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Dayang Chem (Hangzhou) Co.,Ltd.

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

1,2,3,4,5-Pentamethylcyclopentadiene Manufacturer/High quality/Best price/In stock

Cas:4045-44-7

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 PMCP with high purity

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high purity Appearance:colorless to slight yellow liquid Storage:Sealed, dry, microtherm , avoid light and smell. Package:meet customer's demand Application:organic synthesis Transportation:by sea or by air Port:Shanghai, Qingdao

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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 PMCP

Cas:4045-44-7

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

High Quality Oled CAS 4045-44-7 1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-

Cas:4045-44-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene

Cas:4045-44-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 1,2,3,4,5-Pentamethylcyclopentadiene Synonyms: Cyclopentadiene, 1,2,3,4,5-pentamethyl-;1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE;1,2,3,4,5-pentamethyl-1,3-cyclopentadiene;PENTAMETHYLCYCLOPENTADIENE;1,2,3,4,5-PENTAMETHYLCYCLOPE

4045-44-7 1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:1 Gram

FOB Price: $8900.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With 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

1,2,3,4,5-Pentamethylcyclopentadiene CAS 4045-44-7

Cas:4045-44-7

Min.Order:1 Kilogram

FOB Price: $6.0 / 10.0

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

Hot sale CAS 4045-44-7 with best price

Cas:4045-44-7

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl- 4045-44-7

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

1,2,3,4,5-Pentamethylcyclopentadiene CAS:4045-44-7 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 quali

1,2,3,4,5-Pentamethylcyclopentadiene CAS:4045-44-7

Cas:4045-44-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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 NO.:4045-44-7

Cas:4045-44-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda

1,2,3,4,5-Pentamethylcyclopentadiene 4045-44-7

Cas:4045-44-7

Min.Order:0 Metric Ton

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

1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE

Cas:4045-44-7

Min.Order:4 Kilogram

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

1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-

Cas:4045-44-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive 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

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:1 Gram

FOB Price: $1.0

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 PMCP

Cas:4045-44-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:colourless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediat

1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 1,2,3,4,5-Pentamethylcyclopentadiene CAS No.:4045-44-7 Molecule Formula:C10H16 Molecule Weight:136.23 Purity: 95% Package: 25kg/drum Description:Light yellow powder Manufacture Standards:Enterprise Standard TESTING

High Quality 1,2,3,4,5-Pentamethylcyclopentadiene in stock

Cas:4045-44-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

1,2,3,4,5-Pentamethylcyclopentadiene Chemical Properties Boiling point 58 °C13 mm Hg(lit.) density 0.87 g/mL at 25 °C(lit.) refractive index n20/D 1.474(lit.) Fp 112 °F storage temp. −20°C form Liquid Spe

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:1 Kilogram

FOB Price: $65.0

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

1,2,3,4,5-Pentamethylcyclopentadiene CAS NO.4045-44-7

Cas:4045-44-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Hangzhou Fandachem Co.,Ltd, a China-based chemical company, specialize in exporting 1,2,3,4,5-Pentamethylcyclopentadiene,cas:4045-44-7, Please contact us by email freely. We are leading exporter in China. If you really need this cargo,

1,2,3,4,5-Pentamethylcyclopentadiene,cas:4045-44-7 from fandachem

Cas:4045-44-7

Min.Order:1 Metric Ton

Negotiable

Type:Other

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

1,2,3,4,5-Pentamethylcyclopentadiene CAS NO.4045-44-7

Cas:4045-44-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

1,2,3,4,5-Pentamethylcyclopentadiene CAS NO.4045-44-7

Cas:4045-44-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)

Capability on chemical synthesis 1. Beijing High-Tech Enterprises 2. Strong R&D Team 3. 8 years of experiences in R & D of high-tech Catalyst; 4. 5000 production techniques, 69 items of national patents, and 360 kinds of products on sal

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High 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

