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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 4457-71-0 3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

3-Methyl-1,5-pentanediol CAS No.:4457-71-0 Name: 3-Methyl-1,5-pentanediol Synonyms: 3-Methylpentane-1,5-diol Molecular S

3-Methyl-1,5-pentanediol CAS No.:4457-71-0

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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Henan Allgreen Chemical Co.,Ltd

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 se T rvice Appearance:

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Kilogram

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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 3-methylpentane-1,5-diol

Cas:4457-71-0

Min.Order:1

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Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hebei yanxi chemical co.,LTD.

Our advantage: 1: High quality and Competitive price 2: Quality control, GC&HPLC&NMR or as your requested 3: Packing as your requested, and double check before shipment 4: Prompt shipment with professional documents 5: Excellent after-

3-Methyl-1,5-Pentanediol CAS NO.4457-71-0

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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Chemwill Asia Co., Ltd.

CHemwill -- 3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Factory direct supply CAS 4457-71-0 with best quality

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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

1,5-Pentanediol,3-methyl- 4457-71-0

Cas:4457-71-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

3-Methyl-1,5-pentanediol CAS:4457-71-0 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 organic i

3-Methyl-1,5-pentanediol CAS:4457-71-0

Cas:4457-71-0

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

1,5-Pentanediol,3-methyl-

Cas:4457-71-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:4457-71-0

Cas:4457-71-0

Min.Order:0

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Type:Lab/Research institutions

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Lonwin Chemical Group Limited

3-Methyl-1,5-Pentanediol CAS:4457-71-0 Specification boiling point 150 °c / 25mmhg density 0.974 g/ml at 20 °c(lit.) refractive index n20/d 1.454 fp 143°c brn 1697331

Factory Supply 3-Methyl-1,5-Pentanediol

Cas:4457-71-0

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

1,5-Pentanediol,3-methyl-

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 3-Methyl-1,5-Pentanediol CAS No.: 4457-71-0 Molecule Formula:C6H14O2 Molecule Weight:118.17 Purity: 99.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard TESTIN

Lower Price 3-Methyl-1,5-Pentanediol on stock

Cas:4457-71-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

3-Methyl-1,5-pentanediol Chemical Properties Melting point -60°C Boiling point 150 °C / 25mmHg density 0.974 g/mL at 20 °C (lit.) refractive index n20/D 1.454 Fp 143°C pka 14.78±0.10(Predicted) Specific G

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

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Hangzhou Huarong Pharm Co., Ltd.

Hangzhou 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

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

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Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

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

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Manufacturers

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GIHI CHEMICALS CO.,LIMITED

Lower 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

3-Methyl-1,5-Pentanediol

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

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Type:Other

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JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

3-Methyl-1,5-Pentanediol

Cas:4457-71-0

Min.Order:100 Gram

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Type:Lab/Research institutions

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Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

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Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

1,5-Pentanediol,3-methyl-

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Manufacturers

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Henan Sinotech Import&Export Corporation

Product Name Hexylene Glycol CAS NO. 107-41-5 MF C6H14O2 MW 118.17

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Antimex Chemical Limied

Ansciep 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

1,5-Pentanediol,3-methyl-

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

Negotiable

Type:Trading Company

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Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

3-Methyl-1,5-pentanediol

Cas:4457-71-0

Min.Order:0

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Synthetic route

3-methylglutaric anhydride
4166-53-4

3-methylglutaric anhydride

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran for 4h; Heating;100%
With lithium aluminium tetrahydride In tetrahydrofuran for 4h; Heating;68%
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 2h; Reduction;44%
With lithium aluminium tetrahydride In tetrahydrofuran; diethyl ether for 6.5h; Heating;33%
With lithium aluminium tetrahydride In tetrahydrofuran
4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol
18653-57-1

4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With water; hydrogen; sodium hydroxide at 120℃; under 6000.6 Torr; for 6h; Reagent/catalyst;95%
With hydrogen; sodium hydroxide In water at 120℃; under 6000.6 Torr; for 7h;
3-methyl glutaric acid
626-51-7

3-methyl glutaric acid

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With borane-THF for 18h; Heating;75%
With lithium aluminium tetrahydride; diethyl ether
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 4h;
Multi-step reaction with 2 steps
1: H2SO4
2: sodium; ethanol
View Scheme
dimethyl 3-methylglutarate
19013-37-7

dimethyl 3-methylglutarate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride75%
With lithium aluminium tetrahydride In tetrahydrofuran for 24h; Heating;
4-(β-hydroxyethyl)-4-methyl-1,3-dioxane
2018-45-3

