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Dayang Chem (Hangzhou) Co.,Ltd.

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

Pentacene Manufacturer/High quality/Best price/In stock

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome 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

High quality Pentacene 99% supplier in China

Cas:135-48-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:w

Pentacene

Cas:135-48-8

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The 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 providi

Factory Supply Pentacene 99%

Cas:135-48-8

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. 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

Factory Price OLED 99% 135-48-8 Pentacene Manufacturer

Cas:135-48-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our 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

Pentacene

Cas:135-48-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name Pentacene CAS No. 135-48-8

Pentacene

Cas:135-48-8

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

135-48-8 Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Food GradeCAS 135-48-8 with high-quality service

Cas:135-48-8

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Pentacene chemical raw material

Cas:135-48-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: Pentacene Appearance: White powder CAS: 135-48-8 MF: C22H14 MW: 278.35 EINECS: 205-193-7 Appearance:White powder Storage:Store in cool and dry place, away fro

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Pentacene 135-48-8

Cas:135-48-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $76.0 / 85.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Pentacene CAS:135-48-8 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 organic intermediates, st

Pentacene CAS:135-48-8

Cas:135-48-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $260.0 / 300.0

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Pentacene CAS NO.135-48-8

Cas:135-48-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

Pentacene

Cas:135-48-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality Appearance:solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Pentacene is a polycyclic aromatic compound found in wastewater

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

Pentacene

Cas:135-48-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2,3,6,7-DIBENZANTHRACENE

Cas:135-48-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A 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

Pentacene

Cas:135-48-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

High quality Pentacene

Cas:135-48-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

Pentacene

Cas:135-48-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Pentacene Cas NO.: 135-48-8 Our 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,

Pentacene Cas NO.: 135-48-8

Cas:135-48-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

PentaceneCAS NO.: 135-48-8

Cas:135-48-8

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

Pentacene

Cas:135-48-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Pentacene Basic information Product Name: Pentacene Synonyms: LIN-NAPHTHOANTHRACENE;BENZO[B]NAPHTHACENE;Lin-Dibenzanthracene;PENTACENE;Pentacene, 98% 100MG;Pentacene (crude);entacene;Pentacene 99% CAS: 135-48-8 MF: C22H14 MW: 278.35 E

Pentacene

Cas:135-48-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

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

Pentacene

Cas:135-48-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Synthetic route

6,13-dihydro-6,13-epithiomethanopentacen-16-one
783321-43-7

6,13-dihydro-6,13-epithiomethanopentacen-16-one

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
at 220℃; UV-irradiation;100%
6,13-dihydro-6,13-ethanopentacene-15,16-dione

6,13-dihydro-6,13-ethanopentacene-15,16-dione

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
In chloroform at 20℃; Irradiation;96%
In toluene at 20℃; Irradiation;74%
In toluene UV-irradiation;
Neat (no solvent); Irradiation using laser light;
for 0.0833333h; Neat (no solvent); Irradiation using xenon lamp;
6,13-dihydro-6,13-dihydroxypentacene

6,13-dihydro-6,13-dihydroxypentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride In water; N,N-dimethyl-formamide at 0℃; for 0.0291667h; Darkness;93%
With hydrogenchloride In tetrahydrofuran at -50℃; for 0.25h; Inert atmosphere; Reflux;
5,14-dihydro-pentacene
20244-36-4

5,14-dihydro-pentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
palladium on activated charcoal In xylene for 72h; Heating;92%
2,2'-(1,3-phenylenebis(methylene))dibenzaldehyde

2,2'-(1,3-phenylenebis(methylene))dibenzaldehyde

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With trifluoroacetic acid at 20℃; for 5h;83%
6,13-pentacenequinone
3029-32-1