1,2,3,4,5-Pentamethylcyclopentadiene

Cas:4045-44-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

1,2,3,4,5-Pentamethylcyclopentadiene CAS NO.4045-44-7

Cas:4045-44-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

3,4,5-trimethyl-2,5-heptadien-4-ol
64417-15-8

3,4,5-trimethyl-2,5-heptadien-4-ol

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With C24H14Ga4N2O6(12-)*12K(1+) In water at 50℃; for 12h; pH=11; Nazarov cyclization;100%
With toluene-4-sulfonic acid In diethyl ether for 1h; Inert atmosphere; Reflux;75%
With toluene-4-sulfonic acid In diethyl ether
With K12Ga4[N,N'-bis(2,3-dihydroxybenzoyl)-1,5-diaminonapthalene]6 In dimethylsulfoxide-d6; water-d2 at 45℃; pH=8; Nazarov cyclization;
7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-7-tridecanol
874964-07-5

7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-7-tridecanol

A

tridecan-7-one
462-18-0

tridecan-7-one

B

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
In toluene for 30h; Heating;A 98%
B 100%
(4-buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
862387-21-1

(4-buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

p-butoxybenzaldehyde
5736-88-9

p-butoxybenzaldehyde

Conditions
ConditionsYield
In toluene at 110℃; for 3h;A n/a
B 97%
10-chloro-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-decanol
874964-03-1

10-chloro-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-decanol

A

10-chlorodecanal
874963-99-2

10-chlorodecanal

B

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 12h;A 95%
B n/a
4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]benzonitrile

4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]benzonitrile

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

Conditions
ConditionsYield
In toluene at 110℃; for 3h;A n/a
B 93%
1-{4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]phenyl}-2-methyl-1-propanone

1-{4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]phenyl}-2-methyl-1-propanone

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

4-isobutyrylbenzaldehyde
97382-57-5

4-isobutyrylbenzaldehyde

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 93%
(4-bromophenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
862387-12-0

(4-bromophenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 92%
1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-dodecanol
874963-98-1

1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-1-dodecanol

A

Dodecanal
112-54-9

Dodecanal

B

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 12h;A 92%
B n/a
5-formylpentamethylcyclopentadiene
73057-50-8

5-formylpentamethylcyclopentadiene

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With n-butyllithium; cyclopenta-1,3-diene In tetrahydrofuran; hexane91%
methyl 4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]benzoate
862387-17-5

methyl 4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]benzoate

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

methyl 4-formylbenzoate
1571-08-0

methyl 4-formylbenzoate

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 91%
1,2,3,3,4,5-hexamethyl-6-methylene-cyclohexa-1,4-diene
3043-52-5

1,2,3,3,4,5-hexamethyl-6-methylene-cyclohexa-1,4-diene

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

Hexamethylbenzene
87-85-4

Hexamethylbenzene

Conditions
ConditionsYield
With tetrafluoroboric acid In water for 24h; Ambient temperature; Irradiation; Title compound not separated from byproducts;A 90%
B 7 % Chromat.
In water Product distribution; Mechanism; Ambient temperature; Irradiation; formation of heptamethylbenzenium cation with dissolution in different acids;
(2-naphthyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
862387-13-1

(2-naphthyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

β-naphthaldehyde
66-99-9

β-naphthaldehyde

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 87%
{4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]phenyl}(phenyl)methanone
862387-15-3

{4-[(hydroxy)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methyl]phenyl}(phenyl)methanone

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

4-benzoylbenzaldehyde
20912-50-9

4-benzoylbenzaldehyde

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 87%
4-(buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)(trimethylsiloxy)methane

4-(buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)(trimethylsiloxy)methane

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

p-butoxybenzaldehyde
5736-88-9

p-butoxybenzaldehyde

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0 - 20℃;A n/a
B 86%
methyl 6-hydroxy-6-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)hexanoate
874964-04-2

methyl 6-hydroxy-6-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)hexanoate

A

methyl 6-oxohexanoate
6654-36-0

methyl 6-oxohexanoate

B

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 36h;A 81%
B n/a
1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-3-phenyl-1-propanol
874964-00-8

1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-3-phenyl-1-propanol

A

3-phenyl-propionaldehyde
104-53-0

3-phenyl-propionaldehyde

B

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 12h;A 80%
B n/a
1-cyclohexyl-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-methanol
874964-01-9