4-(β-hydroxyethyl)-4-methyl-1,3-dioxane

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With hydrogen; copper at 240℃; under 225018 Torr; for 5h;65%
3,4-dihydro-2-methoxy-4-methyl-2H-pyran
38113-08-5, 38320-49-9, 53608-95-0

3,4-dihydro-2-methoxy-4-methyl-2H-pyran

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With copper oxide-chromium oxide; water; hydrogen at 180℃; under 144160 Torr;
With hydrogen; nickel; acetic acid at 150℃; under 66195.7 Torr;
6-methoxy-4-methyl-3,6-dihydro-2H-pyran
59677-19-9

6-methoxy-4-methyl-3,6-dihydro-2H-pyran

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With hydrogenchloride und Hydrieren des Reaktionsgemisches an Raney-Nickel in neutraler Loesung bei 125grad;
diethyl 3-methylglutarate
6829-42-1

diethyl 3-methylglutarate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With copper oxide-chromium oxide Hydrogenation;
With lithium aluminium tetrahydride; diethyl ether
With ethanol; sodium
3-methylpentanedial
6280-15-5

3-methylpentanedial

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With ethanol; nickel at 100℃; under 36775.4 Torr; Hydrogenation;
3-methylenepentane-1,5-diol
40760-35-8

3-methylenepentane-1,5-diol

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With 1,4-dioxane; nickel at 100℃; under 257428 Torr; Hydrogenation;
1,5-diacetoxy-3-methylpentane
40065-27-8

1,5-diacetoxy-3-methylpentane

sodium methylate
124-41-4

sodium methylate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With methanol
3-methyl-5-oxo-pentanoic acid methyl ester
5898-67-9

3-methyl-5-oxo-pentanoic acid methyl ester

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride
3-methyl-2.4-diethoxycarbonyl-glutaric acid diethyl ester

3-methyl-2.4-diethoxycarbonyl-glutaric acid diethyl ester

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With copper chromite; hydrogen at 250℃; unter Druck;
tetraethyl 2-methylpropane-1,1,3,3-tetracarboxylate
4525-30-8

tetraethyl 2-methylpropane-1,1,3,3-tetracarboxylate

copper chromite

copper chromite

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
at 250℃; under 147102 - 220652 Torr;
dimethyl glutaconate
5164-76-1

dimethyl glutaconate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: CuI / tetrahydrofuran / 20 °C
1.2: TMSCl / tetrahydrofuran / -78 - 20 °C
2.1: lithium aluminum hydride / tetrahydrofuran / 24 h / Heating
View Scheme
2-ethoxy-4-methyl-3,4-dihydro-2H-pyran
10138-44-0

2-ethoxy-4-methyl-3,4-dihydro-2H-pyran

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous sulfuric acid
2: Raney nickel; ethanol / 100 °C / 36775.4 Torr / Hydrogenation
View Scheme
2-methyl-1-buten-4-ol
763-32-6

2-methyl-1-buten-4-ol

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 200 °C
2: Raney nickel; dioxane / 100 °C / 257428 Torr / Hydrogenation
View Scheme
Multi-step reaction with 3 steps
1.1: A-36 ion exchange resin / 100 °C / 1200.12 Torr / Autoclave; Large scale
1.2: hollow molecular sieve nanotubes supported silicotungstic acid catalyst / 105 - 155 °C / 825.08 Torr / Large scale
2.1: dicarbonyl(acetylacotonato)rhodium(I); C72H100O6P2; hydrogen / 24 h / 125 °C / 75007.5 Torr / Flow reactor
3.1: hydrogen / 150 - 240 °C / 1200.12 Torr / Flow reactor
View Scheme
Methyl 3,3-dimethylacrylate
924-50-5

Methyl 3,3-dimethylacrylate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2 / Co2(CO)8 / 140 °C / 132391 Torr
2: LiAlH4
View Scheme
Di-n-octyl phthalate
117-84-0

Di-n-octyl phthalate

4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol
18653-57-1

4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol

A

4-methyl-tetrahydro-pyran-2-one
1121-84-2

4-methyl-tetrahydro-pyran-2-one

B

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With manganese dioxide; copper chromite
4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol
18653-57-1

