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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

3-Hydroxy-2-methyl-4-pyrone Manufacturer/High quality/Best price/In stock

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $3.0

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

3-Hydroxy-2-methyl-4-pyrone

Cas:118-71-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

Maltol is a naturally occurring organic compound that is primarily used as flavor enhancer. Chemical formula: C6H6O3 Molecular weight: 126.11 g/mol Code GBI1108-Code of additives under the standard of P.R.C INS636-International code system FE

Maltol

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 3-Hydroxy-2-Methyl-4-Pyrone supplier in China

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name 3-Hydroxy-2-methyl-4-pyrone CAS number 118-71-8 Assay ≥99.5% Appearance White crystalline powder Capacity 500mt/year Application Food addit

3-Hydroxy-2-methyl-4-pyrone

Cas:118-71-8

Min.Order:100 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available

High Quality 3-Hydroxy-2-methyl-4-pyrone Methyl Maltol 118-71-8

Cas:118-71-8

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

Maltol CAS No.:118-71-8 Name: Maltol Synonyms: 3-Hydroxy-2-methyl-4-pyrone; 3-Hydroxy-2-methyl-4H-pyran-4-one Molecular Structure:

High purity Maltol CAS No.:118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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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-hydroxy-2-methyl-4-pyrone

Cas:118-71-8

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic MALTOL 118-71-8 Manufacturer

Cas:118-71-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 3-Hydroxy-2-methyl-4H-pyran-4-one

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

CAS 118-71-8 White Crystalline Powder Caramel Sweet Flavor Odor Enhancer Maltol

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Methyl Maltol

Cas:118-71-8

Min.Order:1 Metric Ton

Negotiable

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

Maltol

Cas:118-71-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Technical Details 3-Hydroxy-2-methyl-4H-pyran-4-one Chemical Properties Melting point 160-164 °C(lit.) Boiling point 205 °C density 1.046 g/mL at 25 &de

China Largest factory Manufacturer Supply High Quality LARIXINIC ACID/Maltol CAS 118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Product Name: 3-Hydroxy-2-methyl-4H-pyran-4-one Synonyms: Pantoprazole Sodium Impurity X;2-Methyl-3-hydroxy-.gamma.-pyranone;2-Methyl-3-hydroxy-4-pyrone;2-Methyl-3-hydroxy-gamma.-pyranone;2-Methyl-3-hydroxypyrone;2-Methyl-3-oxy-gamma-pyrone;2-Meth

3-Hydroxy-2-methyl-4H-pyran-4-one 118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $500.0

Type:Lab/Research institutions

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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

3-Hydroxy-2-methyl-4H-pyran-4-one

Cas:118-71-8

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

Hot selling CAS 118-71-8 with competitive price

Cas:118-71-8

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Maltol CAS NO. 118-71-8 EINECS NO. 204-271-8 FEMA

3-Hydroxy-2-Methyl-4H-Pyran-4-One CAS: 118-71-8

Cas:118-71-8

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

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

3-Hydroxy-2-methyl-4H-pyran-4-one 118-71-8CAS NO.: 118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla

high assay 3-Hydroxy-2-methyl-4H-pyran-4-one CAS No: 118-71-8 supplier

Cas:118-71-8

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

3-Hydroxy-2-methyl-4-pyrone 118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA

Maltol 118-71-8 cas 99.9% ready stock methyl maltol

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Baoji Guokang Healthchem co.,ltd

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

3-Hydroxy-2-methyl-4H-pyran-4-one

Cas:118-71-8

Min.Order:1 Kilogram

FOB Price: $72.0 / 84.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

3-Hydroxy-2-methyl-4H-pyran-4-one CAS:118-71-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality o

3-Hydroxy-2-methyl-4H-pyran-4-one CAS:118-71-8

Cas:118-71-8

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

3-Hydroxy-2-methyl-4H-pyran-4-one

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

3-Hydroxy-2-methyl-4-pyrone CAS NO.118-71-8

Cas:118-71-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Hubei Jiutian Bio-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 qualifie

2-Methyl-3-hydroxy-.gamma.-pyranone CAS118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

3-Hydroxy-2-methyl-4H-pyran-4-one CAS: 118-71-8 Specification Product name 3-Hydroxy-2-methyl-4-pyrone CAS number 118-71-8 Assay ≥99.5% Appearance White crystalline powder Capacity 500m

Factory supply 3-Hydroxy-2-methyl-4H-pyran-4-one

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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 etc. 3) OEM/ODM Available;