1-cyclohexyl-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-methanol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

cyclohexanecarbaldehyde
2043-61-0

cyclohexanecarbaldehyde

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 24h;A n/a
B 80%
7-hydroxy-7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)heptanenitrile
874964-02-0

7-hydroxy-7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)heptanenitrile

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

7-oxoheptanenitrile
18214-15-8

7-oxoheptanenitrile

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 110℃; for 24h;A n/a
B 75%
(2-methoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

(2-methoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

ortho-anisaldehyde
135-02-4

ortho-anisaldehyde

Conditions
ConditionsYield
With trichloroacetic acid In dichloromethane at 28℃; for 1.5h;A n/a
B 69%
Cp*Mo(NO)(κ2-1,2-bis(dimethylphosphino)ethane)

Cp*Mo(NO)(κ2-1,2-bis(dimethylphosphino)ethane)

propyl bromide
106-94-5

propyl bromide

A

propene
187737-37-7

propene

B

propane
74-98-6

propane

C

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

D

[Mo(NO)(Br)2(1,2-bis(dimethylphosphino)ethane)]2

[Mo(NO)(Br)2(1,2-bis(dimethylphosphino)ethane)]2

Conditions
ConditionsYield
In tetrahydrofuran at 70℃; Schlenk technique; Glovebox;A n/a
B n/a
C n/a
D 69%
cis-1,2,3,4,5-pentamethyl-2-cyclopentenol

cis-1,2,3,4,5-pentamethyl-2-cyclopentenol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

cis-1,2,3,4-tetramethyl-5-methylenecyclopentene

cis-1,2,3,4-tetramethyl-5-methylenecyclopentene

Conditions
ConditionsYield
With benzoic acid In benzene-d6 at 45℃;A 67%
B 33%
trans-1,2,3,4,5-pentamethyl-2-cyclopentenol

trans-1,2,3,4,5-pentamethyl-2-cyclopentenol

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

C10H16

C10H16

Conditions
ConditionsYield
With benzoic acid In benzene-d6 at 45℃; for 24h;A 58%
B 42%
bis(pentamethylcyclopentadienyl)ytterbium(THF)2

bis(pentamethylcyclopentadienyl)ytterbium(THF)2

N,N'-bis(2,6-dimethylphenyl)butane-2,3-diimine
49673-40-7

N,N'-bis(2,6-dimethylphenyl)butane-2,3-diimine

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

C34H47N2OYb

C34H47N2OYb

Conditions
ConditionsYield
Stage #1: bis(pentamethylcyclopentadienyl)ytterbium(THF)2; N,N'-bis(2,6-dimethylphenyl)butane-2,3-diimine In tetrahydrofuran at 40℃; for 0.5h; Schlenk technique; Glovebox;
Stage #2: In toluene at 60℃; for 5h; Schlenk technique; Glovebox;
A 52%
B 57%
5-(1-Hydroxyethyl)-1,2,3,4,5-pentamethylcyclopentadien
41216-83-5

5-(1-Hydroxyethyl)-1,2,3,4,5-pentamethylcyclopentadien

A

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

B

1,2,4,5,6,7-hexamethyl-8-methylidene-3-oxabicyclo<3.3.0>oct-6-ene

1,2,4,5,6,7-hexamethyl-8-methylidene-3-oxabicyclo<3.3.0>oct-6-ene

Conditions
ConditionsYield
With triphenylphosphine In tetrachloromethane for 0.333333h; Heating;A 34%
B 28%
1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene
7641-77-2

1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With sulfuric acid In methanol
5-acetyl-1,2,3,4,5-pentamethylcyclopentadiene
15971-76-3

5-acetyl-1,2,3,4,5-pentamethylcyclopentadiene

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethylene glycol
2,3,4,5-tetramethyl-2-cyclopenten-1-one
54458-61-6

2,3,4,5-tetramethyl-2-cyclopenten-1-one

methyllithium
917-54-4

methyllithium

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
(i), (ii) I2; Multistep reaction;
7-(1,2,3,4,5-Pentamethyl-cyclopenta-2,4-dienyl)-cyclohepta-1,3,5-triene
51905-33-0

