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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

8-Acetyl dimethoxycoumarin

Cas:3949-36-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high purity Storage:cold storage Package:meet the demand of customer Application:Biomedical reagents Transportation:by sea or by air Port:Shanghai, Qingdao

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

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

High Content Natural Extract 3-Acetylcoumarin HACCP manufacturer

Cas:3949-36-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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 3949-36-8 with competitive price

Cas:3949-36-8

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

2H-1-Benzopyran-2-one,3-acetyl-

Cas:3949-36-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

8-ACETYL DIMETHOXYCOUMARIN CAS:3949-36-8 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

8-ACETYL DIMETHOXYCOUMARIN CAS:3949-36-8

Cas:3949-36-8

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

2H-1-Benzopyran-2-one,3-acetyl-

Cas:3949-36-8

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

CAS NO.:3949-36-8

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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 present

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:1 Gram

FOB Price: $36.0

Type:Trading Company

inquiry

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

CAS 8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:1 Kilogram

Negotiable

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

8-Acetyl dimethoxycoumarin

Cas:3949-36-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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 providing h

Factory Supply 3-Acetylcoumarin

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

2-Methyl-isoquinolinium iodide

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec 3-Acetylcoumarin 25g

Cas:3949-36-8

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

2H-1-Benzopyran-2-one,3-acetyl-

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

2H-1-Benzopyran-2-one,3-acetyl-

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

3-Acetyl-2H-chromen-2-one

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

8-ACETYL DIMETHOXYCOUMARIN CAS No.3949-36-8

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

8-Acetyl dimethoxycoumarin cas 3949-36-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

8-Acetyl dimethoxycoumarin cas 3949-36-8

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:yellow crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:100mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po

3-Acetylcoumarin

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

3949-36-8

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

8-ACETYL DIMETHOXYCOUMARIN

Cas:3949-36-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

B

ethyl 2-(2-hydroxybenzylidene)-3-oxobutanoate
62558-68-3

ethyl 2-(2-hydroxybenzylidene)-3-oxobutanoate

Conditions
ConditionsYield
With methyl aminopropyl grafted mesoporous silica SBA-15 In neat (no solvent) at 49.84℃; for 1.5h; Catalytic behavior; Reagent/catalyst; Knoevenagel Condensation;A 100%
B n/a
2-methyl-benzyl alcohol
89-95-2

2-methyl-benzyl alcohol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With piperidine at 20℃; for 0.0833333h; Knoevenagel condensation;99%
With ethylenediamine diacetic acid; 1-butyl-3-methylimidazolium Tetrafluoroborate at 20℃; Knoevenagel condensation;92%
With 2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane 2,8,9-tris(1-methylethyl) In ethanol at 60℃; for 3h;90%
O-Merrifield resin-bound 4-(2\-acetoacetylethyl)phenol

O-Merrifield resin-bound 4-(2\-acetoacetylethyl)phenol

2-methyl-benzyl alcohol
89-95-2

2-methyl-benzyl alcohol

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With piperidine In ethanol for 2h; Knoevenagel condensation; Heating;99%
Phosphoric acid dimethyl ester 1-(2-oxo-2H-chromen-3-yl)-vinyl ester
219506-41-9

Phosphoric acid dimethyl ester 1-(2-oxo-2H-chromen-3-yl)-vinyl ester

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene Heating;90%
salicylaldehyde
90-02-8

salicylaldehyde

N-phenylacetoacetamide
102-01-2

N-phenylacetoacetamide

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; tetrabutylammomium bromide In N,N-dimethyl-formamide at 20℃; for 3h;90%
salicylaldehyde
90-02-8

salicylaldehyde

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With tert.-butylhydroperoxide; diphenylether; Fe3O(biphenyl-4,4'-dicarboxylate)3 In water; N,N-dimethyl-formamide at 60℃; for 3h; Reagent/catalyst;89%
With L-lysine In water at 60℃; for 6h; Knoevenagel condensation;88%
With thiourea S,S-dioxide at 80℃; for 4h;86%
salicylaldehyde
90-02-8

salicylaldehyde

methyl(ethyl) acetoacetate

methyl(ethyl) acetoacetate

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With piperidine In neat (no solvent) at 20℃; Knoevenagel Condensation;89%
coumarin
91-64-5

coumarin

acetaldehyde
75-07-0

acetaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With dipotassium peroxodisulfate; methyl tri-n-octyl ammonium hydrogen sulfate In chlorobenzene at 100℃; for 8h; Sealed tube; regioselective reaction;88%
3-acetyl-4-chlorocoumarin

