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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

Ethyl maltol Manufacturer/High quality/Best price/In stock

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White power,needle or granular crystals Complies Smell

High purity Ethyl-maltol with high quality and best price cas:4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $20.0 / 50.0

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 Ethyl Maltol supplier in China

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Kono Chem Co.,Ltd

Ethyl Maltol Cas# 4940-11-8 HALAL.Kosher,Iso,Haccp Ethyl Maltol:White Crystalline Powder, Packing: 25kg/drum 12MT/20'FCL USP30/BP/FCC IV/EU Ethyl maltol is an organic compound that is a common flavourant in some confectioneries.

CAS:4940-11-8 Ethyl maltol

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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Wuhan Fortuna Chemical Co.,Ltd

Ethyl maltol CAS 4940-11-8 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distributing

Ethyl maltol CAS 4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Trading Company

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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

2-Ethyl-3-hydroxy-4-pyrone Ethyl maltol Cas 4940-11-8

Cas:4940-11-8

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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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 Ethyl Maltol

Cas:4940-11-8

Min.Order:1

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Type:Other

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Jinan Finer Chemical Co., Ltd

Product description: Product name Ethyl maltol CAS number 4940-11-8 Assay ≥99% Appearance White crystalline powder Capacity 500mt/year Application Daily Flavor, Food Flavor

Ethyl maltol

Cas:4940-11-8

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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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 Food Grade Ethyl Maltol HACCP Manufacturer

Cas:4940-11-8

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 Ethyl maltoll

Cas:4940-11-8

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 4940-11-8 Food Grade Flavor Enhancer Ethyl Maltol Powder

Cas:4940-11-8

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

Ethyl Maltol

Cas:4940-11-8

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

Ethyl maltol

Cas:4940-11-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:ethylmaltol CAS:4940-11-8 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Pr

High purity Ethyl-maltol with high quality and best price cas:4940-11-8

Cas:4940-11-8

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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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 manufactu

Ethyl Maltol CAS. No. 4940-11-8 E637 Vanillin

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 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 4940-11-8 with best quality

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen

2-Ethyl-3-hydroxy-4H-pyran-4-one CAS NO.4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $2.0 / 6.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Chemical Name:Ethyl maltol CAS No.: 4940-11-8 Molecular Fomula: C7H8O3 Molecular weight:140.14 Appearance: White powder Assay:99.0 % min Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kg per

Ethyl maltol

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $1.0

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

Ethyl maltol 4940-11-8CAS NO.: 4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu

Best Quality Supplement Natural Ethyl Maltol CAS 4940-11-8

Cas:4940-11-8

Min.Order:10 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

Ethyl maltol 4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Shanghai Minstar Chemical Co., Ltd

Product Name: Ethyl maltol CAS: 4940-11-8 MF: C7H8O3 MW: 140.14 EINECS: 225-582-5 Mol File: 4940-11-8.mol Ethyl maltol Structure Ethyl maltol Chemical Properties Melting point 85-95 °C (lit.) Boiling point 196.62°C

Ethyl maltol

Cas:4940-11-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Ethyl maltol CAS:4940-11-8 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 organic intermediates

Ethyl maltol CAS:4940-11-8

Cas:4940-11-8

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

2-ethyl-3-hydroxy-4h-pyran-4-on

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Ethylmaltol CAS NO. 4940-11-8 CAS NO.4940-11-8

Cas:4940-11-8

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

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Lonwin Chemical Group Limited

Ethyl maltol CAS: 4940-11-8 Specification Item Specification Appearance White Crystalline Powder Assay ≥99% Density 1.1624 (rough estimate) Melting point 85-95 °C (lit.) Wel

Factory supply Ethyl maltol

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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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;

Food Flavour Enhancer Bulk Powder Ethyl Maltol CAS 4940-11-8

Cas:4940-11-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory sales Ethyl maltol CAS 4940-11-8

Cas:4940-11-8

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

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 have s

2-Ethyl pyromeconic acid

Cas:4940-11-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Synthetic route

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Conditions
ConditionsYield
With chlorine In methanol; water 1.) -5 deg C; 2.) 90-95 deg C, 3.5 h;67%
With chlorine In methanol; water at 90 - 95℃; for 3.5h; Rearrangement;67%
Stage #1: ethylfurfuryl alcohol With oxygen In methanol at 93℃; Molecular sieve;
Stage #2: With oxygen In methanol at 20℃; for 2h;
Stage #3: With hydrogenchloride In water at 100℃; for 2h; pH=2.5 - 3; Solvent; Temperature;
66.8%
With tert-butylhypochlorite In acetic acid65%
hydroxyethyl maltol

hydroxyethyl maltol

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Conditions
ConditionsYield
With hydrogenchloride; zinc In ethanol at 55℃; for 3h; Temperature;
3-hydroxy-2-ethyl-4H-thiopyran-4-thione