7-(1,2,3,4,5-Pentamethyl-cyclopenta-2,4-dienyl)-cyclohepta-1,3,5-triene

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With trifluoroacetic acid
dimethyl sulfate
77-78-1

dimethyl sulfate

sodium cyclopentadienylide
4984-82-1

sodium cyclopentadienylide

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Conditions
ConditionsYield
With sodium amide In ammonia
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ethylaluminum dichloride
563-43-9

ethylaluminum dichloride

(pentamethylcyclopentadiene)titanium(Al2Cl5.9(C2H5)2.1)

(pentamethylcyclopentadiene)titanium(Al2Cl5.9(C2H5)2.1)

Conditions
ConditionsYield
With triphenylphosphine In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. and phosphine (molar ratio of Ti/Al/PPh3 = 1/2/2); monitored by ESR;100%
With triphenylphosphine In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. and phosphine (molar ratio of Ti/Al/PPh3 = 1/3/2); monitored by ESR;100%
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ethylaluminum dichloride
563-43-9

ethylaluminum dichloride

(pentamethylcyclopentadiene)titanium(Al2Cl6.1(C2H5)1.9)

(pentamethylcyclopentadiene)titanium(Al2Cl6.1(C2H5)1.9)

Conditions
ConditionsYield
With triphenylphosphine In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. (molar ratio of Ti/Al/PPh3 = 1/4/4); monitored by ESR;100%
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

diethylaluminium chloride
96-10-6

diethylaluminium chloride

(pentamethylcyclopentadiene)titanium(Al2Cl6.3(C2H5)1.7)

(pentamethylcyclopentadiene)titanium(Al2Cl6.3(C2H5)1.7)

Conditions
ConditionsYield
In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. (molar ratio of Ti/Al = 1/3); monitored by ESR;100%
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

diethylaluminium chloride
96-10-6

diethylaluminium chloride

(pentamethylcyclopentadiene)titanium(Al2Cl6.8(C2H5)1.2)

(pentamethylcyclopentadiene)titanium(Al2Cl6.8(C2H5)1.2)

Conditions
ConditionsYield
In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. (molar ratio of Ti/Al = 1/2); monitored by ESR;100%
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

diethylaluminium chloride
96-10-6

diethylaluminium chloride

(pentamethylcyclopentadiene)titanium(Al2Cl5.9(C2H5)2.1)

(pentamethylcyclopentadiene)titanium(Al2Cl5.9(C2H5)2.1)

Conditions
ConditionsYield
In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of Al-compd. (molar ratio of Ti/Al = 1/5); monitored by ESR;100%
(η6-benzene)titanium(II)(Al2Cl8)

(η6-benzene)titanium(II)(Al2Cl8)

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

triethylaluminum
97-93-8

triethylaluminum

(pentamethylcyclopentadiene)titanium(Al2Cl4(C2H5)4)

(pentamethylcyclopentadiene)titanium(Al2Cl4(C2H5)4)

Conditions
ConditionsYield
In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of AlEt3 (molar ratio of Ti/Al = 1/4); monitored by ESR;100%
With triphenylphosphine In benzene mixing of Ti-compd. in benzene with cyclopentadiene, then addn. of AlEt3 and phosphine (molar ratio of Ti/Al/phosphine = 1/4/2); monitored by ESR;50%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

bis(pentamethylcyclopentadienyl)ruthenium(II)
84821-53-4

bis(pentamethylcyclopentadienyl)ruthenium(II)

Conditions
ConditionsYield
With lithium carbonate In water; isopropyl alcohol at 90℃; for 4h; Inert atmosphere;100%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

methyllithium
917-54-4

methyllithium

lithium pentamethylcyclopentadienide

lithium pentamethylcyclopentadienide

Conditions
ConditionsYield
In tetrahydrofuran at -78 - 20℃;100%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

RuCl2(acetonitrile)4

RuCl2(acetonitrile)4

bis(pentamethylcyclopentadienyl)ruthenium(II)
84821-53-4

bis(pentamethylcyclopentadienyl)ruthenium(II)

Conditions
ConditionsYield
With lithium carbonate In water; isopropyl alcohol at 90℃; for 4h;100%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