3-acetyl-4-chlorocoumarin

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate; isopropyl alcohol at 90℃; for 12h; Green chemistry; regioselective reaction;85%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

2-methyl-benzyl alcohol
89-95-2

2-methyl-benzyl alcohol

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With titanium(IV) isopropylate In dichloromethane at 25℃; Knoevenagel reaction;76%
salicylaldehyde
90-02-8

salicylaldehyde

poly(styrene-co-allyl) ethyl 3-oxobutanoate derivative

poly(styrene-co-allyl) ethyl 3-oxobutanoate derivative

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With piperidine; acetic acid In ethanol for 4h; Heating;70%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
Stage #1: 4-methyleneoxetan-2-one With titanium(IV) isopropylate In isopropyl alcohol at 0℃; for 3h; Knoevenagel condensation; Inert atmosphere;
Stage #2: salicylaldehyde In isopropyl alcohol at 22 - 25℃; Inert atmosphere;
59%
With potassium acetate
With triethylamine; toluene unter Entfernen des entstehenden Wassers;
ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

A

ethyl 2-hydroxy-2-methyl-2H-chromene-3-carboxylate

ethyl 2-hydroxy-2-methyl-2H-chromene-3-carboxylate

B

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With alkaline protease from Bacillus licheniformis 2709 In water; dimethyl sulfoxide at 55℃; for 48h; Knoevenagel/intramolecular transesterification reaction; Enzymatic reaction; chemoselective reaction;A n/a
B 58%
3-bromoacetylcoumarin
29310-88-1

3-bromoacetylcoumarin

Cu(1+)*CF3(1-)*C6H15N*3FH

Cu(1+)*CF3(1-)*C6H15N*3FH

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

B

3-(3,3,3-trifluoropropanoyl)-2H-chromen-2-one
1400907-13-2

3-(3,3,3-trifluoropropanoyl)-2H-chromen-2-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 25℃; for 0.25h; Inert atmosphere;A 5%
B 57%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-(trimethylsilyl)phenyl trifluoromethanesulfonate
88284-48-4

2-(trimethylsilyl)phenyl trifluoromethanesulfonate

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With potassium fluoride at 80℃; for 5h; Inert atmosphere;55%
acetyl chloride
75-36-5

acetyl chloride

3-<1-(Acetylhydrazono)ethyl>coumarin

3-<1-(Acetylhydrazono)ethyl>coumarin

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

B

3-(1-Triacetylhydrazinoethenyl)coumarin

3-(1-Triacetylhydrazinoethenyl)coumarin

Conditions
ConditionsYield
With N,N-dimethyl-aniline for 22h; Ambient temperature;A 53%
B 27%
3-acetyl-3,4-dihydrochromen-2-one
7391-56-2

3-acetyl-3,4-dihydrochromen-2-one

A

3,3'-diacetyl-3,3',4,4'-tetrahydro-4,4'-biscoumarin
59743-94-1

3,3'-diacetyl-3,3',4,4'-tetrahydro-4,4'-biscoumarin

B

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
In isopropyl alcohol Product distribution; Mechanism; Irradiation; air-saturated solvent; influence of other solvents of the product composition;A 50%
B 30%
In isopropyl alcohol Irradiation;A 50%
B 30%
4,4-bis(ethylsulfanyl)but-3-en-2-one
81375-98-6

4,4-bis(ethylsulfanyl)but-3-en-2-one

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With copper(ll) bromide In acetonitrile at 20℃; for 6h;50%
(3-acetyl-2-oxo-chroman-4-yl)-phosphonic acid dimethyl ester
256504-29-7