4-Methyl-3,4,5,6-tetrahydro-2H-pyran-2-ol

A

4-methyl-tetrahydro-pyran-2-one
1121-84-2

4-methyl-tetrahydro-pyran-2-one

B

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

C

MPAE
956007-32-2

MPAE

Conditions
ConditionsYield
With sodium hydroxide; hydrogen; nickel In water at 120℃; under 6600.66 Torr; for 5h; pH=8.4 - 10.9; Product distribution / selectivity;
With hydrogen In water at 120℃; for 2h; Product distribution / selectivity;
With hydrogen; cobalt In water at 120℃; for 5h; Product distribution / selectivity;
molybdenum hexacarbonyl
13939-06-5, 199620-15-0

molybdenum hexacarbonyl

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With hydrogen In 1,4-dioxane
4-methyl-5,6-dihydro-2H-pyran-2-one
2381-87-5

4-methyl-5,6-dihydro-2H-pyran-2-one

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With dicarbonylacetylacetonato rhodium (I); hydrogen; molybdenum hexacarbonyl In 1,4-dioxane at 200℃; under 90009 - 112511 Torr; for 2.33333h; Schlenk technique; Autoclave;
With 5 wt% ruthenium/carbon; hydrogen In water at 100℃; under 105011 Torr; for 6.3h;
With ruthenium-carbon composite; hydrogen In water at 100℃; under 105011 Torr; for 16h; Catalytic behavior; Temperature; Pressure;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With 5 wt% ruthenium/carbon; hydrogen In water at 100℃; under 105011 Torr; for 6.3h;
mevalonolactone
674-26-0

mevalonolactone

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With ruthenium-carbon composite; hydrogen In water at 100℃; under 105011 Torr; for 3.5h; Catalytic behavior; Time;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid / 15 h / Reflux
2: hydrogen; ruthenium-carbon composite / water / 3.5 h / 100 °C / 105011 Torr
View Scheme
3-methyl-5-oxopentyl acetate
101153-84-8

3-methyl-5-oxopentyl acetate

3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

Conditions
ConditionsYield
With hydrogen at 150 - 240℃; under 1200.12 Torr; Flow reactor;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

4-methyltetrahydropyran
4717-96-8

4-methyltetrahydropyran

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 135℃; for 41h;99.6%
With Amberlyst 1591%
With toluene-4-sulfonic acid at 135 - 155℃; Dean-Stark; Large scale;3662 g
With toluene-4-sulfonic acid at 135 - 155℃; for 41h; Large scale;
With toluene-4-sulfonic acid at 135 - 155℃;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

(S)-4-methyltetrahydro-2H-pyran-2-one
61898-56-4

(S)-4-methyltetrahydro-2H-pyran-2-one

Conditions
ConditionsYield
With horse liver alcohol dehydrogenase; oxygen; catalase; 7-(trifluoromethyl)-1,10-ethyleneisoalloxazinium chloride In aq. phosphate buffer at 20℃; for 13h; pH=8; Catalytic behavior; Reagent/catalyst; Enzymatic reaction; enantioselective reaction;97%
With 2,6-dimethylpyridine; sodium perchlorate In acetonitrile for 10h; Electrolysis;96.4%
With sodium perchlorate; (-)-sparteine In acetonitrile macroelectrolysis with 2,2,6,6-tetramethylpiperidine-1-yloxyl)-modified graphite felt electrodes;93.8%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3-methylpentane-1,5-diyl bis(4-methylbenzenesulfonate)
148054-23-3

3-methylpentane-1,5-diyl bis(4-methylbenzenesulfonate)

Conditions
ConditionsYield
With dmap; triethylamine In acetonitrile at 20℃; for 3h;97%
With triethylamine In dichloromethane at 20℃; for 18h;82.5%
With pyridine at 20℃; for 2h;
With pyridine at 20℃; for 1h;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

4-methyl-tetrahydro-pyran-2-one
1121-84-2

4-methyl-tetrahydro-pyran-2-one

Conditions
ConditionsYield
With oxygen In toluene at 110℃; for 1h;96%
With hydrotalcite-supported copper nanoparticles In 1,3,5-trimethyl-benzene at 150℃; for 8h; Inert atmosphere;96%
With [RuCl2(PPh3)2(2-PyCH21,3,5-triaza-7-phosphadamantane)].Br; potassium hydroxide In water for 48h; Reagent/catalyst; Schlenk technique; Reflux; Inert atmosphere; Green chemistry;96%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

benzylamine
100-46-9

benzylamine

1-benzyl-4-methylpiperidine
14446-71-0

1-benzyl-4-methylpiperidine

Conditions
ConditionsYield
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; sodium hydrogencarbonate In toluene at 110℃; for 16h; Microwave irradiation; Inert atmosphere; Sealed tube;96%
With 1,4-dioxane; copper oxide-chromium oxide; hydrogen at 250℃; under 147102 - 294203 Torr;
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

