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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

1,3-Butanediol,3-methyl-

Cas:2568-33-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 Cosmetic ISOPENTYLDIOL 2568-33-4 Manufacturer

Cas:2568-33-4

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

3-Methyl-1,3-butanediol

Cas:2568-33-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti

2568-33-4

Cas:2568-33-4

Min.Order:1 Kilogram

FOB Price: $1.0

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

Cosmetic Grade Raw Material 3-Methyl-1, 3-Butanediol with 2568-33-4

Cas:2568-33-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 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

Manufacturer supply CAS 2568-33-4 with best quality

Cas:2568-33-4

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

1,3-Butanediol,3-methyl- 2568-33-4

Cas:2568-33-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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

1,3-Butanediol,3-methyl-

Cas:2568-33-4

Min.Order:0

Negotiable

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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality moderate price & quick delivery Appearance:Clear colorless liquid 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:Used to m

1,3-Butanediol,3-methyl-

Cas:2568-33-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Price3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Trading Company

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,

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

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

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

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

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:0

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

3-Methyl-1,3-butanediol

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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

1,3-Butanediol,3-methyl- CAS NO.2568-33-4

Cas:2568-33-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

3-METHYL-1,3-BUTANEDIOL cas no. 2568-33-4 98%

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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-1,3-Butanediol

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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-Methylbutane-1,3-diol

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

1,3-Butanediol,3-methyl-

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 3-Methylbutane-1,3-diol 500ml

Cas:2568-33-4

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3-Methyl-1,3-butanediol

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in

3-METHYL-1,3-BUTANEDIOL

Cas:2568-33-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

1,1-dimethyl-trimethylene carbonate
32368-09-5

1,1-dimethyl-trimethylene carbonate

A

methanol
67-56-1

methanol

B

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With C23H21MnN2O3P(1+)*Br(1-); potassium tert-butylate; hydrogen In 1,4-dioxane at 140℃; under 37503.8 Torr; for 16h; Autoclave;A 99 %Chromat.
B 99%
1,1-dimethyl-trimethylene carbonate
32368-09-5

1,1-dimethyl-trimethylene carbonate

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With [carbonylchlorohydrido{bis[2-(diphenylphosphinomethyl)ethyl]amino}ethylamino] ruthenium(II); potassium tert-butylate; hydrogen In tetrahydrofuran at 140℃; under 38002.6 Torr; for 12h; Autoclave;97%
3-{[tert-butyl(dimethyl)silyl]oxy}-3-methylbutan-1-ol

3-{[tert-butyl(dimethyl)silyl]oxy}-3-methylbutan-1-ol

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With sodium tetrachloroaurate(III) dihydrate In methanol at 20℃; for 40h;93%
1-Hydroxy-3-butanone
590-90-9

1-Hydroxy-3-butanone

methylmagnesium bromide
75-16-1

methylmagnesium bromide

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at 0℃; for 1h; Grignard reaction;64%
formaldehyd
50-00-0

formaldehyd

isobutene
115-11-7

isobutene

A

4-methyl-3,6-dihydro-2H-pyran
16302-35-5

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

B

4-methyl-3,4-dihydro-2H-pyran
2270-61-3

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

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

methylcyclopentadiene
96-39-9

methylcyclopentadiene

E

3,4,4-trimethylcyclohexene
219811-94-6

3,4,4-trimethylcyclohexene

F

isovaleraldehyde
590-86-3

isovaleraldehyde

G

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With niobium phosphate at 299.84℃; for 3.33333h; Temperature;A n/a
B n/a
C n/a
D n/a
E n/a
F n/a
G 57%
1-Hydroxy-3-butanone
590-90-9

1-Hydroxy-3-butanone

CH3X (X=Br or I)

CH3X (X=Br or I)

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With magnesium Grignard reaction;50%
ethyl 3-hydroxy-3-methylbutanoate
18267-36-2

ethyl 3-hydroxy-3-methylbutanoate

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride40%
With lithium aluminium tetrahydride In diethyl ether
With lithium aluminium tetrahydride
3-Hydroxy-3-methylbutyric acid
625-08-1

