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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 stab

Aspirin/cas 50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Chemwill Asia Co., Ltd.

Name Acety

Acetylsalicylic acid BP/USP/EP/JP/ DC90/100

Cas:50-78-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

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 crystal powder / Refer to COA Storage:Sto

Acetylsalicylic acid aspirin usp ready stock BP EP 99% cas 50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

SJZ THLD IMP & EXP CO LTD

Model NO. 50-78-2 Colour Colorless Keywords Acetylsalicylic Acid CAS 50-78-2 Keywords 1 Aspirin Price Keywords 2 Aspirin Factory Keywords 3 Aspirin Supplier Stock Yes Purity 99 Sample Yes Package 25 Kgs / Drum Certification ISO

Supply high quality Acetylsalicylic acid best price

Cas:50-78-2

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

inquiry

GUANGZHOU MEDCAN PHARMATECH LTD

GUANGZHOU MEDCAN PHARMATECH LTD.is a high-tech company engaged in new biopharmaceutical product development, sales, genetic engineering, bioinformatics and other areas of research and development, registered capital of 11,110,000 RMB, the company h

Aspirin

Cas:50-78-2

Min.Order:100 Kilogram

FOB Price: $2500.0 / 3000.0

Type:Lab/Research institutions

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

Acetylsalicylic acid Manufacturer/High quality/Best price/In stock

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c

99% up GMP DMF Acetylsalicylic acid/ Aspirin 50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Cool dry place Package:1kg/foill bag;25kg/drum Application:as medicin

Acetylsalicylic acid Cas 50-78-2

Cas:50-78-2

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

China supplier Acetylsalicylic acid in stock cas:50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $9.9 / 19.9

Type:Manufacturers

inquiry

Hefei TNJ chemical industry co.,ltd

We suppply Acetylsalicylic acid 1.In very competitive price 2.Quality guaranteed 3.Fast delivery 4.Financial credit support We supply Acetylsalicylic acid 1.In very competitive price 2.Quality guaranteed 3.Fast delivery 4.Financial c

Factory Price Acetylsalicylic acid//CAS. 50-78-2

Cas:50-78-2

Min.Order:500 Kilogram

Negotiable

Type:Trading Company

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 providi

Factory Supply O-acetylsalicylic acid

Cas:50-78-2

Min.Order:1

Negotiable

Type:Other

inquiry

EAST CHEMSOURCES LIMITED

Our company may produce and pack according to customer's requirement. Appearance:White crystal or crystalline powder Storage:Seal up container in dry place. Package:25kg in fiberboard-made pail attached with paper or polyethylene bag inside. Ap

Aspirin

Cas:50-78-2

Min.Order:500 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

Factory Price API 99% Acetylsalicylic acid 50-78-2 GMP Manufacturer

Cas:50-78-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

Acetylsalicylic acid

Cas:50-78-2

Min.Order:5 Milligram

Negotiable

Type:Manufacturers

inquiry

HANGZHOU CLAKE BIOTECH CO.,LTD

1. ISO AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:WHITE POWDER Storage:in cool Package:25kg/carton Application:active pharmaceutical ingredient Transportation:as request Port:any port

Acetylsalicylic acid

Cas:50-78-2

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

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

ACETYL SALICYLIC ACID

Cas:50-78-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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 developm

50-78-2 Aspirin

Cas:50-78-2

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Hubei DiBo chemical co., LTD

Name:Acetylsalicylic acid CAS no:50-78-2 Grade:Medical, scientific research and export Molecular formula:C9H8O4 Molecular weight:180.15 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability D

Acetylsalicylic acid/cas:50-78-2/high quality/Acetylsalicylic acid material

Cas:50-78-2

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

China Supplier CAS 50-78-2 Acetylsalicylic Acid with Good Price

Cas:50-78-2

Min.Order:1 Gram

FOB Price: $12.0 / 15.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 50-78-2 with fast shipping

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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 email in t

CHemwill -- Acetyl Salicylic Acid BP/USP/EP/JP/ DC90/100Acetylsalicylic acid CAS NO.50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Items Standard Results Appearance White or almost white crystalline powder White crystalline powder

Acetylsalicylic acid

Cas:50-78-2

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystal or crystalline powder Storage:ln stock Package:25kg/Carton Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

Acetylsalicylic acid

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Pharmaceutical Grade Powder 2-Acetoxybenzoic acid CAS 50-78-2

