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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 Content Natural Extract Daphnetin HACCP manufacturer

Cas:486-35-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

7,8-Dihydroxycoumarin Manufacturer/High quality/Best price/In stock

Cas:486-35-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Daphnetin

Cas:486-35-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Density: 1.3431 (rough estimate) Melting point: 265-268 ° C (dec.) Boiling point: 270.35 ° C (rough estimate) Flash point: 184.5 ° C Steam pressure: 5.18E-08mmHg at 25 ° C Solubility in Methanol Refractive index: 1.4500 (estimate) Aci

7,8-Dihydroxycoumarin 486-35-1

Cas:486-35-1

Min.Order:5 Kilogram

FOB Price: $20.0 / 80.0

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

7,8-Dihydroxycoumarin 486-35-1

Cas:486-35-1

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

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 486-35-1 with competitive price

Cas:486-35-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply 7,8-Dihydroxycoumarin CAS 486-35-1

Cas:486-35-1

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Daphnetin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

Daphnetin 486-35-1

Cas:486-35-1

Min.Order:0 Metric Ton

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

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality Appearance:powder 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 as Pharmaceutical Intermediates Transportation:as per your

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

7,8-DihydroxycoumarinAppearance:powder Storage:Store in dry, dark and ventilated place Package:according to customers' requirements Application:486-35-1 Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF ect...)or ac

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

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 intermediates (Flu

486-35-1CAS NO.: 486-35-1

Cas:486-35-1

Min.Order:1 Gram

FOB Price: $9.0 / 10.0

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,

Daphnetin;7,8-dihydroxy-2H-1-benzopyran-2-one

Cas:486-35-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

7,8-Dihydroxycoumarin

Cas:486-35-1

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

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

7,8-Dihydroxychromen-2-one

Cas:486-35-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me

E-0629 Daphnetin

Cas:486-35-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

7,8-dihydroxy-2h-benzopyran-2-one

Cas:486-35-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:Foil bag or drum Application:Applied in dietary supplements,pharmaceutical or cosmeticeuticals Transportation:by sea or air Port:Beijing or Guangzhou Port

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Other

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

486-35-1

Cas:486-35-1

Min.Order:0

Negotiable

Type:Other

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

Daphnetin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr

Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

7,8-Dihydroxycoumarin

Cas:486-35-1

Min.Order:0

Negotiable

Type:Trading Company

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 Daphnetin 20mg

Cas:486-35-1

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

Propiolic acid
471-25-0

Propiolic acid

2-hydroxyresorcinol
87-66-1

2-hydroxyresorcinol

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With ytterbium(III) trifluoromethanesulfonate hydrate at 80℃; for 0.0333333h; Reagent/catalyst; Microwave irradiation;98%
With sulfuric acid at 120℃; for 1h;70%
With sulfuric acid at 120℃; for 0.5h;59%
With sulfuric acid at 124 - 126℃; for 0.833333h;53.4%
With sulfuric acid at 125℃; for 0.833333h;
7,8-dibenzyloxycoumarin
104819-86-5

7,8-dibenzyloxycoumarin

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With aluminum tri-bromide In nitrobenzene for 0.0833333h;80%
malic acid
617-48-1

malic acid

2-hydroxyresorcinol
87-66-1

2-hydroxyresorcinol

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With sulfuric acid65%
With sulfuric acid at 120 - 130℃; for 1h;61%
Stage #1: malic acid With sulfuric acid at 20℃; for 0.166667h;
Stage #2: 2-hydroxyresorcinol at 20 - 120℃; for 2h;
40%
2,3,4-trihydroxybenzylaldehyde
2144-08-3

2,3,4-trihydroxybenzylaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
for 0.25h; Inert atmosphere; Reflux;65%
for 4h; Reflux; Inert atmosphere;65%
7-hydroxy-2H-chromen-2-one
93-35-6

7-hydroxy-2H-chromen-2-one

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With 2-iodoxybenzoic acid In dimethyl sulfoxide at 25℃; for 2h; Time; regioselective reaction;59%
maleic acid
110-16-7

maleic acid

2-hydroxyresorcinol
87-66-1

2-hydroxyresorcinol

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With sulfuric acid20%
8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With pyridine; sodium hydroxide; dihydrogen peroxide
7,8-Dihydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid
19484-74-3