3-methyl-1,5-diiodopentane
51174-46-0

3-methyl-1,5-diiodopentane

Conditions
ConditionsYield
With phosphorus; iodine at 45℃; for 42h; Cooling with ice bath;87%
With phosphorus; iodine
Multi-step reaction with 2 steps
1: 73 percent / PBr3 / 20 h / -10 - 20 °C
2: 89 percent / NaI / acetone / 3 h / Heating
View Scheme
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

p-Trifluoromethylbenzylamine
3300-51-4

p-Trifluoromethylbenzylamine

N-methyl-1-(4-(trifluoromethyl)benzyl)piperidine

N-methyl-1-(4-(trifluoromethyl)benzyl)piperidine

Conditions
ConditionsYield
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; sodium hydrogencarbonate In toluene at 110℃; for 16h; Microwave irradiation; Inert atmosphere; Sealed tube;86%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

3-methyl-1,5-dibromopentane
4457-72-1

3-methyl-1,5-dibromopentane

Conditions
ConditionsYield
With carbon tetrabromide; triphenylphosphine In dichloromethane at 0℃; for 1h;85%
With hydrogen bromide In octane; water at 147 - 148℃; for 12h; Dean-Stark;83%
With phosphorus tribromide at -10 - 20℃; for 20h; Substitution;73%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

3-chloroprop-1-ene
107-05-1

3-chloroprop-1-ene

1,5-Bis-allyloxy-3-methyl-pentane

1,5-Bis-allyloxy-3-methyl-pentane

Conditions
ConditionsYield
With sodium hydroxide; tetra(n-butyl)ammonium hydroxide at 40℃; for 7h;85%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

5-(tert-butyldimethylsilyl)oxy-3-methyl-1-pentanol
295318-34-2

5-(tert-butyldimethylsilyl)oxy-3-methyl-1-pentanol

Conditions
ConditionsYield
Stage #1: 3-methylpentane-1,5-diol With n-butyllithium In tetrahydrofuran; hexane at 20℃; Inert atmosphere;
Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran; hexane at 20℃; for 0.75h; Inert atmosphere;
Stage #3: With water; ammonium chloride
84%
With sodium hydride In tetrahydrofuran Substitution; Silylation;83%
Stage #1: 3-methylpentane-1,5-diol With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃; for 0.5h;
Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran; hexane at 20℃;
52%
Stage #1: 3-methylpentane-1,5-diol With sodium hydride In tetrahydrofuran Inert atmosphere;
Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran at 0℃; Inert atmosphere;
51%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

5-hydroxy-3-methylpentyl 4-methylbenzenesulfonate
1076691-71-8

5-hydroxy-3-methylpentyl 4-methylbenzenesulfonate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 3.16667h; Inert atmosphere;84%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

2',3',4',5',6'-pentamethylacetophenone
2040-01-9

2',3',4',5',6'-pentamethylacetophenone

(4-methylcyclohex-1-en-1-yl)(2,3,4,5,6-pentamethylphenyl)methanone

(4-methylcyclohex-1-en-1-yl)(2,3,4,5,6-pentamethylphenyl)methanone

Conditions
ConditionsYield
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; potassium hydroxide; catacxium A In toluene at 115℃; for 24h; Time; Sealed tube; chemoselective reaction;84%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

1,1'-(2-nitroethene-1,1-diyl)dibenzene
5670-69-9

1,1'-(2-nitroethene-1,1-diyl)dibenzene

C34H36N2O6

C34H36N2O6

Conditions
ConditionsYield
Stage #1: 3-methylpentane-1,5-diol With sodium hydride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere;
Stage #2: 1,1'-(2-nitroethene-1,1-diyl)dibenzene In tetrahydrofuran at 15℃; for 15h;
82%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

propargyl bromide
106-96-7

propargyl bromide

3-methyl-1,5-bis(prop-2-yn-1-yloxy)pentane

3-methyl-1,5-bis(prop-2-yn-1-yloxy)pentane

Conditions
ConditionsYield
Stage #1: 3-methylpentane-1,5-diol With sodium hydride In tetrahydrofuran for 0.5h; Inert atmosphere;
Stage #2: propargyl bromide In tetrahydrofuran Inert atmosphere;
80%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