Natural maltol Fcc for baked food CAS 118-71-8

Cas:118-71-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

methyl maltol barium

methyl maltol barium

A

Maltol
118-71-8

Maltol

B

barium sulfate

barium sulfate

Conditions
ConditionsYield
With sodium sulfate In water at 26℃; for 3h; Temperature; Time; Concentration;A 88.5%
B 99.8%
C15H26O3Si
1198597-46-4

C15H26O3Si

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With potassium acetate In water; N,N-dimethyl-formamide at 25℃; for 20h;92%
3-((tert-butyldimethylsilyl)oxy)-2-methyl-4H-pyran-4-one
152547-41-6

3-((tert-butyldimethylsilyl)oxy)-2-methyl-4H-pyran-4-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With lithium acetate In water; N,N-dimethyl-formamide at 25℃; for 8h; Inert atmosphere;90%
C6H8O4

C6H8O4

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With sodium hydroxide In water at -5 - 30℃; pH=2 - 3;80.5%
1-(2-furyl)ethanol
4208-64-4

1-(2-furyl)ethanol

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With tert-butylhypochlorite In acetic acid 1.) 25 deg C, 2 h, 2.) 90 deg C, 4 h;75%
With chlorine In methanol; water 1.) -5 deg C; 2.) 90-95 deg C, 3.5 h;71%
With chlorine In methanol; water at 90 - 95℃; for 3.5h; Rearrangement;71%
4,6-dimethoxy-2-methyl-2H-pyran-3(6H)-one
63493-69-6

4,6-dimethoxy-2-methyl-2H-pyran-3(6H)-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With sulfuric acid at 25℃; for 0.333333h;74%
2-(1-hydroxyethyl)-2,3,5-trimethoxy-2,5-dihydrofuran
67171-01-1

2-(1-hydroxyethyl)-2,3,5-trimethoxy-2,5-dihydrofuran

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With sulfuric acid at 25℃; for 4h;67%
In sulfuric acid67%
Multi-step reaction with 2 steps
1: 77 percent / formic acid / methanol / 0.17 h / 20 °C
2: 74 percent / 2M aq. H2SO4 / 0.33 h / 25 °C
View Scheme
trans-4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one
72690-06-3

trans-4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With acetic acid for 1.5h; Heating;66%
4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one
66212-70-2

4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With acetic acid65%
6-methoxy-2-methyl-2H-pyran-3(6H)-one
41728-10-3

6-methoxy-2-methyl-2H-pyran-3(6H)-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With chlorine In acetic acid 1.) 10 deg C, 30 min; 2.) reflux 1.5 h;56%
With sodium hydroxide; chlorine In water; acetic acid56%
Multi-step reaction with 2 steps
1: Cl2, triethylamine / CH2Cl2 / 1.) -10 deg C, 30 min; 2.) 10 deg C, 25 min
2: 66 percent / acetic acid / 1.5 h / Heating
View Scheme
1-(2-furyl)ethanol
4208-64-4

1-(2-furyl)ethanol

A

Maltol
118-71-8

Maltol

B

potassium bromide

potassium bromide

Conditions
ConditionsYield
With sodium bromide; chlorine In tetrahydrofuran; waterA 55%
B n/a
4-bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one
66187-06-2

4-bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
In phosphoric acid34%
6-ethoxy-4,5-epoxy-3-oxo-2-methyltetrahydropyran
60546-72-7

6-ethoxy-4,5-epoxy-3-oxo-2-methyltetrahydropyran

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
In water9.5%
methyl 6-deoxy-2,3-O-isopropylidene-α-L-lyxo-hexopyranoside-4-ulose
2592-53-2

methyl 6-deoxy-2,3-O-isopropylidene-α-L-lyxo-hexopyranoside-4-ulose

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 1h; Ambient temperature;60 mg
3-(β-D-glucopyranosyloxy)-2-methyl-4H-pyran-4-one
20847-13-6

3-(β-D-glucopyranosyloxy)-2-methyl-4H-pyran-4-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With hydrogenchloride6 mg
With almond β-glucosidase at 37℃; for 1h; pH=7.5; aq. buffer; Enzymatic reaction;
3-(β-D-glucopyranosyloxy)-2-methyl-4H-pyran-4-one
20847-13-6