3-Hydroxy-3-methylbutyric acid

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 3h;39%
4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With methanol; sulfuric acid
With water; chlorine at 2 - 8℃;
With ion-exchange resin + form>; ethanethiol In 1,4-dioxane
With europium(III) hydroxide; water at 180℃; for 9h; Autoclave;
With ethanol; sulfuric acid bei Siedetemperatur;
tetrachloromethane
56-23-5

tetrachloromethane

1,3-dichloro-3-methylbutane
624-96-4

1,3-dichloro-3-methylbutane

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
at 150℃;
methyl magnesium iodide
917-64-6

methyl magnesium iodide

1-Hydroxy-3-butanone
590-90-9

1-Hydroxy-3-butanone

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

1,3-dichloro-3-methylbutane
624-96-4

1,3-dichloro-3-methylbutane

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With potassium carbonate
With potassium carbonate
With sodium hydroxide at 150℃;
1,3-dibromo-3-methylbutane
24443-15-0

1,3-dibromo-3-methylbutane

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With potassium carbonate
2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With sulfuric acid at 25℃;
methyl β-hydroxy-β-methylbutyrate
6149-45-7

methyl β-hydroxy-β-methylbutyrate

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With lithium aluminium tetrahydride; diethyl ether
3-methylbutane-1,3-diyl diacetate
5205-15-2

3-methylbutane-1,3-diyl diacetate

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With methanol; sodium methylate
formaldehyd
50-00-0

formaldehyd

isobutene
115-11-7

isobutene

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With boron trifluoride
With water at 135℃; for 3h; Reagent/catalyst; Temperature; Autoclave;A 23 %Chromat.
B 70 %Chromat.
2-methyl-1-buten-4-ol
763-32-6

2-methyl-1-buten-4-ol

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With sulfuric acid at 25℃; Rate constant; Thermodynamic data; effective energy of activation;
With sulfuric acid
With sodium hydroxide; sodium tetrahydroborate; mercury(II) diacetate; water 1.) tetrahydrofuran, 1 h, 2.) 25 deg C, 3 h; Yield given. Multistep reaction;
4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

acetaldehyde
75-07-0

acetaldehyde

A

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

B

2,4,4-trimethyl-1,3-dioxane
29879-84-3

2,4,4-trimethyl-1,3-dioxane

Conditions
ConditionsYield
sulfuric acid In hexane at 70℃; Product distribution; var. time;
4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

A

4-methyl-3,6-dihydro-2H-pyran
16302-35-5

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

B

2-methyl-1-buten-4-ol
763-32-6

2-methyl-1-buten-4-ol

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

4-hydroxy-4-methyltetrahydropyran
7525-64-6

4-hydroxy-4-methyltetrahydropyran

E

2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

F

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

Conditions
ConditionsYield
With sulfuric acid at 120℃; for 3h; Product distribution; various catalyst, various temperature, various time, extent of conversion, solvent cyclohexane;
4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

A

formaldehyd
50-00-0

formaldehyd

B

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With water In isopropyl alcohol at 60℃; Rate constant; Mechanism; Equilibrium constant; other solvent and temperature ; ΔH(excit.), ΔS(excit.); energy of activation;
With sulfuric acid; water In water at 25℃; Thermodynamic data; Equilibrium constant; Mechanism; E(activ.), various acid catalysts, acid concentrations, temperatures;
1-tert-butoxy-3-methyl-3-butanol
22419-28-9