7,8-Dihydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With sodium hydrogensulfite anschliessend mit Schwefelsaeure erhitzen;
7,8-dimethoxy-chromen-2-one
2445-80-9

7,8-dimethoxy-chromen-2-one

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogen iodide In acetic acid for 2h; Heating;20 mg
daphnin
486-55-5

daphnin

A

D-Glucose
2280-44-6

D-Glucose

B

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogenchloride
7-hydroxy-2-oxo-2H-chromen-8-yl β-D-glucopyranoside
20853-56-9, 22059-09-2

7-hydroxy-2-oxo-2H-chromen-8-yl β-D-glucopyranoside

A

D-Glucose
2280-44-6

D-Glucose

B

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogenchloride
pyridine
110-86-1

pyridine

8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

1-methyl-4-nitrosobenzene
623-11-0

1-methyl-4-nitrosobenzene

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

daphnetin
486-35-1

daphnetin

daphnine

daphnine

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With mineral acid
With emulsin
acetic anhydride
108-24-7

acetic anhydride

pyrogallolaldehyde

pyrogallolaldehyde

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With sodium acetate at 170 - 180℃; Erwaermen des erhaltenen Daphnetin-diacetats mit Schwefelsaeure;
With sodium acetate
2-<3,4-Dihydroxy-phenyl>-chromen-7-on, Anhydro-7,3',4'-trihydroxy-flaven-(4 oder 2)-ol
92439-17-3

2-<3,4-Dihydroxy-phenyl>-chromen-7-on, Anhydro-7,3',4'-trihydroxy-flaven-(4 oder 2)-ol

A

7-hydroxy-2H-chromen-2-one
93-35-6

7-hydroxy-2H-chromen-2-one

B

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl In methanol; phosphate buffer at 25℃; for 0.0138889h; pH=7.4; Kinetics; Further Variations:; Reagents; reaction time; Oxidation;
7-O-(6'-acetoxy-β-D-glucopyranosyl)-8-hydroxycoumarin

7-O-(6'-acetoxy-β-D-glucopyranosyl)-8-hydroxycoumarin

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogenchloride In water for 1h; Heating;
7-O-[6'-O-(3'',4''-dihydroxycinnamoyl)-β-D-glucopyranosyl]-8-hydroxycoumarin

7-O-[6'-O-(3'',4''-dihydroxycinnamoyl)-β-D-glucopyranosyl]-8-hydroxycoumarin

A

caffeic acid
331-39-5

caffeic acid

B

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogenchloride In water for 1h; Heating;
7-hydroxyl-8-O-[α-D-glucopyranosyl]-2H-benzopyran-2-one

7-hydroxyl-8-O-[α-D-glucopyranosyl]-2H-benzopyran-2-one

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With hydrogenchloride; water for 3h; Heating;
8-hydroxy-7-methoxy-2H-chromen-2-one
19492-03-6

8-hydroxy-7-methoxy-2H-chromen-2-one

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
2: 20 mg / HI / acetic acid / 2 h / Heating
View Scheme
7-methoxy-8-[(3-methyl-2-butenyl)oxy]-2H-1-benzopyran-2-one
76474-93-6

7-methoxy-8-[(3-methyl-2-butenyl)oxy]-2H-1-benzopyran-2-one

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 15 mg / 10percent aq.H2SO4 / 1 h / Heating
3: 20 mg / HI / acetic acid / 2 h / Heating
View Scheme
daphnin
486-55-5

daphnin

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
Acid hydrolysis;
7-hydroxy-2-oxo-2H-chromen-8-yl β-D-glucopyranoside
20853-56-9, 22059-09-2

7-hydroxy-2-oxo-2H-chromen-8-yl β-D-glucopyranoside

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
Acid hydrolysis;
7-O-β-D-glucopyranosyl-8-methoxybenzopyranone
31564-25-7

7-O-β-D-glucopyranosyl-8-methoxybenzopyranone

daphnetin
486-35-1

daphnetin

Conditions
ConditionsYield
With water Acidic conditions;
daphnetin
486-35-1

daphnetin

7,8-dimethoxy-chromen-2-one
2445-80-9

7,8-dimethoxy-chromen-2-one

Conditions
ConditionsYield
In methanol; diethyl ether at 20℃; for 2h;100%
pentanoic anhydride
2082-59-9

pentanoic anhydride

daphnetin
486-35-1

daphnetin

2-oxo-2H-chromene-7,8-diyl dipentanoate

2-oxo-2H-chromene-7,8-diyl dipentanoate

Conditions
ConditionsYield
With pyridine; dmap at 20℃;99%
With pyridine; dmap at 20℃;99%
1-bromomethyl-4-bromobenzene
589-15-1

