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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 2(5H)-Furanone, 5-hydroxy-4-methyl-

Cas:40834-42-2

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 40834-42-2 2(5H)-Furanone,5-hydroxy-4-methyl-

Cas:40834-42-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

5-Hydroxy-4-methyl-2(5H)-furanone Manufacturer/High quality/Best price/In stock

Cas:40834-42-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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

Pharmaceutical Grade CAS 40834-42-2 with competitive price

Cas:40834-42-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

5-HYDROXY-4-METHYL-2(5H)FURANONE CAS:40834-42-2 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

5-HYDROXY-4-METHYL-2(5H)FURANONE CAS:40834-42-2

Cas:40834-42-2

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

2(5H)-Furanone,5-hydroxy-4-methyl-

Cas:40834-42-2

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

2(5H)-Furanone,5-hydroxy-4-methyl-

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

5-TYDROXY-4-METHYL-1-FURANONE

Cas:40834-42-2

Min.Order:1 Gram

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

5-hydroxy-4-methyl-2,5-dihydrofuran-2-one

Cas:40834-42-2

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

2(5H)-Furanone,5-hydroxy-4-methyl-

Cas:40834-42-2

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

5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

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

5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

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:White crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide interm

5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

40834-42-2 5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 3-Methyl-4-Hydroxy Butenolide CAS No.: 40834-42-2 Molecule Formula:C5H6O3 Molecule Weight:114.10 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

Lower Price 3-Methyl-4-Hydroxy Butenolide on stock

Cas:40834-42-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

2-hydroxy-3-methyl-2H-furan-5-one

Cas:40834-42-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

5-Hydroxy-4-methylfuran-2(5H)-one

Cas:40834-42-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

5-HYDROXY-4-METHYL-2(5H)FURANONE Chemical Properties Boiling point 113 °C(Press: 0.05 Torr) density 1.349±0.06 g/cm3(Predicted) storage temp. Sealed in dry,2-8°C pka 10.04±0.40(Predicted) CAS DataBase Reference

5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

5-Hydroxy-4-methylfuran-2(5H)-one

Cas:40834-42-2

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Trading Company

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

5-HYDROXY-4-METHYL-2(5H)FURANONE

Cas:40834-42-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

2(5H)-Furanone,5-hydroxy-4-methyl-

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Other

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

5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Luyunjia Chemistry Xiamen Limited

Luyunjia Chemistry Xiamen Limited is a high-tech company specializing in R&D and manufacturing of photoinitiators monomers and oligomers, UV absorbers and pharmaceutical intermediates, and pharmaceutical intermediates of generic drug. and has a h

hight quality 5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai

4-Methyl-5-hydroxy-2(5H)-furanone

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

5-Hydroxy-4-methyl-2(5H)-furanone

Cas:40834-42-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

with high qualityAppearance:white powder Storage:Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Package:25kg/drum Application:as intermediates Transportation:by courier, air or sea Port:At any port from China

5-Hydroxy-4-Methyl-2(5H)Furanone 40834-42-2 with best price

Cas:40834-42-2

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 5-Hydroxy-4-methylfuran-2(5H)-one 500g

Cas:40834-42-2

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

ethyl (E/Z)-4,4-dimethoxy-3-methylbut-2-enoate
83803-81-0

ethyl (E/Z)-4,4-dimethoxy-3-methylbut-2-enoate

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride; iodine for 3h; Heating;100%
C14H26O3Si

C14H26O3Si

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With amberlyst-15; water Ambient temperature;81%
propionaldehyde
123-38-6

propionaldehyde

Glyoxilic acid
298-12-4

Glyoxilic acid

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With morpholine; hydrogenchloride In water at 20℃; for 13h; Reflux;76%
With morpholine In 1,4-dioxane; water
Stage #1: Glyoxilic acid With morpholine In n-heptane; water at 0 - 20℃;
Stage #2: propionaldehyde In n-heptane; water at 20 - 45℃;
Stage #3: With hydrogenchloride In n-heptane; water at 20℃;
propionaldehyde
123-38-6

propionaldehyde

2,2-dihydroxyacetic acid
563-96-2

2,2-dihydroxyacetic acid

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With morpholin hydrochloride In 1,4-dioxane; water 1) RT, 1 h, 2) 24 h, reflux;76%
citraconic acid anhydride
616-02-4