(3-acetyl-2-oxo-chroman-4-yl)-phosphonic acid dimethyl ester

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
under 8 Torr; for 30h; Elimination; Thermolysis;48%
ethyl aminocrotonate
626-34-6, 7318-00-5, 41867-20-3

ethyl aminocrotonate

salicylaldehyde
90-02-8

salicylaldehyde

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

B

7-methyl<1>benzopyrano<4,3-d><1>benzoxacino<4,3-b>pyridine-6,16-dione
77117-11-4

7-methyl<1>benzopyrano<4,3-d><1>benzoxacino<4,3-b>pyridine-6,16-dione

Conditions
ConditionsYield
acetic acid In ethanol for 6h; Heating;A 45%
B 15%
3-bromoacetylcoumarin
29310-88-1

3-bromoacetylcoumarin

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With water; triphenylantimony at 120℃; for 0.166667h; Microwave irradiation;45%
With 2-chlorothiphenol In acetone for 5h; Reagent/catalyst; Reflux; chemoselective reaction;100 %Spectr.
salicylaldehyde
90-02-8

salicylaldehyde

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

(SR)-methyl 4-((RS)-1-methoxy-1,3-dioxobutan-2-yl)-2-methyl-4H-chromene-3-carboxylate

(SR)-methyl 4-((RS)-1-methoxy-1,3-dioxobutan-2-yl)-2-methyl-4H-chromene-3-carboxylate

(SR)-methyl 4-((SR)-1-methoxy-1,3-dioxobutan-2-yl)-2-methyl-4H-chromene-3-carboxylate

(SR)-methyl 4-((SR)-1-methoxy-1,3-dioxobutan-2-yl)-2-methyl-4H-chromene-3-carboxylate

Conditions
ConditionsYield
With bovine tendon hydrolysate In neat (no solvent) at 55℃; for 72h; Reagent/catalyst; Green chemistry;A 41%
B n/a
C n/a
With bovine tendon hydrolysate In neat (no solvent) at 55℃; for 29h; Temperature; Reagent/catalyst; Green chemistry;A 23%
B 38%
C n/a
piperidine
110-89-4

piperidine

ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

acetic anhydride
108-24-7

acetic anhydride

ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

A

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

B

7-methyl<1>benzopyrano<4,3-d><1>benzoxacino<4,3-b>pyridine-6,16-dione
77117-11-4

7-methyl<1>benzopyrano<4,3-d><1>benzoxacino<4,3-b>pyridine-6,16-dione

Conditions
ConditionsYield
With ammonia; acetic acid In ethanol for 6h; Heating; Yield given;
hydroxy-2 methyl-2 carbomethoxy-3 2H-cromene
85063-47-4

hydroxy-2 methyl-2 carbomethoxy-3 2H-cromene

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With water In pyridine Heating;
perchlorate de carbomethoxy-3 methyl-2 benzopyrilium

perchlorate de carbomethoxy-3 methyl-2 benzopyrilium

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With water In pyridine for 4h; Heating; Yield given;
trisdimethylamino 2-acetyl (3H)benzo[b](1H-3-oxo-pyran-1-yl)phosphorane
256504-08-2

trisdimethylamino 2-acetyl (3H)benzo[b](1H-3-oxo-pyran-1-yl)phosphorane

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
under 5 Torr; for 0.5h; Elimination; Thermolysis;
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

benzaldehyde
100-52-7

benzaldehyde

3-cinnamoyl-2H-chromen-2-one
140399-50-4, 76011-67-1

3-cinnamoyl-2H-chromen-2-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In chloroform for 7h; Heating;97%
With piperidine at 140℃; for 0.05h; Microwave irradiation;97%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

1-(3'-coumarinyl)-3-(4''-bromophenyl)-2-propen-1-one
107126-88-5

1-(3'-coumarinyl)-3-(4''-bromophenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With ZnS/g-C3N4 nanocomposite In ethanol for 1h; Claisen-Schmidt Condensation; Reflux; Green chemistry;91%
With piperidine In ethanol Claisen-Schmidt Condensation; Reflux;75%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