3-(β-D-glucopyranosyloxy)-2-methyl-4H-pyran-4-one

A

Maltol
118-71-8

Maltol

B

D-glucose
50-99-7

D-glucose

Conditions
ConditionsYield
With hydrogenchloride for 1h; Heating;
soyasaponin βg
553664-53-2

soyasaponin βg

A

Maltol
118-71-8

Maltol

B

soyasaponin I
51330-27-9

soyasaponin I

Conditions
ConditionsYield
With sodium hydroxide In methanol; water at 4℃;A 4.4 mg
B 57.4 mg
4-(α-D-glocopyranosyloxy)-2-hydroxy-2-methyl-2H-pyran-3(6H)-one
95263-68-6

4-(α-D-glocopyranosyloxy)-2-hydroxy-2-methyl-2H-pyran-3(6H)-one

A

Maltol
118-71-8

Maltol

B

β-D-glucose
492-61-5

β-D-glucose

Conditions
ConditionsYield
enzymic hydrolysis;
1-(N-L-triptophanyl)-1-deoxy-D-fructose
87251-66-9

1-(N-L-triptophanyl)-1-deoxy-D-fructose

A

5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

B

Maltol
118-71-8

Maltol

C

isomaltol
3420-59-5

isomaltol

D

α-carboline
244-76-8

α-carboline

E

L-Tryptophan
73-22-3

L-Tryptophan

Conditions
ConditionsYield
In water at 95℃; under 750.06 - 450036 Torr; Rate constant; Product distribution; various pressure; ΔV*;
thymidine diphosphate 4-keto-6-deoxy-α-D-glucose
16752-71-9

thymidine diphosphate 4-keto-6-deoxy-α-D-glucose

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With potassium phosphate buffer for 0.333333h; pH=3.6; Decomposition;
cellulose

cellulose

A

Maltol
118-71-8

Maltol

B

2-hydroxy-3-methylcyclopent-2-en-1-one
80-71-7

2-hydroxy-3-methylcyclopent-2-en-1-one

C

levoglucosan
498-07-7

levoglucosan

Conditions
ConditionsYield
With air at 400 - 450℃; Oxidation; Formation of xenobiotics;
Eucalyptus grandis wood

Eucalyptus grandis wood

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
Decomposition; Formation of xenobiotics; pyrolysis;
trichloro-acetic acid 2-methyl-4-oxo-4H-pyran-3-yl ester

trichloro-acetic acid 2-methyl-4-oxo-4H-pyran-3-yl ester

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With lithium perchlorate; potassium carbonate In acetonitrile for 1.5h; Electrolysis; Hg cathode, Pt anode, -1.0 V (vs SCE);
isomaltol O-methyl ether
3420-58-4

isomaltol O-methyl ether

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 75 percent / NaHCO3, Br2 / methanol / 1.) -30 deg C; 2.) room temp., 2 h
2: 100 percent / NaBH4 / methanol / 15 - 25 °C
3: 67 percent / H2SO4 / 4 h / 25 °C
View Scheme
Multi-step reaction with 4 steps
1: 75 percent / NaHCO3, Br2 / methanol / 1.) -30 deg C; 2.) room temp., 2 h
2: 100 percent / NaBH4 / methanol / 15 - 25 °C
3: 77 percent / formic acid / methanol / 0.17 h / 20 °C
4: 74 percent / 2M aq. H2SO4 / 0.33 h / 25 °C
View Scheme
2-acetyl-2,3,5-trimethoxy-2,5-dihydrofuran
67171-02-2

2-acetyl-2,3,5-trimethoxy-2,5-dihydrofuran

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 100 percent / NaBH4 / methanol / 15 - 25 °C
2: 67 percent / H2SO4 / 4 h / 25 °C
View Scheme
Multi-step reaction with 3 steps
1: 100 percent / NaBH4 / methanol / 15 - 25 °C
2: 77 percent / formic acid / methanol / 0.17 h / 20 °C
3: 74 percent / 2M aq. H2SO4 / 0.33 h / 25 °C
View Scheme
2-methoxy-3,4-dichloro-6-methyl tetrahydropyran-5-one
71280-24-5

2-methoxy-3,4-dichloro-6-methyl tetrahydropyran-5-one

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With sodium hydroxide In sulfuric acid
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
In tetrahydrofuran; BrCl; water
1-(2-furyl)ethanol
4208-64-4

1-(2-furyl)ethanol

A

Maltol
118-71-8

Maltol

B

3-hydroxy-2-methyl-γ -pyrone (maltol)

3-hydroxy-2-methyl-γ -pyrone (maltol)