6,13-pentacenequinone

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Stage #1: 6,13-pentacenequinone With sodium tetrahydroborate; water In tetrahydrofuran at 0 - 60℃; for 2h;
Stage #2: With hydrogenchloride; tin(II) chloride dihdyrate In N,N-dimethyl-formamide at 0℃; for 0.0208333h; Darkness;
79%
Multistep reaction.;54%
With lithium aluminium tetrahydride In tetrahydrofuran for 0.5h; Inert atmosphere; Cooling with ice;54%
With oxidizing agent; diborane 1.) diglyme; Multistep reaction;
Multi-step reaction with 2 steps
1: 70 percent / KBH4 / methanol / several d
2: 67 percent / KI, sodium hyposulfite / acetic acid / 3 h / Heating
View Scheme
dihydroxy-6,13 dihydro-6,13 pentacene cis
76727-08-7

dihydroxy-6,13 dihydro-6,13 pentacene cis

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With sodium thiosulfate; potassium iodide In acetic acid for 3h; Heating;67%
6,13-dihydro-14-hydroxy-6,13-ethenopentacene
104942-18-9

6,13-dihydro-14-hydroxy-6,13-ethenopentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With 1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester In dipentyl ether for 0.025h; Reflux;48%
3,6-di(2'-pyridyl)-1,2,4,5-tetrazine
1671-87-0

3,6-di(2'-pyridyl)-1,2,4,5-tetrazine

6,13-dihydro-14-hydroxy-6,13-ethenopentacene
104942-18-9

6,13-dihydro-14-hydroxy-6,13-ethenopentacene

A

pentacene
135-48-8

pentacene

B

6,13-dihydro-6,13-[4',5']-3',6'-(di-2"-pyridyl)pyridazinopentacene
1370025-49-2

6,13-dihydro-6,13-[4',5']-3',6'-(di-2"-pyridyl)pyridazinopentacene

C

3,6-di(pyridin-2'-yl)-s-tetrazine
36901-11-8

3,6-di(pyridin-2'-yl)-s-tetrazine

D

3,6-di(pyridin-2-yl)-1,4-dihydro-1,2,4,5-tetrazine
1671-86-9

3,6-di(pyridin-2-yl)-1,4-dihydro-1,2,4,5-tetrazine

Conditions
ConditionsYield
In dipentyl ether for 2h; Diels-Alder-retro-Diels-Alder; Reflux;A 28%
B n/a
C n/a
D n/a
1H-cyclopropa[b]naphthalene
286-85-1

1H-cyclopropa[b]naphthalene

A

6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

B

1,2-bis(2-naphthyl)ethane
21969-45-9

1,2-bis(2-naphthyl)ethane

C

pentacene
135-48-8

pentacene

D

6,7-dihydropentaphene
112223-66-2

6,7-dihydropentaphene

E

2-Methylnaphthalene
91-57-6

2-Methylnaphthalene

Conditions
ConditionsYield
With potassium sand; cadmium(II) chloride In tetrahydrofuran at -40 - 0℃; Product distribution; Mechanism; multistep reaction; further temperatures, further metal surface;A 2%
B 2%
C 2%
D 4%
E 24%
6,13-dihydro-6,13-methanopentacene-15-one
904913-36-6

6,13-dihydro-6,13-methanopentacene-15-one

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
In tetrahydrofuran Photolysis;16.2%
at 150 - 160℃; for 1h;
at -268.16℃; for 0.25h; UV-irradiation;
5,14-dihydro-5,14-methanopentacen-15-one
1037314-15-0

5,14-dihydro-5,14-methanopentacen-15-one

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
In tetrahydrofuran Temperature; Wavelength; Photolysis;16.2%
In tetrahydrofuran UV-irradiation;
6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With nitrobenzene; 9,10-phenanthrenequinone
With chloranil; xylene
With copper at 380℃; under 12 - 20 Torr;
Δ4a(14a),7a(11a)-octadecahydro-pentacene

Δ4a(14a),7a(11a)-octadecahydro-pentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With palladium on activated charcoal at 245℃;
tetrachloromethane
56-23-5

tetrachloromethane

6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

chloranil
118-75-2

chloranil

pentacene
135-48-8

pentacene

15r.16c.18.19-tetrachloro-17.20-dioxo-6.13.15.16.17.20-hexahydro-6.13-o-benzeno-pentacene
859943-68-3