3-hydroxy-2-ethyl-4H-thiopyran-4-thione

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Conditions
ConditionsYield
With Lawessons reagent In 1,4-dioxane for 1h; Heating;
furfural
98-01-1

furfural

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: hydrogen / water / 8 h / 90 °C / 15001.5 Torr
2: chlorine / water; methanol / -5 - 60 °C
3: sodium hydroxide / 3 h / 55 °C
4: zinc; hydrogenchloride / ethanol / 3 h / 55 °C
View Scheme
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: chlorine / water; methanol / -5 - 60 °C
2: sodium hydroxide / 3 h / 55 °C
3: zinc; hydrogenchloride / ethanol / 3 h / 55 °C
View Scheme
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

benzyl bromide
100-39-0

benzyl bromide

3-(benzyloxy)-2-ethyl-4H-pyran-4-one
111782-87-7

3-(benzyloxy)-2-ethyl-4H-pyran-4-one

Conditions
ConditionsYield
In acetone for 6h; Reflux;98%
Stage #1: 2-ethyl-3-hydroxy-4-pyranone With sodium hydroxide In methanol Heating;
Stage #2: benzyl bromide In methanol for 6h; Heating; Further stages.;
85%
With sodium hydroxide In ethanol Heating;80%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

benzenesulfonic acid
98-11-3

benzenesulfonic acid

3,4-dihydroxy-2-ethylpyrylium benzenesulfonate

3,4-dihydroxy-2-ethylpyrylium benzenesulfonate

Conditions
ConditionsYield
In methanol for 1h; Reflux;98%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

salicylic acid
69-72-7

salicylic acid

2-ethyl-3-hydroxy-4-pyrone/salicylic acid 1:1 cocrystals
1325228-63-4

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

Conditions
ConditionsYield
In methanol at 64℃; for 1h;98%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

methyl iodide
74-88-4

methyl iodide

2-ethyl-3-methoxy-4Hpyran-4-one
50741-69-0

2-ethyl-3-methoxy-4Hpyran-4-one

Conditions
ConditionsYield
With potassium carbonate In acetone for 4h; Inert atmosphere; Reflux;97%
With potassium carbonate In acetone at 25℃; for 4h;93%
With potassium carbonate In acetone for 8h; Reflux;
dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

sodium methylate
124-41-4

sodium methylate

Rh(C5(CH3)5)Cl(C5H2O3C2H5)
173413-66-6

Rh(C5(CH3)5)Cl(C5H2O3C2H5)

Conditions
ConditionsYield
In methanol byproducts: NaCl; N2-atmosphere; stoich. amts., refluxing for 3 h; solvent removal, extn. into CH2Cl2, filtration (Celite), evapn., recrystn. (CH2Cl2/light petroleum);96%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

titanium tetrachloride
7550-45-0

titanium tetrachloride

bis-ethylmaltoldichloro-titanium(IV)

bis-ethylmaltoldichloro-titanium(IV)

Conditions
ConditionsYield
In tetrahydrofuran ethylmaltol stirred with anhyd. THF at room temp., TiCl4 added dropwise to soln., stirred at room. temp for 30 min; filtered, washed with Et2O, recrystd. from CH2Cl2-petroleum ether (1:1);95%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

{(η6-1,3,5-Me3C6H3)RuCl2}2

{(η6-1,3,5-Me3C6H3)RuCl2}2

sodium methylate
124-41-4

sodium methylate

(C6(CH3)3H3)RuCl(OOC5H2C2H5O)
151781-33-8

(C6(CH3)3H3)RuCl(OOC5H2C2H5O)

Conditions
ConditionsYield
In methanol; water byproducts: NaCl; Sodium methoxide and ethylmaltol are added to a suspn. of the Ru-compd. in CH3OH/H2O and the mixt. is refluxed for 2 h.; The solvent is removed. The residue is dissolved in CH2Cl2. After filtn. the solvent is evaporated, recrystn. from CH2Cl2/diethylether, elem. anal.;80%
zinc(II) sulfate heptahydrate

zinc(II) sulfate heptahydrate

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

C14H14O6Zn
98445-51-3

C14H14O6Zn

Conditions
ConditionsYield
Stage #1: 2-ethyl-3-hydroxy-4-pyranone With lithium hydroxide monohydrate In water at 20℃; for 0.5h;
Stage #2: zinc(II) sulfate heptahydrate In water at 20℃; for 5h;
77%
vanadyl sulfate trihydrate

vanadyl sulfate trihydrate

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

bis(ethylmaltolato)(ethylmaltol)oxovanadium(IV) monohydrate

bis(ethylmaltolato)(ethylmaltol)oxovanadium(IV) monohydrate

Conditions
ConditionsYield
In water VOSO4*3H2O and ethylmaltol (molar ratio 1:2) suspended in water at 45°C; pptd. over 15-20 min; cooled to room temp.; filtered; ppt. air dried; elem. anal.;72%
oxovanadium(IV) sulfate

oxovanadium(IV) sulfate

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

salicylaldehyde
90-02-8

salicylaldehyde

anthranilic acid hydrazide
1904-58-1

anthranilic acid hydrazide

C21H18N3O6V

C21H18N3O6V

Conditions
ConditionsYield
Stage #1: salicylaldehyde; anthranilic acid hydrazide In methanol for 0.5h;
Stage #2: oxovanadium(IV) sulfate; 2-ethyl-3-hydroxy-4-pyranone In methanol for 0.5h;
72%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