Conditions
ConditionsYield
In tetrahydrofuran; water; chlorine
2-(1-hydroxyethyl)-3-methoxy furan

2-(1-hydroxyethyl)-3-methoxy furan

Maltol
118-71-8

Maltol

Conditions
ConditionsYield
With chlorine In methanol; water
Maltol
118-71-8

Maltol

benzyl bromide
100-39-0

benzyl bromide

3-O-benzylmaltol
61049-69-2

3-O-benzylmaltol

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1.25h; Inert atmosphere;100%
Stage #1: Maltol; benzyl bromide In N,N-dimethyl-formamide at 80℃; for 0.25h;
Stage #2: With potassium carbonate In N,N-dimethyl-formamide for 1h;
100%
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 2h;100%
Maltol
118-71-8

Maltol

benzyl chloride
100-44-7

benzyl chloride

3-O-benzylmaltol
61049-69-2

3-O-benzylmaltol

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 5h; Reflux;99.4%
With potassium carbonate In methanol for 1h; Reflux;98%
With sodium hydroxide In methanol Heating / reflux;95%
Maltol
118-71-8

Maltol

methyl iodide
74-88-4

methyl iodide

3-methoxy-2-methyl-4-pyrone
4780-14-7

3-methoxy-2-methyl-4-pyrone

Conditions
ConditionsYield
With potassium carbonate In acetone for 3h; Reflux;99.4%
With potassium carbonate In acetone for 6h; Reflux;99%
With potassium carbonate In acetone for 3h; Reflux;99.4%
Maltol
118-71-8

Maltol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

3-((tert-butyldimethylsilyl)oxy)-2-methyl-4H-pyran-4-one
152547-41-6

3-((tert-butyldimethylsilyl)oxy)-2-methyl-4H-pyran-4-one

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane at 0℃; Inert atmosphere;99%
With 1H-imidazole In dichloromethane at 23℃; for 2h; Inert atmosphere;99%
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; Inert atmosphere;98%
Maltol
118-71-8

Maltol

[ReOCl3(PPh3)2]

[ReOCl3(PPh3)2]

[ReOCl2(3-hydroxy-2-methyl-4H-pyran-4-one(1-))(PPh3)]

[ReOCl2(3-hydroxy-2-methyl-4H-pyran-4-one(1-))(PPh3)]

Conditions
ConditionsYield
In dichloromethane suspn. Ru colmplex and maltol in CH2Cl2 was refluxed for 4 h; soln. was kept at -15°C for 7 days, ppt. was filtered off, washedwith n-hexane and dried in vacuo; elem. anal.;99%
Maltol
118-71-8

Maltol

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

C22H24O3Si

C22H24O3Si

Conditions
ConditionsYield
With 1H-imidazole In dichloromethane at 23℃; for 1.5h; Inert atmosphere;99%
Maltol
118-71-8

Maltol

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

3-((4-methoxybenzyl)oxy)-2-methyl-4H-pyran-4-one

3-((4-methoxybenzyl)oxy)-2-methyl-4H-pyran-4-one

Conditions
ConditionsYield
With potassium carbonate In acetone for 12h; Reflux;99%
With potassium carbonate In acetone for 6h; Reflux;97%
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 5h;65%
Maltol
118-71-8

Maltol

p-Methoxybenzyl bromide
2746-25-0

p-Methoxybenzyl bromide

3-((4-methoxybenzyl)oxy)-2-methyl-4H-pyran-4-one

3-((4-methoxybenzyl)oxy)-2-methyl-4H-pyran-4-one

Conditions
ConditionsYield
With potassium carbonate In acetone for 6h; Reflux;99%
Maltol
118-71-8

Maltol

acetic anhydride
108-24-7

acetic anhydride

2-methyl-4-oxo-4H-pyran-3-yl acetate
28787-36-2

2-methyl-4-oxo-4H-pyran-3-yl acetate

Conditions
ConditionsYield
at 90℃; for 6h;98%
With acetic acid at 80℃; for 18h; Inert atmosphere;84%
With sodium acetate In chloroform at 125℃; under 2250.2 Torr; for 0.25h; Irradiation;75%
at 80℃; for 6h;
Maltol
118-71-8

Maltol

[(hydrotris(3,5-phenylmethylpyrazolyl)borato)CoCl]

[(hydrotris(3,5-phenylmethylpyrazolyl)borato)CoCl]

[(hydrotris(3,5-phenylmethylpyrazolyl)borato)Co(maltolato)]