15r.16c.18.19-tetrachloro-17.20-dioxo-6.13.15.16.17.20-hexahydro-6.13-o-benzeno-pentacene

nitrobenzene
98-95-3

nitrobenzene

A

pentacene
135-48-8

pentacene

B

chloranil
118-75-2

chloranil

6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

nitrobenzene
98-95-3

nitrobenzene

9,10-phenanthrenequinone
84-11-7

9,10-phenanthrenequinone

pentacene
135-48-8

pentacene

5,14:7,12-diepoxy-5,7,12,14-tetrahydro-5,7,12,14-tetrakis(trimethylsilyl)pentacene
100790-90-7, 100895-73-6

5,14:7,12-diepoxy-5,7,12,14-tetrahydro-5,7,12,14-tetrakis(trimethylsilyl)pentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With lithium aluminium tetrahydride; trifluoroacetic acid 1.) benzene, 3 h, 2.) THF, RT, 2 h; Multistep reaction;
1H-cyclopropa[b]naphthalene
286-85-1

1H-cyclopropa[b]naphthalene

A

6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

B

1,2-bis(2-naphthyl)ethane
21969-45-9

1,2-bis(2-naphthyl)ethane

C

pentacene
135-48-8

pentacene

D

6,7-dihydropentaphene
112223-66-2

6,7-dihydropentaphene

Conditions
ConditionsYield
With potassium mirror; cadmium(II) chloride 1.) THF, 0 deg C, 30 min; r.t., 45 min, 2.) THF, reflux, overnight; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
With potassium mirror; cadmium(II) chloride 1.) THF, 0 deg C, 30 min; r.t., 45 min, 2.) THF, reflux, overnight; Multistep reaction. Further byproducts given. Yields of byproduct given;
With potassium sand; cadmium(II) chloride 1.) THF, -40 deg C, 50 min, 2.) THF, r.t., overnight; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
1,5-dibenzoyl-2,4-dimethyl-benzene
57878-28-1

1,5-dibenzoyl-2,4-dimethyl-benzene

A

6,13-dihydropentacene
13579-08-3

6,13-dihydropentacene

B

pentacene
135-48-8

pentacene

C

2-methylanthracene
613-12-7

2-methylanthracene

D

hydrocarbon C22H16

hydrocarbon C22H16

Conditions
ConditionsYield
Pyrolysis;
5-benzyl-2,4-dimethyl-benzophenone
860563-90-2

5-benzyl-2,4-dimethyl-benzophenone

copper-powder

copper-powder

A

pentacene
135-48-8

pentacene

B

pentaphene
222-93-5

pentaphene

Conditions
ConditionsYield
Erhitzen des Reaktionsprodukts mit Chloranil in Xylol;
C24H17NO2S

C24H17NO2S

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
retro Diels-Alder reaction; Heating;
7,14-dihydropentacene-5,12-dione
504423-06-7

7,14-dihydropentacene-5,12-dione

pentacene-5,7(12H,14H)-dione
504423-07-8

pentacene-5,7(12H,14H)-dione

diethylene glycol dimethyl ether
111-96-6

diethylene glycol dimethyl ether

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
With hydrogenchloride; sodium borohydrid; acetic acid In methanol; water
pentacene-5,7,12,14-tetraone
23912-79-0

pentacene-5,7,12,14-tetraone

aluminum tri-sec-butoxide
2269-22-9

aluminum tri-sec-butoxide

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
In cyclohexanol
6,13-dihydro-6,13-methano-15-tert-butoxypentacene
942262-46-6

6,13-dihydro-6,13-methano-15-tert-butoxypentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 83 percent / sulfuric acid; H2O / tetrahydrofuran / 48 h / 20 °C
2: 60 percent / triethylamine; sulfur trioxide/pyridine / CH2Cl2; dimethylsulfoxide / 12.5 h / 20 °C
3: 1 h / 150 - 160 °C
View Scheme
6,13-dihydro-6,13-methano-15-hydroxypentacene
942262-51-3

6,13-dihydro-6,13-methano-15-hydroxypentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 60 percent / triethylamine; sulfur trioxide/pyridine / CH2Cl2; dimethylsulfoxide / 12.5 h / 20 °C
2: 1 h / 150 - 160 °C
View Scheme
6,13-dihydro-6,13-ethenopentacene