3-methyl-(1,5)-azopentane

3-methyl-(1,5)-azopentane

Conditions
ConditionsYield
With diphenylphosphoranyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 65℃; for 16h;76%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

2',3',4',5',6'-pentamethylacetophenone
2040-01-9

2',3',4',5',6'-pentamethylacetophenone

(trans-4-methylcyclohexyl)(2,3,4,5,6-pentamethylphenyl)methanone

(trans-4-methylcyclohexyl)(2,3,4,5,6-pentamethylphenyl)methanone

Conditions
ConditionsYield
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; potassium hydroxide In toluene at 115℃; for 24h; Inert atmosphere; Sealed tube; diastereoselective reaction;76%
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; potassium hydroxide In toluene at 115℃; for 24h; Sealed tube; Inert atmosphere; diastereoselective reaction;76%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

all-trans-retinoic-acid
302-79-4

all-trans-retinoic-acid

3-methyl-1,5-diretinylpentanediester
1354766-27-0

3-methyl-1,5-diretinylpentanediester

Conditions
ConditionsYield
Stage #1: 3-methylpentane-1,5-diol; all-trans-retinoic-acid With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 15h; Darkness; Inert atmosphere;
Stage #2: With hydrogenchloride In water; toluene
74.5%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

C15H34O2Si

C15H34O2Si

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 0℃; for 5h;70%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

2-[2'-hydroxy-3'-tert-butyl-5'-(2''-methoxycarbonylethyl)phenyl]-2H-benzotriazole
84268-33-7

2-[2'-hydroxy-3'-tert-butyl-5'-(2''-methoxycarbonylethyl)phenyl]-2H-benzotriazole

C44H52N6O6

C44H52N6O6

Conditions
ConditionsYield
With di(n-butyl)tin oxide at 170℃; for 20h; Dean-Stark; Inert atmosphere;65%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

A

2-methylbutanedioic acid
498-21-5, 636-60-2

2-methylbutanedioic acid

B

3-methyl glutaric acid
626-51-7

3-methyl glutaric acid

Conditions
ConditionsYield
With dinitrogen tetraoxide In nitric acid at 60℃; Heating;A 62%
B 23%
With dinitrogen tetraoxide In nitric acid at 50℃; Heating;A 45%
B 33%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

(4R)-4-methyltetrahydro-2H-pyran-2-one
61898-55-3

(4R)-4-methyltetrahydro-2H-pyran-2-one

Conditions
ConditionsYield
With acetate buffer pH 5 In water at 30℃; for 48h; Gluconobacter roseus IAM 1841;57%
Multi-step reaction with 3 steps
2: Jones oxidation
3: 1.) CH2N2, 2.) aq. HCl, MeOH
View Scheme
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3-methylpentane-1,5-bis(4-methylbenzenesulfonyl)

3-methylpentane-1,5-bis(4-methylbenzenesulfonyl)

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 12h;55%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

phenylcarbonochloridothioate
1005-56-7

phenylcarbonochloridothioate

O-(5-hydroxy-3-methylpentyl) O-phenyl thionocarbonate
152429-69-1

O-(5-hydroxy-3-methylpentyl) O-phenyl thionocarbonate

Conditions
ConditionsYield
With pyridine; dmap In acetonitrile at 0℃; for 5h;54%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

2',3',4',5',6'-pentamethylacetophenone
2040-01-9

2',3',4',5',6'-pentamethylacetophenone

3-isobutylpentane-1,1,5,5-d4-1,5-diol

3-isobutylpentane-1,1,5,5-d4-1,5-diol

A

(4-methylcyclohex-1-en-1-yl)(2,3,4,5,6-pentamethylphenyl)methanone

(4-methylcyclohex-1-en-1-yl)(2,3,4,5,6-pentamethylphenyl)methanone

B

C22H29(2)H3O

C22H29(2)H3O

Conditions
ConditionsYield
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; potassium hydroxide; catacxium A In toluene at 115℃; for 24h; Sealed tube; Overall yield = 77 percent; Overall yield = 135 mg;A 51%
B 26%
3-methylpentane-1,5-diol
4457-71-0

3-methylpentane-1,5-diol

acryloyl chloride
814-68-6

acryloyl chloride

3-methyl 1,5-pentanediol diacrylate
64194-22-5

3-methyl 1,5-pentanediol diacrylate

Conditions
ConditionsYield
With triethylamine; 2-hydroxyresorcinol In benzene at 50℃; for 0.5h;50%

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