[(hydrotris(3,5-phenylmethylpyrazolyl)borato)Co(maltolato)]

Conditions
ConditionsYield
With (C2H5)3N In methanol; dichloromethane (C2H5)3N added to a soln. of Co complex, a soln. of ligand in MeOH added, stirred at room temp. under N2; evapd. (vac.), dissolved in C6H6, filtered, crystd. by diffusion of the soln. with pentane; elem. anal.;98%
Maltol
118-71-8

Maltol

vanadium(V) oxytriisopropoxide
5588-84-1

vanadium(V) oxytriisopropoxide

(malt)2V(V)(O)(O(i)Pr)
117624-61-0, 891865-72-8

(malt)2V(V)(O)(O(i)Pr)

Conditions
ConditionsYield
In acetonitrile at -20 - 20℃;98%
Maltol
118-71-8

Maltol

acetyl chloride
75-36-5

acetyl chloride

2-methyl-4-oxo-4H-pyran-3-yl acetate
28787-36-2

2-methyl-4-oxo-4H-pyran-3-yl acetate

Conditions
ConditionsYield
In ethanol at 100℃; for 6h; Temperature;97.02%
Maltol
118-71-8

Maltol

silver nitrate

silver nitrate

silver(I) 3-hydroxy-2-methyl-γ-pyranoate
620591-69-7

silver(I) 3-hydroxy-2-methyl-γ-pyranoate

Conditions
ConditionsYield
With triethylamine In ethanol; triethylamine; acetonitrile byproducts: NEt3*HNO3; a soln. of γ-pyranone in Et3N and EtOH were added dropwise under N2 to a soln. of AgNO3 in MeCN-EtOH in the dark at 25°C, the mixt.was stirred for 2 h; filtd., ppt. was washed with cold EtOH, filtrate evapd. under vac.; elem. anal.;97%
Maltol
118-71-8

Maltol

oxalic acid
144-62-7

oxalic acid

3-hydroxy-2-methyl-4-pyrone/oxalic acid 1:1 cocrystals

3-hydroxy-2-methyl-4-pyrone/oxalic acid 1:1 cocrystals

Conditions
ConditionsYield
In methanol at 64℃; for 1h;97%
Maltol
118-71-8

Maltol

salicylic acid
69-72-7

salicylic acid

3-hydroxy-2-methyl-4-pyrone/salicylic acid 1:1 cocrystals
1325228-62-3

3-hydroxy-2-methyl-4-pyrone/salicylic acid 1:1 cocrystals

Conditions
ConditionsYield
In methanol at 64℃; for 1h;97%
Maltol
118-71-8

Maltol

4-methoxy-phenyl-sulphonyl chloride
98-68-0

4-methoxy-phenyl-sulphonyl chloride

C13H12O6S

C13H12O6S

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 0.166667h;97%
Maltol
118-71-8

Maltol

oxotribromobis(triphenylphosphine)rhenium(V)
18703-07-6, 74741-94-9, 162117-95-5

oxotribromobis(triphenylphosphine)rhenium(V)

[ReOBr2(3-hydroxy-2-methyl-4H-pyran-4-one(1-))(PPh3)]

[ReOBr2(3-hydroxy-2-methyl-4H-pyran-4-one(1-))(PPh3)]

Conditions
ConditionsYield
In dichloromethane suspn. Ru colmplex and maltol in CH2Cl2 was refluxed for 4 h; soln. was kept at -15°C for 7 days, ppt. was filtered off, washedwith n-hexane and dried in vacuo; elem. anal.;96%
Maltol
118-71-8

Maltol

malic acid
617-48-1

malic acid

3-hydroxy-2-methyl-4-pyrone/malic acid 1:1 cocrystals

3-hydroxy-2-methyl-4-pyrone/malic acid 1:1 cocrystals

Conditions
ConditionsYield
In methanol at 64℃; for 1h;96%
Maltol
118-71-8

Maltol

benzenesulfonic acid
98-11-3

benzenesulfonic acid

3,4-dihydroxy-2-methylpyrylium benzenesulfonate

3,4-dihydroxy-2-methylpyrylium benzenesulfonate

Conditions
ConditionsYield
In methanol for 1h; Reflux;96%
Maltol
118-71-8

Maltol

3-hydroxy-2-methylpyrid-4-one
17184-19-9

3-hydroxy-2-methylpyrid-4-one

Conditions
ConditionsYield
Stage #1: Maltol With ammonium hydroxide at 40℃; for 2h;
Stage #2: With ammonium carbonate at 40℃; for 10h; Reagent/catalyst; Temperature; Reflux;
95.7%
With ammonia In water for 10h; Reflux;85%
With ammonia In water for 10h; Reflux;79%
Maltol
118-71-8