Cas:50-78-2

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

Raw Materials Analgesic Medicine 99% Pure API Powder CAS 50-78-2 Aspirin/Acetylsalicylic Acid with Bulk Price

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

inquiry

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

Benzoicacid, 2-(acetyloxy)- 50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Methanesulfonic acid is a raw material for medicine and pesticide. It can also be used as dehydrating agent, curing accelerator for coating, treating agent for fiber, solvent, catalysis, and esterification as well as polymerization reaction. It c

Acetylsalicylic acid

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $80.0 / 100.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply Acetyl Salicylic Acid Aspirin CAS:50-78-2 Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capa

Acetyl Salicylic Acid Aspirin CAS:50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful

Factory stock, favorable price CAS 50-78-2 Acetylsalicylic acid

Cas:50-78-2

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer,carbopol,lead acetate,meglumine diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterpr

Factory Price Aspirin/Acetylsalicylic Acid CAS 50-78-2

Cas:50-78-2

Min.Order:1 Kilogram

FOB Price: $8.0 / 10.0

Type:Trading Company

inquiry

Synthetic route

acetic anhydride
108-24-7

acetic anhydride

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
In neat (no solvent) Molecular sieve; Microwave irradiation; Green chemistry;100%
With erbium(III) chloride for 0.2h; Heating;99%
With SO42-/ZrO2*graphene oxide solid super acid catalyst at 70℃; for 5h; Reagent/catalyst; Green chemistry;97.1%
methylene-benzo[1,3]dioxin-4-one
302353-24-8

methylene-benzo[1,3]dioxin-4-one

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With water at 25℃; for 1h; pH=7;100%
acetic acid
64-19-7

acetic acid

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
at 80 - 90℃;95%
With sulfuric acid at 70℃; for 5h; Reagent/catalyst;95.7%
2-thioacetoxy-benzoic acid

2-thioacetoxy-benzoic acid

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With thionyl chloride; dihydrogen peroxide In ethanol at 25℃; for 0.0166667h;95%
With chloro-trimethyl-silane; dihydrogen peroxide In ethanol; water at 25℃; for 0.0666667h; regioselective reaction;88%
With Oxone for 0.583333h;58%
acetyl chloride
75-36-5

acetyl chloride

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃;86%
With pyridine; sulfuric acid Cooling with ice;59.23%
methoxymethyl 2-acetoxybenzoate

methoxymethyl 2-acetoxybenzoate

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With bismuth(III) chloride; water In acetonitrile at 50℃; for 1h;85%
2-methylphenyl acetate
533-18-6

2-methylphenyl acetate

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With zinc(II) oxide In N,N-dimethyl-formamide for 0.15h; microwave irradiation;80%
With potassium permanganate; benzyl(triethyl)ammoniumpermanganate In acetic acid at 30℃; for 72h;24%
With 2,2'-azobis(isobutyronitrile); oxygen; 1N,3N,5N-trihydroxy-1,3,5-triazin-2,4,6[1H,3H,5H]-trione; cobalt(II) acetate; manganese(II) acetate In acetic acid at 150℃; under 760 Torr; for 14h;9%
C16H16N2O5S
85515-88-4

C16H16N2O5S

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With copper dichloride In tetrahydrofuran; water for 24h; Ambient temperature;80%
acetic anhydride
108-24-7

acetic anhydride

4'-Methoxy-flavyliumchlorid
15402-17-2

4'-Methoxy-flavyliumchlorid

A

4-methoxybenzoic acid
100-09-4

4-methoxybenzoic acid

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetic ester, water, 20 min : decomposition reaction;A 79%
B 52%
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) water, acetic ester, 20 min; Yield given. Multistep reaction. Yields of byproduct given;
O-acetylsalicylic acid acid 2-oxo-1,2,2-triphenylethyl ester
925681-78-3