1-(3'-coumarinyl)-3-(4''-dimethylaminophenyl)-2-propen-1-one
91527-77-4

1-(3'-coumarinyl)-3-(4''-dimethylaminophenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In chloroform for 7h; Heating;97%
With piperidine at 45 - 50℃; for 0.5h;91%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

1-(3'-coumarinyl)-3-(4''-chlorophenyl)-2-propen-1-one
91527-67-2

1-(3'-coumarinyl)-3-(4''-chlorophenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In ethanol for 6h; Reflux;85%
With piperidine at 140℃; for 0.025h; Microwave irradiation;77.1%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

1-(3'-coumarinyl)-3-(4"-hydroxyphenyl)-2-propen-1-one

1-(3'-coumarinyl)-3-(4"-hydroxyphenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine at 140℃; for 0.05h; Microwave irradiation;97.8%
With ZnS/g-C3N4 nanocomposite In ethanol for 1.5h; Claisen-Schmidt Condensation; Reflux; Green chemistry;88%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

1-(3'-coumarinyl)-3-(4''-nitrophenyl)-2-propen-1-one
140399-53-7, 95331-78-5

1-(3'-coumarinyl)-3-(4''-nitrophenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With ZnS/g-C3N4 nanocomposite In ethanol for 1h; Catalytic behavior; Reagent/catalyst; Solvent; Claisen-Schmidt Condensation; Reflux; Green chemistry;92%
With piperidine at 140℃; for 0.0166667h; Microwave irradiation;78.3%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

triethyl phosphite
122-52-1

triethyl phosphite

C18H27O6PSi
1206793-95-4

C18H27O6PSi

Conditions
ConditionsYield
In dichloromethane at 0℃;100%
furfural
98-01-1

furfural

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

1-(3'-coumarinyl)-3-(2''-furyl)-2-propen-1-one
120996-76-1

1-(3'-coumarinyl)-3-(2''-furyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In ethanol for 6h; Reflux;91%
With piperidine at 140℃; for 0.05h; Microwave irradiation;87.2%
p-benzyloxybenzaldehyde
4397-53-9

p-benzyloxybenzaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

C25H18O4

C25H18O4

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In ethanol for 6h; Claisen-Schmidt Condensation; Reflux;
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

3-methoxy-4-(phenylmethoxy)benzaldehyde
2426-87-1

3-methoxy-4-(phenylmethoxy)benzaldehyde

C26H20O5

C26H20O5

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In ethanol for 6h; Claisen-Schmidt Condensation; Reflux;
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

salicylaldehyde
90-02-8

salicylaldehyde

1-(3'-coumarinyl)-3-(2''-hydroxyphenyl)-2-propen-1-one
193619-94-2

1-(3'-coumarinyl)-3-(2''-hydroxyphenyl)-2-propen-1-one

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With ZnS/g-C3N4 nanocomposite In ethanol for 1.5h; Claisen-Schmidt Condensation; Reflux; Green chemistry;87%
With bismuth(lll) trifluoromethanesulfonate In dichloromethane at 50℃; Claisen-Schmidt Condensation;
With potassium hydroxide at 40℃; Claisen-Schmidt Condensation;
With piperidine In ethanol
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Thiocarbohydrazide
2231-57-4

Thiocarbohydrazide

C23H18N4O4S

C23H18N4O4S

Conditions
ConditionsYield
In ethanol; water for 6h; Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-methoxy-3-nitrobenzaldehyde
31680-08-7

4-methoxy-3-nitrobenzaldehyde

C19H13NO6

C19H13NO6

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

N-ethyl-3-carbazolealdehyde
7570-45-8

N-ethyl-3-carbazolealdehyde

C26H19NO3

C26H19NO3

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
With piperidine In ethanol for 3h; Aldol Condensation; Reflux;87%
1H-indol-2-ylcarboxaldehyde
19005-93-7