6,13-dihydro-6,13-ethenopentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 98 percent / N-methylmorpholine-N-oxide*2H2O; OsO4 / 2-methyl-propan-2-ol; acetone / 32 h / 20 °C
2: 43 percent / trifluoroacetic anhydride; DMSO / CH2Cl2 / -60 - 20 °C
3: toluene / UV-irradiation
View Scheme
6,13-dihydro-15,17-dihydroxy-6,13-ethanopentacene

6,13-dihydro-15,17-dihydroxy-6,13-ethanopentacene

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 43 percent / trifluoroacetic anhydride; DMSO / CH2Cl2 / -60 - 20 °C
2: toluene / UV-irradiation
View Scheme
anthranilic acid
118-92-3

anthranilic acid

1-chloro-4-methyl-thioxanthone

1-chloro-4-methyl-thioxanthone

pentacene
135-48-8

pentacene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: isoamyl nitrite / tetrahydrofuran / 2 h / Heating
1.2: 71 percent / DDQ / CHCl3 / 2 h / 20 °C
2.1: 98 percent / N-methylmorpholine-N-oxide*2H2O; OsO4 / 2-methyl-propan-2-ol; acetone / 32 h / 20 °C
3.1: 43 percent / trifluoroacetic anhydride; DMSO / CH2Cl2 / -60 - 20 °C
4.1: toluene / UV-irradiation
View Scheme
pentacene
135-48-8

pentacene

N-(2'-methyl-4-nitrophenyl)maleimide

N-(2'-methyl-4-nitrophenyl)maleimide

C33H22N2O4

C33H22N2O4

Conditions
ConditionsYield
In toluene at 100℃; Diels-Alder Cycloaddition; Sealed tube;100%
pentacene
135-48-8

pentacene

1-Phenylbut-1-en-3-one
122-57-6

1-Phenylbut-1-en-3-one

C32H24O

C32H24O

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;99%
pentacene
135-48-8

pentacene

benzalacetophenone
94-41-7

benzalacetophenone

C37H26O

C37H26O

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;99%
pentacene
135-48-8

pentacene

N-[(1S,2R)-1-methyl-2-phenyl-2-hydroxyethyl]maleimide
587055-89-8

N-[(1S,2R)-1-methyl-2-phenyl-2-hydroxyethyl]maleimide

N-[(1S,2R)-1-methyl-2-phenyl-2-hydroxyethyl]-4,11[2',3']naphtho-3a,4,11,11a-tetrahydro-1H-naphtho[2,3-f]isoindole-1,3(2H)-dione

N-[(1S,2R)-1-methyl-2-phenyl-2-hydroxyethyl]-4,11[2',3']naphtho-3a,4,11,11a-tetrahydro-1H-naphtho[2,3-f]isoindole-1,3(2H)-dione

Conditions
ConditionsYield
In xylene at 130℃; for 48h; Diels-Alder addition;98%
pentacene
135-48-8

pentacene

C11H9FO3
105507-76-4

C11H9FO3

C33H23FO3

C33H23FO3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;96%
pentacene
135-48-8

pentacene

Methyl-p-chlorbenzylidenpyruvat
42393-11-3, 97897-42-2

Methyl-p-chlorbenzylidenpyruvat

C33H23ClO3

C33H23ClO3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;95%
pentacene
135-48-8

pentacene

Methyl-3,4-dichlorbenzylidenpyruvat
42393-13-5

Methyl-3,4-dichlorbenzylidenpyruvat

C33H22Cl2O3

C33H22Cl2O3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;94%
4-(4-bromophenyl)-2-oxo-3-butenoic acid methyl ester
104093-34-7