1-tert-butoxy-3-methyl-3-butanol

A

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

B

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With sulfuric acid at 40℃; Kinetics; Rate constant; Equilibrium constant; var. temperatures; energy data: E, log A;
acetaldehyde
75-07-0

acetaldehyde

isobutene
115-11-7

isobutene

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

2,4,4,6-tetramethyl-1,3-dioxane
5182-37-6

2,4,4,6-tetramethyl-1,3-dioxane

C

2-methyl-2,4-pentanediol
107-41-5

2-methyl-2,4-pentanediol

D

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

E

2,4,4-trimethyl-1,3-dioxane
29879-84-3

2,4,4-trimethyl-1,3-dioxane

Conditions
ConditionsYield
With formaldehyd; sulfuric acid In various solvent(s) at 70℃; for 4.33333h; Product distribution; var. time, steel bomb;A 5.6 mmol
B 8.5 mmol
C n/a
D n/a
E 16.4 mmol
2,4,4-trimethyl-1,3-dioxane
29879-84-3

2,4,4-trimethyl-1,3-dioxane

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With formaldehyd; sulfuric acid In hexane at 70℃; Product distribution; var. time;
isoprene
78-79-5

isoprene

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

Conditions
ConditionsYield
With sulfuric acid at 25℃; Rate constant; Mechanism;
Multi-step reaction with 2 steps
1: HCl
2: NaOH / 150 °C
View Scheme
2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

A

2-methyl-1-buten-4-ol
763-32-6

2-methyl-1-buten-4-ol

B

formaldehyd
50-00-0

formaldehyd

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

E

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With sulfuric acid at 25℃; Product distribution; Rate constant; acid-catalyzed isomerization, dehydratation and decomposition of isopentenols, retro-Prince reaction;
2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

A

2-methyl-1-buten-4-ol
763-32-6

2-methyl-1-buten-4-ol

B

formaldehyd
50-00-0

formaldehyd

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

E

isobutene
115-11-7

isobutene

F

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With sulfuric acid In water at 25℃; Kinetics; Mechanism;
2,2-dimethyl-oxetane
6245-99-4

2,2-dimethyl-oxetane

water
7732-18-5

water

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

acetaldehyde
75-07-0

acetaldehyde

isobutene
115-11-7

isobutene

paraform

paraform

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

2,4,4,6-tetramethyl-1,3-dioxane
5182-37-6

2,4,4,6-tetramethyl-1,3-dioxane

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

2,4,4-trimethyl-1,3-dioxane
29879-84-3

2,4,4-trimethyl-1,3-dioxane

Conditions
ConditionsYield
sulfuric acid In various solvent(s) at 70℃; for 5.33333h; steel bomb; Further byproducts given. Title compound not separated from byproducts;A 6.1 mmol
B 7.5 mmol
C n/a
D 16.4 mmol
sulfuric acid In various solvent(s) at 70℃; for 4.33333h; steel bomb; Further byproducts given. Title compound not separated from byproducts;A 5.6 mmol
B 8.5 mmol
C n/a
D 16.4 mmol
sulfuric acid In various solvent(s) at 70℃; for 3h; steel bomb; Further byproducts given. Title compound not separated from byproducts;A 4.8 mmol
B 4.9 mmol
C n/a
D 21.6 mmol
formaldehyd
50-00-0

formaldehyd

sulfuric acid
7664-93-9

sulfuric acid

isobutene
115-11-7

isobutene

A

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

B

4,4-dimethyl-5-hydroxymethyl-1,3-dioxane
3258-96-6

4,4-dimethyl-5-hydroxymethyl-1,3-dioxane

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

2-hydroxymethyl-3-methyl-butane-1,3-diol
35633-29-5

2-hydroxymethyl-3-methyl-butane-1,3-diol

Conditions
ConditionsYield
at 85 - 115℃; under 5884.06 - 10297.1 Torr; analoge Reaktion mit Acetaldehyd;
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

pent-4-enoic acid
591-80-0

pent-4-enoic acid

C15H24O4
1446746-89-9

C15H24O4

Conditions
ConditionsYield
Stage #1: pent-4-enoic acid With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.5h;
Stage #2: 3-methyl-butane-1,3-diol In dichloromethane at 20℃;
100%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

4-bromo-2-fluoro-9H-fluoren-9-one

4-bromo-2-fluoro-9H-fluoren-9-one

4-bromo-2-(3-hydroxy-3-methylbutyloxy)-9H-fluoren-9-one

4-bromo-2-(3-hydroxy-3-methylbutyloxy)-9H-fluoren-9-one

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydroxide; sodium hydroxide In tetrahydrofuran; water; toluene at 3.6 - 20℃; for 9.5h; Inert atmosphere;100%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

