethylhexyl)triphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane at -82℃; Inert atmosphere; Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one In tetrahydrofuran; hexane at -82℃; for 0.5h; | 79% |
Stage #1: (2-ethylhexyl)triphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at -78℃; Inert atmosphere; Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one In tetrahydrofuran; diethyl ether at -78 - 20℃; Inert atmosphere; | 77% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
4-(4,5-Bis-butylsulfanyl-[1,3]dithiol-2-ylidene)-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 78% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 78% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
10-hydrazono-9,10-dihydroanthracen-9-one
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate | 76% |
Conditions | Yield |
---|---|
Stage #1: benzyl bromide With triphenylphosphine Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one With sodium ethanolate Wittig Olefination; | 76% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
n-octyltriphenylphosphoniumbromide
4-(octylidene)-4H-cyclopenta[2,1-b:3,4-b′]dithiophene
Conditions | Yield |
---|---|
Stage #1: n-octyltriphenylphosphoniumbromide With n-butyllithium In tetrahydrofuran; hexane at -82℃; Inert atmosphere; Stage #2: 4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one In tetrahydrofuran; hexane at -82℃; for 0.5h; | 74% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
2-dimethoxyphosphinyl-4,5-dimethyl-1,3-dithiole
4-(4,5-Dimethyl-[1,3]dithiol-2-ylidene)-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 71% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 71% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
1-bromo-4-octylbenzene
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 50℃; for 18h; Inert atmosphere; | 70% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate; hydrazine | 68% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
dimethyl (1,3-dithiol-2-yl)phosphonate
4-(1,3-Dithiol-2-ylidene)-4H-cyclopenta<2,1-b;3,4-b'>dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 65% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 65% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
dimethyl 4,5-bis(decylthio)-2H-1,3-dithiol-2-ylphosphonate
4-(4,5-Bis-decylsulfanyl-[1,3]dithiol-2-ylidene)-4H-cyclopenta[2,1-b;3,4-b']dithiophene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran | 64% |
With n-butyllithium In tetrahydrofuran; hexane 1.) -78 deg C, 15 min; 2.) 20 min; | 64% |
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one
Conditions | Yield |
---|---|
With bromine In chloroform at 70℃; for 12h; | 63% |
With bromine In chloroform for 12h; Reflux; | 63% |
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