citraconic acid anhydride

A

5-Hydroxy-3-methyl-5H-furan-2-one
931-23-7

5-Hydroxy-3-methyl-5H-furan-2-one

B

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at -30 - -15℃; for 3h; Inert atmosphere;A 7%
B 60%
citraconic acid anhydride
616-02-4

citraconic acid anhydride

A

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

B

4-methyl-2(5H)-furanone
6124-79-4

4-methyl-2(5H)-furanone

C

3-methyl-5H-furan-2-one
22122-36-7

3-methyl-5H-furan-2-one

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran THF, 0 deg C, 45 min; room temperature, 45 min;A 5%
B 43%
C 5%
γ-morpholinobutenolide
78920-07-7

γ-morpholinobutenolide

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride for 0.25h; Heating; Yield given;
2-ethoxy-3-methyl-2H-furan-5-one
78920-13-5

2-ethoxy-3-methyl-2H-furan-5-one

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride for 0.25h; Heating; Yield given;
L-menthyl glyoxylate
26315-61-7

L-menthyl glyoxylate

(E)-1-(N-morpholino)propene
51043-49-3

(E)-1-(N-morpholino)propene

A

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

B

(E)-3-Methyl-4-oxo-but-2-enoic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester
109745-72-4

(E)-3-Methyl-4-oxo-but-2-enoic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester

Conditions
ConditionsYield
With sulfuric acid; toluene-4-sulfonic acid Multistep reaction. Yields of byproduct given;
With sulfuric acid; toluene-4-sulfonic acid Yield given. Multistep reaction;
4-methyl-2-(triisopropyl)silyloxy-furan
203131-19-5

4-methyl-2-(triisopropyl)silyloxy-furan

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / dimethyldioxirane / acetone; CH2Cl2
2: 81 percent / H2O, Amberlyst-15 / Ambient temperature
View Scheme
1,1-diethoxypropane
4744-08-5

1,1-diethoxypropane

morpholin hydrochloride
10024-89-2

morpholin hydrochloride

glyoxalic acid monohydrate
6000-59-5

glyoxalic acid monohydrate

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane; aqueous sodium chloride; ethyl acetate
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

BF4OEt3

BF4OEt3

(Z)-3-Methyl-4-oxo-but-2-enoic acid ethyl ester
62054-50-6

(Z)-3-Methyl-4-oxo-but-2-enoic acid ethyl ester

Conditions
ConditionsYield
With sodium hydride95%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

thiophenol
108-98-5

thiophenol

4-methyl-5-(phenylthio)furan-2(5H)-one

4-methyl-5-(phenylthio)furan-2(5H)-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 80℃; for 15h;90%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

3-(triphenylphosphoranylidene)butan-2-one
26487-92-3

3-(triphenylphosphoranylidene)butan-2-one

4-Methyl-5-(1-methyl-2-oxo-propyl)-5H-furan-2-one
58661-11-3

4-Methyl-5-(1-methyl-2-oxo-propyl)-5H-furan-2-one

Conditions
ConditionsYield
In toluene Heating;85%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

methyl iodide
74-88-4

methyl iodide

methyl (Z)-3-methyl-4-oxo-2-butenoate
96928-85-7

methyl (Z)-3-methyl-4-oxo-2-butenoate

Conditions
ConditionsYield
With sodium hydride In N,N,N,N,N,N-hexamethylphosphoric triamide85%
With sodium hydride 1.) HMPA, 0 deg C, 1 h, 2.) 20 min; Yield given. Multistep reaction;
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

triethylsilyl chloride
994-30-9

triethylsilyl chloride

5-triethylsilyloxy-4-methyl-2(5H)-furanone
958300-33-9

5-triethylsilyloxy-4-methyl-2(5H)-furanone

Conditions
ConditionsYield
With pyridine In dichloromethane at 0℃; for 1h;82%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