5-bromo-2-fluoropyridine
766-11-0

5-bromo-2-fluoropyridine

4-(5-bromopyridin-2-yloxy)-2-methylbutan-2-ol

4-(5-bromopyridin-2-yloxy)-2-methylbutan-2-ol

Conditions
ConditionsYield
Stage #1: 3-methyl-butane-1,3-diol With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.5h; Inert atmosphere;
Stage #2: 5-bromo-2-fluoropyridine In N,N-dimethyl-formamide at 0 - 20℃; for 18h; Inert atmosphere;
100%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

1,1-dimethyl-trimethylene carbonate
32368-09-5

1,1-dimethyl-trimethylene carbonate

Conditions
ConditionsYield
Stage #1: 3-methyl-butane-1,3-diol; carbonic acid dimethyl ester With Novozym435 at 60℃; for 7h; Molecular sieve; Enzymatic reaction;
Stage #2: at 90℃; for 65h; chemoselective reaction;
99.3%
In neat (no solvent) at 120℃; for 3h; Molecular sieve; Green chemistry;98.2%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(3-hydroxy-3-methylbutyl) tert-butyl carbonate

(3-hydroxy-3-methylbutyl) tert-butyl carbonate

Conditions
ConditionsYield
With zinc diacetate In dichloromethane for 12.33h; Heating;98%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

A

3-methyl-3-hydroxy-1-butyl methacrylate
114349-53-0

3-methyl-3-hydroxy-1-butyl methacrylate

B

3-methylbutane-1,3-diyl bis(2-methylacrylate)

3-methylbutane-1,3-diyl bis(2-methylacrylate)

Conditions
ConditionsYield
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate; 4,4'-di-tert-butylbiphenyl at 50℃; for 2h; Temperature; Schlenk technique; Molecular sieve;A 98%
B 2%
With 1,1,1-trioctyl-1-methylphosphonium methylcarbonate at 20℃; for 3h; Molecular sieve; Green chemistry; chemoselective reaction;A 97%
B 3%
With tetramethylammonium methyl carbonate at 80℃; for 6h; Molecular sieve; Green chemistry; chemoselective reaction;A 3%
B 97%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

benzoyl chloride
98-88-4

benzoyl chloride

2-phenyl-4,4-dimethyl-1,3-dioxanium hexachloroantimonate

2-phenyl-4,4-dimethyl-1,3-dioxanium hexachloroantimonate

Conditions
ConditionsYield
With antimonypentachloride In dichloromethane at 0℃; for 0.25h;97%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3-hydroxy-3-methylbutyl toluene-4-sulfonate
17689-66-6

3-hydroxy-3-methylbutyl toluene-4-sulfonate

Conditions
ConditionsYield
With pyridine at 0℃; for 2h;97%
With pyridine at 20℃; for 8h;90%
With pyridine at 0 - 20℃; for 16h;90%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

acetyl chloride
75-36-5

acetyl chloride

3-hydroxy-3-methylbutyl acetate
5205-01-6

3-hydroxy-3-methylbutyl acetate

Conditions
ConditionsYield
With calcium oxide In 2-methyltetrahydrofuran at 20℃; for 6h; Green chemistry; chemoselective reaction;96%
With pyridine In diethyl ether 1) -15 deg C, 2) room temperature;
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