O-acetylsalicylic acid acid 2-oxo-1,2,2-triphenylethyl ester

A

13-oxa-indeno[1,2-l]phenanthrene
201-68-3

13-oxa-indeno[1,2-l]phenanthrene

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With air In ethanol; acetonitrile Irradiation;A n/a
B 79%
acetic anhydride
108-24-7

acetic anhydride

salicylaldehyde
90-02-8

salicylaldehyde

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With oxygen; CoCl2 In 1,2-dichloro-ethane at 25℃; other aldehydes;71.5%
With oxygen; CoCl2 In 1,2-dichloro-ethane at 25℃;71.5%
With oxygen; cobalt(II) chloride In 1,2-dichloro-ethane at 25℃; for 20h;71%
tert-butyl acetylperoxysalicylate
52602-01-4

tert-butyl acetylperoxysalicylate

A

2-acetoxybiphenyl
3271-80-5

2-acetoxybiphenyl

B

Phenyl acetate
122-79-2

Phenyl acetate

C

salicylic acid
69-72-7

salicylic acid

D

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
In benzene at 100℃; for 48h;A 36%
B 10%
C 42%
D 12%
methyl acetylsalicylate
580-02-9

methyl acetylsalicylate

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With lithium chloride In N,N-dimethyl-formamide for 0.166667h; Microwave irradiation; chemoselective reaction;34%
Stage #1: methyl acetylsalicylate With sodium hydroxide In methanol; water for 2h; Reflux;
Stage #2: With hydrogenchloride
(Z)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene
129218-88-8

(Z)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene

A

2-methyl-3-(phenylmethyl)chromone
129218-93-5

2-methyl-3-(phenylmethyl)chromone

B

(E)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene
129218-92-4

(E)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene

C

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
In hexane for 2h; Ambient temperature; Irradiation;A 7%
B 30%
C 23%
acetic anhydride
108-24-7

acetic anhydride

salicylic acid
69-72-7

salicylic acid

benzene
71-43-2

benzene

aspirin
50-78-2

aspirin

(2-acetoxy-benzoic acid )-acetic acid-anhydride
18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

acetic acid
64-19-7

acetic acid

A

acetic anhydride
108-24-7

acetic anhydride

B

aspirin
50-78-2

aspirin

acetic acid
64-19-7

acetic acid

dibenzoyl peroxide
94-36-0

dibenzoyl peroxide

A

benzoic acid
65-85-0

benzoic acid

B

Phenyl acetate
122-79-2

Phenyl acetate

C

aspirin
50-78-2

aspirin

D

benzene
71-43-2

benzene

sodium salicylate
54-21-7

sodium salicylate

acetyl chloride
75-36-5

acetyl chloride

aspirin
50-78-2

aspirin

Ketene
463-51-4

Ketene

acetone
67-64-1

acetone

salicylic acid
69-72-7

salicylic acid

A

(2-acetoxy-benzoic acid )-acetic acid-anhydride
18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

B

aspirin
50-78-2

aspirin

Ketene
463-51-4

Ketene

diethyl ether
60-29-7

diethyl ether

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

Ketene
463-51-4

Ketene

diethyl ether
60-29-7

diethyl ether

salicylic acid
69-72-7

salicylic acid

A

(2-acetoxy-benzoic acid )-acetic acid-anhydride
18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

B

aspirin
50-78-2

aspirin

Ketene
463-51-4

Ketene

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With acetone Behandeln des Reaktionsgemisches mit Wasser;
With acetone Erwaermen des Reaktionsprodukts mit Essigsaeure;
With diethyl ether
With acetone Erwaermen des Reaktionsprodukts mit Essigsaeure;
ethylidene diacetate
542-10-9

ethylidene diacetate

salicylic acid
69-72-7

salicylic acid

aspirin
50-78-2

aspirin

1,1-diacetoxy-2-propene
869-29-4

1,1-diacetoxy-2-propene

salicylic acid
69-72-7

salicylic acid

A

2-vinyl-4H-benzo[d][1,3]dioxin-4-one

2-vinyl-4H-benzo[d][1,3]dioxin-4-one

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With sulfuric acid; acetic acid at 105℃;
dibenzoyl peroxide
94-36-0

dibenzoyl peroxide

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With acetic acid at 90℃;
2-tert-butoxy-2-methyl-4H-1,3-benzodioxin-4-one
52602-20-7

2-tert-butoxy-2-methyl-4H-1,3-benzodioxin-4-one

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With phosphate buffer In 1,4-dioxane; water at 37℃; Rate constant;
L-Cysteine
52-90-4

L-Cysteine

aspirin anhydride
1466-82-6

aspirin anhydride

A

S-(O-acetylsalicyloyl)-2-amino-3-thiopropionic acid

S-(O-acetylsalicyloyl)-2-amino-3-thiopropionic acid

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
In 1,4-dioxane; water Rate constant; sodium acetate buffer;;
N-acetylcystein
616-91-1