(pentamethyl)cyclopentadienyl potassium

(pentamethyl)cyclopentadienyl potassium

Conditions
ConditionsYield
With potassium hexamethylsilazane In diethyl ether at 20℃; for 15h;100%
With potassium hexamethylsilazane
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ruthenium(III) trichloride hydrate

ruthenium(III) trichloride hydrate

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

Conditions
ConditionsYield
In ethanol for 3h; Reflux; Inert atmosphere;100%
iridium(III) chloride hydrate

iridium(III) chloride hydrate

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
12354-84-6, 12354-85-7

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]

Conditions
ConditionsYield
In methanol (Ar); using Schlenk techniques; treatment of IrCl3*99H2O with C5HMe5 in MeOH according to: C.White, A. Yates, P. M. Maitlis, D. M. Heinekey, Inorg. Synth. 29 (1992) 228;99%
In methanol at 119.84 - 149.84℃; for 0.75h; Microwave irradiation; Sonication; Inert atmosphere;54.5%
rhodium(III) chloride trihydrate

rhodium(III) chloride trihydrate

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

Conditions
ConditionsYield
In methanol (Ar); using Schlenk techniques; treatment of RhCl3*3H2O with C5HMe5 in MeOH according to: C.White, A. Yates, P. M. Maitlis, D. M. Heinekey, Inorg. Synth. 29 (1992) 228;99%
In methanol for 6h; Reflux;
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

(E)-methyl 4-((1R,2R,3S,4R)-2-ethynyl-3-hydroxy-4-methylcyclohexyl)-4-oxobut-2-enoate
1344118-68-8

(E)-methyl 4-((1R,2R,3S,4R)-2-ethynyl-3-hydroxy-4-methylcyclohexyl)-4-oxobut-2-enoate

(1S,2S,3S,7S)-methyl 3-((1R,2R,3S,4R)-2-ethynyl-3-hydroxy-4-methylcyclohexanecarbonyl)-1,4,5,6,7-pentamethylbicyclo[2.2.1]hept-5-ene-2-carboxylate

(1S,2S,3S,7S)-methyl 3-((1R,2R,3S,4R)-2-ethynyl-3-hydroxy-4-methylcyclohexanecarbonyl)-1,4,5,6,7-pentamethylbicyclo[2.2.1]hept-5-ene-2-carboxylate

Conditions
ConditionsYield
In benzene at 20℃; Diels-Alder reaction; Inert atmosphere;99%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ruthenium(III) trichloride hydrate

ruthenium(III) trichloride hydrate

bis[dichloro(pentamethylcyclopentadienyl)ruthenium(III)]

bis[dichloro(pentamethylcyclopentadienyl)ruthenium(III)]

Conditions
ConditionsYield
In ethanol for 3h; Inert atmosphere; Reflux;99%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

p-butoxybenzaldehyde
5736-88-9

p-butoxybenzaldehyde

(4-buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol
862387-21-1

(4-buthoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;
Stage #2: p-butoxybenzaldehyde In tetrahydrofuran; hexane at -20℃; for 1h;
98%
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;
Stage #2: p-butoxybenzaldehyde In tetrahydrofuran; hexane at -20℃; for 1h;
98%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Methyl cinnamate
103-26-4

Methyl cinnamate

methyl 3-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-3-phenylpropanoate
38855-09-3

methyl 3-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-3-phenylpropanoate

Conditions
ConditionsYield
With n-butyllithium; diethylaluminium chloride In tetrahydrofuran; hexane at -20℃; for 1h;98%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

m-Chlorobenzoyl chloride
618-46-2

m-Chlorobenzoyl chloride

3-chlorophenyl 1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl ketone
1002716-74-6