4-((tert-butyldiphenylsilyl)oxy)-2-methylbutan-2-ol
944451-16-5

4-((tert-butyldiphenylsilyl)oxy)-2-methylbutan-2-ol

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; Inert atmosphere;95%
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 48h;78%
With 1H-imidazole In dichloromethane
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

benzoyl chloride
98-88-4

benzoyl chloride

(3-hydroxy-3-methylbutyl) benzoate
5205-04-9

(3-hydroxy-3-methylbutyl) benzoate

Conditions
ConditionsYield
With iron(III)-acetylacetonate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 6h; Green chemistry; regioselective reaction;94%
With iron(III)-acetylacetonate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 12h;75%
With potassium carbonate In benzene Heating;
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

malondialdehyde bis(diethyl acetal)
122-31-6

malondialdehyde bis(diethyl acetal)

bis(4,4-dimethyl-1,3-dioxan-2-yl)methane
86444-85-1

bis(4,4-dimethyl-1,3-dioxan-2-yl)methane

Conditions
ConditionsYield
With KU-2-8 cation-exchange resin In benzene at 120 - 130℃; heating until alcohol liberation was complete;93%
3-phenyl-propionaldehyde
104-53-0

3-phenyl-propionaldehyde

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

(S)-4,4-dimethyl-2-phenethyl-1,3-dioxane

(S)-4,4-dimethyl-2-phenethyl-1,3-dioxane

Conditions
ConditionsYield
With C80H73NO6P2 In toluene at 20℃; for 48h; Molecular sieve; enantioselective reaction;93%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

4-iodo-2-methylbutan-2-ol
221248-59-5

4-iodo-2-methylbutan-2-ol

Conditions
ConditionsYield
Stage #1: 3-methyl-butane-1,3-diol; p-toluenesulfonyl chloride With pyridine In dichloromethane at 0 - 20℃; for 16h;
Stage #2: With sodium iodide In acetone for 2h; Finkelstein Reaction;
93%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

3-hydroxy-3-methylbutoxytriisopropylsilane
1236306-11-8

3-hydroxy-3-methylbutoxytriisopropylsilane

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide Inert atmosphere;91%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

para-chloroacetophenone
99-91-2

para-chloroacetophenone

1-(4-(3-hydroxy-3-methylbutoxy)phenyl)ethan-1-one

1-(4-(3-hydroxy-3-methylbutoxy)phenyl)ethan-1-one

Conditions
ConditionsYield
With (4,4′-di-tert-butyl-2,2′-dipyridyl)Ni(o-tolyl)(Br); 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 80℃; for 24h; Inert atmosphere; Sealed tube; UV-irradiation;91%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide
1231955-35-3

N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide

N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-(3-hydroxy-3-methylbutoxy)-5-(trifluoromethyl)benzamide
1231955-09-1

N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-(3-hydroxy-3-methylbutoxy)-5-(trifluoromethyl)benzamide

Conditions
ConditionsYield
Stage #1: 3-methyl-butane-1,3-diol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.333333h;
Stage #2: N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide In tetrahydrofuran; mineral oil at 0 - 5℃; for 0.333333h;
90%
Stage #1: 3-methyl-butane-1,3-diol With sodium t-butanolate In tetrahydrofuran at 0 - 5℃; for 0.5h;
Stage #2: N-[(2Z)-3-butyl[1,3]thiazolo[4,5-c]pyridin-2(3H)-ylidene]-2-fluoro-5-(trifluoromethyl)benzamide In tetrahydrofuran at 0℃; for 4h;
72%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

1-benzoylimidazole
10364-94-0

1-benzoylimidazole

(3-hydroxy-3-methylbutyl) benzoate
5205-04-9

(3-hydroxy-3-methylbutyl) benzoate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 50℃; for 8h; regioselective reaction;90%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

3-methylbutane-1,3-diyl bis(2-methylacrylate)

3-methylbutane-1,3-diyl bis(2-methylacrylate)

Conditions
ConditionsYield
With 10H-phenothiazine at 120℃; for 9h; Reagent/catalyst;90%
With 10H-phenothiazine; N,N'-bis(salicylidene)ethylenediamine iron(II) at 100 - 105℃; for 11h; Molecular sieve;
With 10H-phenothiazine; (μ-oxo)bis[(1,2-ethanediamino-N,N'-bis(salicylidene))iron(III)] at 100 - 120℃; under 760.051 Torr; for 11h; Reagent/catalyst; Molecular sieve;99.99 %Chromat.
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