1-bromomethyl-4-bromobenzene

daphnetin
486-35-1

daphnetin

C23H16Br2O4

C23H16Br2O4

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; Reflux;99%
acetic anhydride
108-24-7

acetic anhydride

daphnetin
486-35-1

daphnetin

2-oxo-2H-chromene-7,8-diyl diacetate
21784-71-4

2-oxo-2H-chromene-7,8-diyl diacetate

Conditions
ConditionsYield
With dmap In pyridine at 20℃;96.7%
With pyridine In dichloromethane92%
With pyridine; dmap at 20℃;51%
benzyl chloride
100-44-7

benzyl chloride

daphnetin
486-35-1

daphnetin

7,8-dibenzyloxycoumarin
104819-86-5

7,8-dibenzyloxycoumarin

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 13h;92%
Dichlorodiphenylmethane
2051-90-3

Dichlorodiphenylmethane

daphnetin
486-35-1

daphnetin

2,2-Diphenyl-[1,3]dioxolo[4,5-h]chromen-8-one
159979-62-1

2,2-Diphenyl-[1,3]dioxolo[4,5-h]chromen-8-one

Conditions
ConditionsYield
at 160℃; for 0.166667h;88.2%
propionic acid anhydride
123-62-6

propionic acid anhydride

daphnetin
486-35-1

daphnetin

2-oxo-2H-chromene-7,8-diyl di-propionate

2-oxo-2H-chromene-7,8-diyl di-propionate

Conditions
ConditionsYield
With pyridine; dmap at 20℃;84%
With pyridine; dmap at 20℃;84%
n-hexanoic anhydride
2051-49-2

n-hexanoic anhydride

daphnetin
486-35-1

daphnetin

2-oxo-2H-chromene-7,8-diyl dihexanoate

2-oxo-2H-chromene-7,8-diyl dihexanoate

Conditions
ConditionsYield
With pyridine; dmap at 20℃;78%
4-((tert-butyldimethylsilyl)oxy)benzoyl chloride
90446-67-6

4-((tert-butyldimethylsilyl)oxy)benzoyl chloride

daphnetin
486-35-1

daphnetin

C35H42O8Si2

C35H42O8Si2

Conditions
ConditionsYield
With dmap In dichloromethane at 0 - 30℃; for 18h;78%
2-bromoanthracene
7321-27-9

2-bromoanthracene

daphnetin
486-35-1

daphnetin

C23H14O4

C23H14O4

Conditions
ConditionsYield
With cesium bicarbonate In toluene at 40℃; for 30h; Inert atmosphere; Irradiation;77%
2-Methoxybenzoyl chloride
21615-34-9

2-Methoxybenzoyl chloride

daphnetin
486-35-1

daphnetin

C25H18O8

C25H18O8

Conditions
ConditionsYield
With dmap In acetonitrile at 0 - 30℃; for 18h;77%
m-anisoyl chloride
1711-05-3

m-anisoyl chloride

daphnetin
486-35-1

daphnetin

C25H18O8

C25H18O8

Conditions
ConditionsYield
With dmap In acetonitrile at 0 - 30℃; for 18h;75%
4-methoxy-benzoyl chloride
100-07-2

4-methoxy-benzoyl chloride

daphnetin
486-35-1

daphnetin

C25H18O8

C25H18O8

Conditions
ConditionsYield
With dmap In acetonitrile at 0 - 30℃; for 18h;74%
3,5-bis(tert-butyldimethylsilyl)oxybenzoyl chloride
340127-55-1

3,5-bis(tert-butyldimethylsilyl)oxybenzoyl chloride

daphnetin
486-35-1

daphnetin

C47H70O10Si4

C47H70O10Si4

Conditions
ConditionsYield
With dmap In dichloromethane at 0 - 30℃; for 18h;73%
prenyl bromide
870-63-3

prenyl bromide

daphnetin
486-35-1

daphnetin

8-Hydroxy-7-isopentenyloxycoumarin
81263-59-4

8-Hydroxy-7-isopentenyloxycoumarin

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetone65%
With sodium hydrogencarbonate 1.) Me2CO, RT, 1 h, 2.) reflux, 24 h; Yield given. Multistep reaction;
trans-geranyl bromide
6138-90-5

trans-geranyl bromide

daphnetin
486-35-1

daphnetin

7-geranyloxy-8-hydroxycoumarin
562818-09-1

7-geranyloxy-8-hydroxycoumarin

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetone at 20℃; for 3h;65%
1-chloromethyl-2-methylbenzene
552-45-4