3-chlorophenyl 1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl ketone

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.5h;
Stage #2: m-Chlorobenzoyl chloride In tetrahydrofuran; hexane at 0℃; for 0.5h;
98%
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.666667h;
Stage #2: m-Chlorobenzoyl chloride In tetrahydrofuran; hexane at 0℃; for 0.5h; Further stages.;
93%
dodecacarbonyl-triangulo-triruthenium
15243-33-1

dodecacarbonyl-triangulo-triruthenium

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

Diphenylvinylphosphine
2155-96-6

Diphenylvinylphosphine

C25H30OPRu
1418289-10-7

C25H30OPRu

Conditions
ConditionsYield
Stage #1: dodecacarbonyl-triangulo-triruthenium; 1,2,3,4,5-pentamethylcyclopentadiene In 1,4-dioxane at 20℃; for 1h; Glovebox; Schlenk technique; Reflux; Inert atmosphere;
Stage #2: Diphenylvinylphosphine In n-heptane for 2h; Glovebox; Schlenk technique; Reflux; Inert atmosphere;
98%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

p-benzoquinone
106-51-4

p-benzoquinone

1,2,3,4,9-pentamethyl-1,4,4a,8a-tetrahydro-1,4-methan-naphthalene-5,8-dione

1,2,3,4,9-pentamethyl-1,4,4a,8a-tetrahydro-1,4-methan-naphthalene-5,8-dione

Conditions
ConditionsYield
With methyltrioxorhenium(VII) In acetone at 30℃; for 0.75h;98%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ortho-anisaldehyde
135-02-4

ortho-anisaldehyde

(2-methoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

(2-methoxyphenyl)(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)methanol

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;
Stage #2: ortho-anisaldehyde In tetrahydrofuran; hexane at -20℃; for 1h;
97%
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;
Stage #2: ortho-anisaldehyde In tetrahydrofuran; hexane at -20℃; for 1h;
97%
tridecan-7-one
462-18-0

tridecan-7-one

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-7-tridecanol
874964-07-5

7-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-7-tridecanol

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 0.5h;
Stage #2: tridecan-7-one With dimethylaluminum chloride In tetrahydrofuran; hexane at -20℃; for 1h;
97%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

cyclohexanecarbaldehyde
2043-61-0

cyclohexanecarbaldehyde

1-cyclohexyl-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-methanol
874964-01-9

1-cyclohexyl-1-(1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl)-methanol

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 0.5h;
Stage #2: cyclohexanecarbaldehyde With dimethylaluminum chloride In tetrahydrofuran; hexane at -20℃; for 1h;
97%
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 0.5h;
Stage #2: With dimethylaluminum chloride In tetrahydrofuran; hexane at -20℃; for 0.5h;
Stage #3: cyclohexanecarbaldehyde In tetrahydrofuran; hexane at -20℃; for 1h;
97%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

benzoyl chloride
98-88-4

benzoyl chloride

1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl phenyl ketone
35211-67-7

1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl phenyl ketone

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.5h;
Stage #2: benzoyl chloride In tetrahydrofuran; hexane at 0℃; for 0.5h;
96%
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.666667h;
Stage #2: benzoyl chloride In tetrahydrofuran; hexane at 0℃; for 0.5h; Further stages.;
90%
chloro(1,5-cyclooctadiene)iridium(I) dimer

chloro(1,5-cyclooctadiene)iridium(I) dimer

1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
12354-84-6, 12354-85-7

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]

Conditions
ConditionsYield
With hydrogenchloride In further solvent(s) addn. of concd. HCl to soln. of Ir-complex in pentamethylcyclopentadiene, refluxing with stirring under Ar; leaving stirring for 2 h, crystn., filtn., washing with methanol yields first crop of crystals, further treatment of filtrate yields another batch of crystals, recrystn. from CHCl3/diethyl ether, elem. anal.;96%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

ortho-toluoyl chloride
933-88-0

ortho-toluoyl chloride

1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl o-tolyl ketone
1010106-91-8

1,2,3,4,5-pentamethyl-2,4-cyclopentadienyl o-tolyl ketone

Conditions
ConditionsYield
Stage #1: 1,2,3,4,5-pentamethylcyclopentadiene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.5h;
Stage #2: ortho-toluoyl chloride In tetrahydrofuran; hexane at 0℃; for 0.5h;
96%
1,2,3,4,5-pentamethylcyclopentadiene
4045-44-7

1,2,3,4,5-pentamethylcyclopentadiene

pentamethyl-1,3-cyclopentadienylsodium
40585-51-1

pentamethyl-1,3-cyclopentadienylsodium

Conditions
ConditionsYield
With sodium In toluene for 72h; Heating;95%
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