1H-indol-2-ylcarboxaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

C20H13NO3

C20H13NO3

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

5-Nitrosalicylaldehyde
97-51-8

5-Nitrosalicylaldehyde

C18H11NO6

C18H11NO6

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
isovanillin
621-59-0

isovanillin

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

C19H14O5

C19H14O5

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

2-chloro-5-nitrobenzaldehyde
6361-21-3

2-chloro-5-nitrobenzaldehyde

C18H10ClNO5

C18H10ClNO5

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

3-methoxy-2-hydroxybenzaldehyde
148-53-8

3-methoxy-2-hydroxybenzaldehyde

C19H14O5

C19H14O5

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;100%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

allyl iodid
556-56-9

allyl iodid

3-(1-hydroxy-1-methyl-but-3-enyl)-chromen-2-one

3-(1-hydroxy-1-methyl-but-3-enyl)-chromen-2-one

Conditions
ConditionsYield
With indium(III) chloride; indium In N,N-dimethyl-formamide at 20℃; for 0.5h;99%
7-bromoisatin
20780-74-9

7-bromoisatin

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

(R)-7-bromo-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one
1610544-32-5

(R)-7-bromo-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one

Conditions
ConditionsYield
Stage #1: 3-acetylcoumarin With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((1R)-(6-methoxyquinolin-4-yl)(3-vinylquinuclidin-7-yl)methyl)urea In tetrahydrofuran at 5℃; for 0.333333h; Aldol Addition;
Stage #2: 7-bromoisatin In tetrahydrofuran at 5℃; for 24h; Aldol Addition; enantioselective reaction;
99%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

5,7-Dibromoisatin
6374-91-0

5,7-Dibromoisatin

(R)-5,7-dibromo-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one
1610544-34-7

(R)-5,7-dibromo-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one

Conditions
ConditionsYield
Stage #1: 3-acetylcoumarin With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((1R)-(6-methoxyquinolin-4-yl)(3-vinylquinuclidin-7-yl)methyl)urea In tetrahydrofuran at 5℃; for 0.333333h; Aldol Addition;
Stage #2: 5,7-Dibromoisatin In tetrahydrofuran at 5℃; for 24h; Aldol Addition; enantioselective reaction;
99%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

indole-2,3-dione
91-56-5

indole-2,3-dione

(R)-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one
1610548-53-2

(R)-3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)ethyl]indolin-2-one

Conditions
ConditionsYield
Stage #1: 3-acetylcoumarin With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((1R)-(6-methoxyquinolin-4-yl)(3-vinylquinuclidin-7-yl)methyl)urea In tetrahydrofuran at 5℃; for 0.333333h; Aldol Addition;
Stage #2: indole-2,3-dione In tetrahydrofuran at 5℃; for 22h; Reagent/catalyst; Solvent; Aldol Addition; enantioselective reaction;
99%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

malononitrile
109-77-3

malononitrile

3-Fluorobenzaldehyde
456-48-4

3-Fluorobenzaldehyde

2-amino-6-(2-oxo-2H-chromen-3-yl)-4-(3-fluorophenyl)nicotinonitrile
1421234-48-1

2-amino-6-(2-oxo-2H-chromen-3-yl)-4-(3-fluorophenyl)nicotinonitrile

Conditions
ConditionsYield
With ammonium acetate In neat (no solvent) at 100℃; for 0.25h;99%
With perchloric acid adsorbed on silica gel; ammonium acetate In neat (no solvent) at 60℃; for 1.2h; Green chemistry;94%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

1-benzyl-5-chloro-1H-indole
92433-38-0

1-benzyl-5-chloro-1H-indole

3-(1,1-bis(1-benzyl-5-chloro-1H-indol-3-yl)ethyl)-2H-chromen-2-one

3-(1,1-bis(1-benzyl-5-chloro-1H-indol-3-yl)ethyl)-2H-chromen-2-one

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In acetonitrile at 35℃; for 67h; regioselective reaction;99%
1-benzyl-5-bromo-1H-indole
10075-51-1

1-benzyl-5-bromo-1H-indole

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

3-(1,1-bis(1-benzyl-5-bromo-1H-indol-3-yl)ethyl)-2H-chromen-2-one

3-(1,1-bis(1-benzyl-5-bromo-1H-indol-3-yl)ethyl)-2H-chromen-2-one

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In acetonitrile at 35℃; for 72h; regioselective reaction;99%

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