1-chloromethyl-2-methylbenzene

daphnetin
486-35-1

daphnetin

C25H22O4

C25H22O4

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; Reflux;63%
(2E)-3,7-dimethyl-2-octen-1-ol
1461-04-7

(2E)-3,7-dimethyl-2-octen-1-ol

daphnetin
486-35-1

daphnetin

A

8-[(3,7-dimethyl-2-octenyl)oxy]-7-hydroxy-2H-1-benzopyran-2-one

8-[(3,7-dimethyl-2-octenyl)oxy]-7-hydroxy-2H-1-benzopyran-2-one

B

7-[(3,7-dimethyl-2-octenyl)oxy]-8-hydroxy-2H-1-benzopyran-2-one

7-[(3,7-dimethyl-2-octenyl)oxy]-8-hydroxy-2H-1-benzopyran-2-one

C

7,8-Bis-((E)-3,7-dimethyl-oct-2-enyloxy)-chromen-2-one

7,8-Bis-((E)-3,7-dimethyl-oct-2-enyloxy)-chromen-2-one

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 10 - 20℃; Mitsunobu reaction; sonication;A 30%
B 61%
C 4%
3-iodocarbazole
16807-13-9

3-iodocarbazole

daphnetin
486-35-1

daphnetin

C21H13NO4

C21H13NO4

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydroxide In toluene at 50℃; for 36h; Inert atmosphere; Irradiation;60%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

daphnetin
486-35-1

daphnetin

2-oxo-2H-chromene-7,8-diyl dibutyrate

2-oxo-2H-chromene-7,8-diyl dibutyrate

Conditions
ConditionsYield
With pyridine; dmap at 20℃;58%
With pyridine; dmap at 20℃;58%
4-Methylbenzyl bromide
104-81-4

4-Methylbenzyl bromide

daphnetin
486-35-1

daphnetin

7,8-bis((4-methylbenzyl)oxy)-2H-chromen-2-one

7,8-bis((4-methylbenzyl)oxy)-2H-chromen-2-one

Conditions
ConditionsYield
Stage #1: daphnetin With potassium carbonate In acetone at 20℃; for 0.5h;
Stage #2: 4-Methylbenzyl bromide In acetone at 65℃;
58%
1-chloromethyl-3-methyl-benzene
620-19-9

1-chloromethyl-3-methyl-benzene

daphnetin
486-35-1

daphnetin

7,8-bis((4-methylbenzyl)oxy)-2H-chromen-2-one

7,8-bis((4-methylbenzyl)oxy)-2H-chromen-2-one

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; Reflux;58%
methanol
67-56-1

methanol

Farnesol
106-28-5

Farnesol

daphnetin
486-35-1

daphnetin

A

8-hydroxy-7-methoxy-2H-chromen-2-one
19492-03-6

8-hydroxy-7-methoxy-2H-chromen-2-one

B

7,8-dimethoxy-chromen-2-one
2445-80-9

7,8-dimethoxy-chromen-2-one

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 10 - 20℃; Mitsunobu reaction; sonication;A 52%
B 10%
ethylene dibromide
106-93-4

ethylene dibromide

daphnetin
486-35-1

daphnetin

7,8-(2',3'-dihydro-1',4'-dioxino)coumarin
53324-43-9

7,8-(2',3'-dihydro-1',4'-dioxino)coumarin

Conditions
ConditionsYield
With potassium hydroxide In water Heating;47%
daphnetin
486-35-1

daphnetin

(2R,3R)-2-(4-Hydroxy-3-methoxy-phenyl)-3-hydroxymethyl-2,3-dihydro-1,4,5-trioxa-phenanthren-6-one

(2R,3R)-2-(4-Hydroxy-3-methoxy-phenyl)-3-hydroxymethyl-2,3-dihydro-1,4,5-trioxa-phenanthren-6-one

Conditions
ConditionsYield
With Na,K-phosphate buffer; horseradish peroxidase at 37℃; for 168h;43.1%

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