4-(4-bromophenyl)-2-oxo-3-butenoic acid methyl ester

pentacene
135-48-8

pentacene

C33H23BrO3

C33H23BrO3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;93%
pentacene
135-48-8

pentacene

epidioxy-6,13 dihydro-6,13 pentacene
7258-98-2

epidioxy-6,13 dihydro-6,13 pentacene

Conditions
ConditionsYield
With potassium dichromate; hematoporphyrin chlorohydrate In ethanol; chloroform; water for 4h; Irradiation;92%
pentacene
135-48-8

pentacene

C11H9FO3
1210054-89-9

C11H9FO3

C33H23FO3

C33H23FO3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;92%
pentacene
135-48-8

pentacene

methyl 4-phenyl-2-oxo-3-butenoate
107969-78-8, 6395-86-4

methyl 4-phenyl-2-oxo-3-butenoate

C33H24O3

C33H24O3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;91%
N-sulphinylacetamide
16767-75-2

N-sulphinylacetamide

pentacene
135-48-8

pentacene

C24H17NO2S

C24H17NO2S

Conditions
ConditionsYield
With methyltrioxorhenium(VII) In chloroform Heating;90%
pentacene
135-48-8

pentacene

methyl (phenylmethylidene)pyruvate
100518-76-1

methyl (phenylmethylidene)pyruvate

C34H26O3

C34H26O3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;89%
pentacene
135-48-8

pentacene

C15H12O3
1201664-47-2

C15H12O3

C37H26O3

C37H26O3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;89%
vinylene carbonate
872-36-6

vinylene carbonate

pentacene
135-48-8

pentacene

C25H16O3

C25H16O3

Conditions
ConditionsYield
In xylene at 180℃; for 72h; Diels-Alder reaction;88%
In xylene at 170℃; Diels-Alder reaction;80%
pentacene
135-48-8

pentacene

5,15-bis(4′-methoxyphenyl)porphyrin
128374-11-8

5,15-bis(4′-methoxyphenyl)porphyrin

C56H40N4O2

C56H40N4O2

Conditions
ConditionsYield
In various solvent(s) at 200℃; Addition;87%
pentacene
135-48-8

pentacene

1-(4-Methoxy-2-methyl-phenyl)-pyrrole-2,5-dione

1-(4-Methoxy-2-methyl-phenyl)-pyrrole-2,5-dione

C34H25NO3

C34H25NO3

Conditions
ConditionsYield
In toluene at 100℃; for 5h; Diels-Alder Cycloaddition; Sealed tube; Inert atmosphere;84%
C11H9FO3
960382-66-5

C11H9FO3

pentacene
135-48-8

pentacene

C33H23FO3

C33H23FO3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;84%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

pentacene
135-48-8

pentacene

C26H20O

C26H20O

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;84%
pentacene
135-48-8

pentacene

tetrakis(pentafluorophenyl)porphyrin
25440-14-6

tetrakis(pentafluorophenyl)porphyrin

C66H24F20N4

C66H24F20N4

Conditions
ConditionsYield
In various solvent(s) at 200℃; Diels-Alder reaction; microwave irradiation;83%
In various solvent(s) at 200℃; Addition;60%
pentacene
135-48-8

pentacene

ethenetetracarbonitrile
670-54-2

ethenetetracarbonitrile

C28H14N4

C28H14N4

Conditions
ConditionsYield
In toluene at 100℃; for 3h; Diels-Alder reaction; Inert atmosphere;82%
N-(2,4-dimethyl-phenyl)-maleimide
1080-52-0

N-(2,4-dimethyl-phenyl)-maleimide

pentacene
135-48-8

pentacene

C34H25NO2

C34H25NO2

Conditions
ConditionsYield
In toluene at 100℃; for 5h; Diels-Alder Cycloaddition; Sealed tube; Inert atmosphere;81%
pentacene
135-48-8

pentacene

C13H8F3NO4

C13H8F3NO4

C35H22F3NO4

C35H22F3NO4

Conditions
ConditionsYield
In toluene for 12h; Diels-Alder Cycloaddition; Reflux;80%
pentacene
135-48-8

pentacene

4-Biphenyliden-2-keto-propionsaeuremethylester
68968-90-1

4-Biphenyliden-2-keto-propionsaeuremethylester

C39H28O3

C39H28O3

Conditions
ConditionsYield
With bromo-triphenyl-methane; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 24h; Diels-Alder Cycloaddition; diastereoselective reaction;79%
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