3-methyl-5,6-diaza-2,4-cyclohexadien-1-one
54709-94-3

3-methyl-5,6-diaza-2,4-cyclohexadien-1-one

Conditions
ConditionsYield
With hydrazine In tetrahydrofuran at 20 - 60℃;80%
With hydrazine In tetrahydrofuran at 20 - 60℃;80%
Multi-step reaction with 4 steps
1: tetrahydrofuran / 4 h / Heating
2: conc. HCl / 0.25 h / Heating
3: HCl(g) / 12 h / Heating
4: 60 percent / H2N-NH2*H2O / aq. ethanol / 3 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: HCl(g) / 12 h / Heating
2: 60 percent / H2N-NH2*H2O / aq. ethanol / 3 h / Heating
View Scheme
3-amino-5-tert-butylisoxazole
55809-36-4

3-amino-5-tert-butylisoxazole

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

5-(5-tert-butyl-1,2-isoxazol-3-yl)amino-4-methyl-2,5-dihydrofuran-2-one

5-(5-tert-butyl-1,2-isoxazol-3-yl)amino-4-methyl-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
In toluene for 8h; Reflux;71%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

benzyl alcohol
100-51-6

benzyl alcohol

5-(benzyloxy)-4-methylfuran-2(5H)-one

5-(benzyloxy)-4-methylfuran-2(5H)-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In 1,4-dioxane; toluene for 5h; Heating;70%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

benzylamine
100-46-9

benzylamine

1-benzyl-4-methyl-1,5-dihydro-2H-pyrrol-2-one
42855-59-4

1-benzyl-4-methyl-1,5-dihydro-2H-pyrrol-2-one

Conditions
ConditionsYield
Stage #1: 5-hydroxy-4-methyl-5H-furan-2-one; benzylamine In isopropyl alcohol at 40℃; for 1h;
Stage #2: With sodium tetrahydroborate; sodium hydroxide In water; isopropyl alcohol at 0 - 25℃; for 1.5h;
Stage #3: With acetic acid at 50℃; for 16h; pH=7-8;
69%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

5-chloro-4-(trifluoromethyl)pyridin-2-amine
1095823-39-4

5-chloro-4-(trifluoromethyl)pyridin-2-amine

5-(5-chloro-4-trifluoromethylpyridin-2-yl)amino-4-methyl-2,5-dihydrofuran-2-one

5-(5-chloro-4-trifluoromethylpyridin-2-yl)amino-4-methyl-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
In toluene for 16h; Reflux;68%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

t-butyldimethylsiyl triflate
69739-34-0

t-butyldimethylsiyl triflate

5-tert-butyldimethylsilyloxy-4-methyl-2(5H)-furanone
958300-34-0

5-tert-butyldimethylsilyloxy-4-methyl-2(5H)-furanone

Conditions
ConditionsYield
With 2,6-dimethylpyridine In dichloromethane at 0℃; for 2h;64%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

trichloroacetonitrile
545-06-2

trichloroacetonitrile

3-methyl-5-oxo-2,5-dihydrofuran-2-yl 2,2,2-trichloroacetimidate
861899-14-1

3-methyl-5-oxo-2,5-dihydrofuran-2-yl 2,2,2-trichloroacetimidate

Conditions
ConditionsYield
With sodium hydride In dichloromethane at 20℃; for 4h;63%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

1-(4-methoxybenzyl)-4-methyl-1,5-dihydro-2H-pyrrol-2-one

1-(4-methoxybenzyl)-4-methyl-1,5-dihydro-2H-pyrrol-2-one

Conditions
ConditionsYield
Stage #1: 5-hydroxy-4-methyl-5H-furan-2-one; 4-methoxy-benzylamine In isopropyl alcohol at 40℃; for 1h;
Stage #2: With sodium tetrahydroborate; sodium hydroxide In water; isopropyl alcohol at 0 - 25℃; for 1.5h;
Stage #3: With acetic acid In water; isopropyl alcohol at 50℃; for 16h; pH=7-8;
63%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

[13C]methyl iodide
4227-95-6

[13C]methyl iodide

4-methyl-5-(methyl-13C)furan-2(5H)-one

4-methyl-5-(methyl-13C)furan-2(5H)-one

Conditions
ConditionsYield
Stage #1: [13C]methyl iodide With magnesium In diethyl ether at 40℃; for 1h; Inert atmosphere;
Stage #2: 5-hydroxy-4-methyl-5H-furan-2-one In diethyl ether at 0 - 20℃;
57%
vinyl acetate
108-05-4

vinyl acetate

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

(-)-5-(R)-acetoxy-4-methyl-2(5H)-furanone
180063-09-6

(-)-5-(R)-acetoxy-4-methyl-2(5H)-furanone

Conditions
ConditionsYield
With lipase R immobilized on Hyflo Super Cell In diethyl ether for 240h; Ambient temperature;52%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