4-tert-Butylaniline
769-92-6

4-tert-Butylaniline

1-(4-(tert-butyl)phenyl)-2-ethyl-3-hydroxypyridin-4(1H)-one

1-(4-(tert-butyl)phenyl)-2-ethyl-3-hydroxypyridin-4(1H)-one

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 160℃; for 12h; pH=5; Autoclave;70%
lanthanum(III) nitrate hexahydrate

lanthanum(III) nitrate hexahydrate

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

La(ethylmaltol(1-))3
960499-98-3

La(ethylmaltol(1-))3

Conditions
ConditionsYield
With triethylamine In ethanol Ln(NO3)*6H2O was added to soln. ligand in EtOH and heated until ligand completely dissolved, Et3N was added and stirred for 18-24 h; ppt. was filtered, washed with cold water and cold MeOH and dried in vacuo; elem. anal.;68%
bis(acetylacetonate)oxovanadium
3153-26-2

bis(acetylacetonate)oxovanadium

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

2-chloro-N′-(3-ethoxy-2-hydroxybenzylidene)benzohydrazide

2-chloro-N′-(3-ethoxy-2-hydroxybenzylidene)benzohydrazide

C23H20ClN2O7V

C23H20ClN2O7V

Conditions
ConditionsYield
Stage #1: bis(acetylacetonate)oxovanadium; 2-ethyl-3-hydroxy-4-pyranone; 2-chloro-N′-(3-ethoxy-2-hydroxybenzylidene)benzohydrazide In methanol at 20℃; for 0.5h;
Stage #2: With air In methanol
68%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

Sn(ethylmaltol)2
361148-46-1

Sn(ethylmaltol)2

Conditions
ConditionsYield
In toluene a soln. of hydroxyketone in toluene was added a stirred soln. of Sn-compound in toluene under N2, the soln. was stirred for 2 h then left at room temp.; elem. anal.;66%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

2-ethyl-3-hydroxy-5-bromo-4H-pyran-4-one
95790-62-8

2-ethyl-3-hydroxy-5-bromo-4H-pyran-4-one

Conditions
ConditionsYield
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 95℃; for 18h; Inert atmosphere;66%
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 95℃; Inert atmosphere; Schlenk technique;32%
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 95℃; for 18h; Inert atmosphere; Schlenk technique;
oxovanadium(IV) sulfate

oxovanadium(IV) sulfate

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

2-hydroxy-3-bromobenzaldehyde
1829-34-1

2-hydroxy-3-bromobenzaldehyde

3-hydroxybenzoic hydrazide
5818-06-4

3-hydroxybenzoic hydrazide

C21H16BrN2O7V

C21H16BrN2O7V

Conditions
ConditionsYield
Stage #1: 2-hydroxy-3-bromobenzaldehyde; 3-hydroxybenzoic hydrazide In methanol for 0.5h;
Stage #2: oxovanadium(IV) sulfate; 2-ethyl-3-hydroxy-4-pyranone In methanol for 0.5h;
65%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

europium(III) nitrate hexahydrate

europium(III) nitrate hexahydrate

Eu(ethylmaltol(1-))3*2.5H2O

Eu(ethylmaltol(1-))3*2.5H2O

Conditions
ConditionsYield
With triethylamine In ethanol Ln(NO3)*6H2O was added to soln. ligand in EtOH and heated until ligand completely dissolved, Et3N was added and stirred for 18-24 h; ppt. was filtered, washed with cold water and cold MeOH and dried in vacuo; elem. anal.;64%
2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

benzyl chloride
100-44-7

benzyl chloride

ethanolamine
141-43-5

ethanolamine

3-Benzyloxy-1,2-diethyl-1H-pyridin-4-one

3-Benzyloxy-1,2-diethyl-1H-pyridin-4-one

Conditions
ConditionsYield
Stage #1: 2-ethyl-3-hydroxy-4-pyranone; benzyl chloride With sodium hydroxide In methanol; ethanol; water
Stage #2: ethanolamine With sodium hydroxide In methanol; ethanol; water
63%
Stage #1: 2-ethyl-3-hydroxy-4-pyranone; benzyl chloride With sodium hydroxide In methanol; water
Stage #2: ethanolamine With sodium hydroxide In ethanol; water
63%
bis(acetylacetonate)oxovanadium
3153-26-2

bis(acetylacetonate)oxovanadium

2-ethyl-3-hydroxy-4-pyranone
4940-11-8

2-ethyl-3-hydroxy-4-pyranone

N′-(3-ethoxy-2-hydroxybenzylidene)pivalohydrazide

N′-(3-ethoxy-2-hydroxybenzylidene)pivalohydrazide

C21H25N2O7V

C21H25N2O7V

Conditions
ConditionsYield
In methanol at 20℃; for 0.5h;62%

Raw Materials

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