4-cyano-N,N,N-trimethylanilinium trifluoromethansulfonate

4-cyano-N,N,N-trimethylanilinium trifluoromethansulfonate

4-(3-hydroxy-3-methylbutoxy)benzonitrile

4-(3-hydroxy-3-methylbutoxy)benzonitrile

Conditions
ConditionsYield
Stage #1: 3-methyl-butane-1,3-diol With potassium hexamethylsilazane In tetrahydrofuran; N,N-dimethyl-formamide at 25℃; for 0.166667h; Inert atmosphere; Schlenk technique;
Stage #2: 4-cyano-N,N,N-trimethylanilinium trifluoromethansulfonate In tetrahydrofuran; N,N-dimethyl-formamide at 25℃; for 3h; Inert atmosphere; Schlenk technique;
90%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

3-methyl-3-hydroxy-1-butyl methacrylate
114349-53-0

3-methyl-3-hydroxy-1-butyl methacrylate

Conditions
ConditionsYield
With TEMPOL; magnesium ethylate at 100 - 130℃; for 16h;89.3%
With 4,4'-di-tert-butylbiphenyl; toluene-4-sulfonic acid at 80℃; for 3h; Temperature; Schlenk technique; Molecular sieve;3%
With 10H-phenothiazine; Tridecane; N,N'-bis(salicylidene)ethylenediamine iron(II) at 100 - 120℃; for 1h;
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

5,5-dimethyl-oxazolidin-2-one
1121-83-1

5,5-dimethyl-oxazolidin-2-one

Conditions
ConditionsYield
With sodium azide; (Dichloroiodo)benzene In ethyl acetate at 0 - 80℃; for 12h; Concentration; Curtius Rearrangement; Inert atmosphere;89%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

benzyl bromide
100-39-0

benzyl bromide

1-O-benzyl-3-methyl-1,3-butanediol
138432-95-8

1-O-benzyl-3-methyl-1,3-butanediol

Conditions
ConditionsYield
With tris(2,6-dimethylheptane-3,5-dionato)iron(III); potassium carbonate In acetonitrile at 80℃; for 24h; regioselective reaction;88%
With sodium hydride In mineral oil
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

4-(α-bromo-isobutyrylamino)-benzoic acid

4-(α-bromo-isobutyrylamino)-benzoic acid

3-hydroxy-3-methylbutyl 4-(2-bromo-2-methylpropanamido)benzoate

3-hydroxy-3-methylbutyl 4-(2-bromo-2-methylpropanamido)benzoate

Conditions
ConditionsYield
Stage #1: 4-(α-bromo-isobutyrylamino)-benzoic acid With dmap; triethylamine; 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 3h; Inert atmosphere;
Stage #2: 3-methyl-butane-1,3-diol In dichloromethane at 20℃; for 14h; Inert atmosphere;
88%
Stage #1: 4-(α-bromo-isobutyrylamino)-benzoic acid With dmap; triethylamine; 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 3h;
Stage #2: 3-methyl-butane-1,3-diol In dichloromethane at 20℃; for 14h;
65%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

allyl bromide
106-95-6

allyl bromide

4-(allyloxy)-2-methylbutan-2-ol
126179-66-6

4-(allyloxy)-2-methylbutan-2-ol

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran at 70℃; for 16.5h;88%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

A

1,1-dimethyl-trimethylene carbonate
32368-09-5

1,1-dimethyl-trimethylene carbonate

B

C7H14O4
1413918-02-1

C7H14O4

Conditions
ConditionsYield
at 80 - 120℃; for 72h; Product distribution / selectivity;A 86.3%
B 11.6%
3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

bis(diethylamino)dimethylsilane
4669-59-4

bis(diethylamino)dimethylsilane

2,2,4,4-tetramethyl-1,3-dioxa-2-silacyclo-hexane
77181-38-5

2,2,4,4-tetramethyl-1,3-dioxa-2-silacyclo-hexane

Conditions
ConditionsYield
In 1,4-dioxane Heating;86%

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