(-)-menthol
2216-51-5

(-)-menthol

A

5-menthyloxy-4-methyl-2<5H>-furanone
120262-97-7, 120263-06-1, 120263-07-2, 120262-96-6

5-menthyloxy-4-methyl-2<5H>-furanone

B

(5S)-5-(l-menthyloxy)-4-methyl-2(5H)-furanone
120262-97-7

(5S)-5-(l-menthyloxy)-4-methyl-2(5H)-furanone

Conditions
ConditionsYield
A 39%
B n/a
at 120℃; for 72h; Yield given. Yields of byproduct given;
at 120℃; for 72h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

(2E)-3-phenyl-2-propen-1-ol
4407-36-7

(2E)-3-phenyl-2-propen-1-ol

4-methyl-5-cinnamyloxy-2(5H)-furanone

4-methyl-5-cinnamyloxy-2(5H)-furanone

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 24h; Heating;34%
(E)-5-(furan-3-yl)-2-methylpent-2-en-1-ol
22391-29-3

(E)-5-(furan-3-yl)-2-methylpent-2-en-1-ol

5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

ursinanolide
83882-99-9

ursinanolide

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane for 72h; Ambient temperature;27%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Z-(3,7-dimethylocta-2,6-dienyl)diphenylphosphine oxide
70143-03-2

Z-(3,7-dimethylocta-2,6-dienyl)diphenylphosphine oxide

2Z,4Z,6Z-3,7,11-trimethyldideca-2,4,6,10-tetraenoic acid
70143-09-8

2Z,4Z,6Z-3,7,11-trimethyldideca-2,4,6,10-tetraenoic acid

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran for 3h;10%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

E-(3,7-dimethylocta-2,6-dienyl)diphenylphosphine oxide
13303-62-3

E-(3,7-dimethylocta-2,6-dienyl)diphenylphosphine oxide

2Z,4E,6E-3,7,11-trimethyldideca-2,4,6,10-tetraenoic acid
70143-08-7

2Z,4E,6E-3,7,11-trimethyldideca-2,4,6,10-tetraenoic acid

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran7%
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

Methyl diethylphosphonoacetate
1067-74-9

Methyl diethylphosphonoacetate

(2Z,4E)-5-methoxycarbonyl-3-methyl-2,4-petadienone acid
3555-79-1

(2Z,4E)-5-methoxycarbonyl-3-methyl-2,4-petadienone acid

Conditions
ConditionsYield
With sodium methylate In methanol; diethyl ether
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

cyclohex-1-enylmethyl-triphenyl-phosphonium; bromide
57380-65-1

cyclohex-1-enylmethyl-triphenyl-phosphonium; bromide

(2Z,4E)-5-Cyclohex-1-enyl-3-methyl-penta-2,4-dienoic acid
41438-10-2

(2Z,4E)-5-Cyclohex-1-enyl-3-methyl-penta-2,4-dienoic acid

Conditions
ConditionsYield
(i) PhLi, (ii) /BRN= 1561665/; Multistep reaction;
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

triphenyl((2,6,6-trimethylcyclohex-1-enyl)methyl)phosphonium bromide
56013-01-5

triphenyl((2,6,6-trimethylcyclohex-1-enyl)methyl)phosphonium bromide

(2Z,4E)-3-methyl-5-(2',6',6'-trimethylcyclohex-1'-en-1'-yl)-2,4-pentadienoic acid
14398-44-8

(2Z,4E)-3-methyl-5-(2',6',6'-trimethylcyclohex-1'-en-1'-yl)-2,4-pentadienoic acid

Conditions
ConditionsYield
(i) PhLi, (ii) /BRN= 1561665/; Multistep reaction;
5-hydroxy-4-methyl-5H-furan-2-one
40834-42-2

5-hydroxy-4-methyl-5H-furan-2-one

trans-β-formyl crotonic acid
54168-84-2

trans-β-formyl crotonic acid

Conditions
ConditionsYield
With sodium methylate In methanol

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