Maltol

3-O-benzylmaltol
61049-69-2

3-O-benzylmaltol

Conditions
ConditionsYield
by a literature procedure;95%
Maltol
118-71-8

Maltol

ferric trimaltol

ferric trimaltol

Conditions
ConditionsYield
Stage #1: Maltol With sodium hydroxide In water pH=11.6 - 13.5;
Stage #2: With iron(III) chloride In water pH=7.1; Product distribution / selectivity;
95%
With ferric citrate; sodium carbonate In water at 20℃; pH=~ 9 - 11.6; Product distribution / selectivity;
With iron(II) gluconate; potassium hydroxide In water at 20℃; pH=~ 9 - 11.6; Product distribution / selectivity; Heating / reflux;
With sodium hydroxide; sodium iron(II) citrate In water Product distribution / selectivity;
With sodium hydroxide; sodium ferric citrate In water at 20℃; pH=~ 9 - 11.6; Product distribution / selectivity;
Maltol
118-71-8

Maltol

bis(3-hydroxy-2-methyl-4-pyronato)tin(II)
130294-04-1

bis(3-hydroxy-2-methyl-4-pyronato)tin(II)

Conditions
ConditionsYield
In toluene; acetonitrile Electrolysis; electrochemical oxidation of Sn (anode metal) in a CH3CN:toluene (1:1) soln. containing Et4NClO4 of 3-hydroxy-2-methyl-4-pyrone over a period of 1-2 h under N2; filtn., reducing of volume of soln., cooling, drying in vac., washing of yellow solid (EtOH), elem. anal.;95%
Maltol
118-71-8

Maltol

LACTIC ACID
849585-22-4

LACTIC ACID

3-hydroxy-2-methyl-4-pyrone/lactic acid 1:1 cocrystals
1325228-66-7

3-hydroxy-2-methyl-4-pyrone/lactic acid 1:1 cocrystals

Conditions
ConditionsYield
In methanol at 64℃; for 1h;95%
Maltol
118-71-8

Maltol

methyl trifluoromethanesulfonate
333-27-7

methyl trifluoromethanesulfonate

3-hydroxy-4-methoxy-2-methylpyrylium trifluoromethanesulfonate

3-hydroxy-4-methoxy-2-methylpyrylium trifluoromethanesulfonate

Conditions
ConditionsYield
In dichloromethane for 4h; Reflux; Inert atmosphere;95%
In dichloromethane for 4h; Reflux;54%
Maltol
118-71-8

Maltol

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

3-Methoxymethoxy-2-methyl-pyran-4-one
181647-78-9

3-Methoxymethoxy-2-methyl-pyran-4-one

Conditions
ConditionsYield
With diisopropylamine Ambient temperature;94%
Maltol
118-71-8

Maltol

5-(chloromethyl)-1,2,3-trimethoxybenzene
3840-30-0

5-(chloromethyl)-1,2,3-trimethoxybenzene

2-methyl-3-(3,4,5-trimethoxy-benzyloxy)-pyran-4-one

2-methyl-3-(3,4,5-trimethoxy-benzyloxy)-pyran-4-one

Conditions
ConditionsYield
tetra(n-butyl)ammonium hydroxide In dichloromethane; water Etherification; Heating;94%
Stage #1: Maltol With tetra(n-butyl)ammonium hydroxide In water at 20℃; for 1h;
Stage #2: 5-(chloromethyl)-1,2,3-trimethoxybenzene In dichloromethane for 24h; Heating;
Maltol
118-71-8

Maltol

methanesulfonic acid
75-75-2

methanesulfonic acid

3,4-dihydroxy-2-methylpyrylium methanesulfonate

3,4-dihydroxy-2-methylpyrylium methanesulfonate

Conditions
ConditionsYield
In methanol for 1h; Reflux;94%
Maltol
118-71-8

Maltol

glycolic Acid
79-14-1

glycolic Acid

3-hydroxy-2-methyl-4-pyrone/glycolic acid 1:1 cocrystals

3-hydroxy-2-methyl-4-pyrone/glycolic acid 1:1 cocrystals

Conditions
ConditionsYield
In methanol at 64℃; for 1h;93%
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