N-acetylcystein

aspirin anhydride
1466-82-6

aspirin anhydride

A

2-acetamido-3-(2-acetoxybenzoylthio)propionic acid

2-acetamido-3-(2-acetoxybenzoylthio)propionic acid

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
In 1,4-dioxane; water Rate constant; sodium acetate buffer;;
2-oxopropyl 2-acetoxybenzoate
50785-25-6

2-oxopropyl 2-acetoxybenzoate

A

Salicylsaeure-2-oxopropylester
2100-38-1

Salicylsaeure-2-oxopropylester

B

aspirin
50-78-2

aspirin

Conditions
ConditionsYield
With buffer pH 8.0 In acetonitrile at 37℃; Kinetics; half-life time of hydrolysis at different pH;
aspirin
50-78-2

aspirin

aspirin anhydride
1466-82-6

aspirin anhydride

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 20℃;100%
With iodine; triethylamine; triphenylphosphine In dichloromethane at 0 - 20℃;72%
With triethylamine; trichloroacetonitrile; triphenylphosphine In tetrahydrofuran at 20℃; for 2h;71%
aspirin
50-78-2

aspirin

O-acetylsalicyloyl chloride
5538-51-2

O-acetylsalicyloyl chloride

Conditions
ConditionsYield
Stage #1: aspirin With oxalyl dichloride In dichloromethane at 20℃; for 0.5h;
Stage #2: In dichloromethane; N,N-dimethyl-formamide at 20℃; for 6h;
100%
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 3h;98.5%
With 2-hydroxypyridin; thionyl chloride In chloroform at 80 - 85℃;97%
aspirin
50-78-2

aspirin

phosphorous acid trimethyl ester
121-45-9

phosphorous acid trimethyl ester

dimethyl 1-(2-acetoxyphenyl)-1-oxomethanephosphonate
62880-92-6

dimethyl 1-(2-acetoxyphenyl)-1-oxomethanephosphonate

Conditions
ConditionsYield
Stage #1: aspirin With oxalyl dichloride In dichloromethane at 20℃;
Stage #2: phosphorous acid trimethyl ester at 5 - 20℃; Further stages.;
100%
aspirin
50-78-2

aspirin

benzyl alcohol
100-51-6

benzyl alcohol

2-acetoxybenzoic acid benzyl ester
52602-17-2

2-acetoxybenzoic acid benzyl ester

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 1h; Reagent/catalyst; Solvent; Temperature; Mitsunobu Displacement; Inert atmosphere;100%
t-butyldimethylsilyl amine
41879-37-2

t-butyldimethylsilyl amine

aspirin
50-78-2

aspirin

tert-butyldimethylsilyl 2-acetoxybenzoate
129512-44-3

tert-butyldimethylsilyl 2-acetoxybenzoate

Conditions
ConditionsYield
In neat (no solvent) at 20℃; for 0.5h; Green chemistry;100%
zyprexa
132539-06-1

zyprexa

aspirin
50-78-2

aspirin

C7H6O3*C17H20N4S
929209-00-7

C7H6O3*C17H20N4S

Conditions
ConditionsYield
In methanol for 24h; Product distribution / selectivity;99%
triethanolamine
102-71-6

triethanolamine

aspirin
50-78-2

aspirin

triethanolamine salicylate
2174-16-5

triethanolamine salicylate

Conditions
ConditionsYield
With methanol for 1h; Reflux;99%
aluminum ethoxide
555-75-9

aluminum ethoxide

aspirin
50-78-2

aspirin

Al(OC2H5)(C6H4OCOCH3COO)2
198878-22-7

Al(OC2H5)(C6H4OCOCH3COO)2

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;98.5%
phenylacetylene
536-74-3

phenylacetylene

aspirin
50-78-2

aspirin

(Z)-β-Styryl acetylsalicylate

(Z)-β-Styryl acetylsalicylate

Conditions
ConditionsYield
Ru(η3-CH2=C(Me)CH2)2 In toluene at 80℃; for 20h;98%
phenylacetylene
536-74-3

phenylacetylene

aspirin
50-78-2

aspirin

1-phenylvinyl 2-acetoxybenzoate

1-phenylvinyl 2-acetoxybenzoate

Conditions
ConditionsYield
With C58H34F18O6P2Ru; silver trifluoromethanesulfonate In toluene at 70℃; for 2h; Inert atmosphere; Schlenk technique; regioselective reaction;98%
aluminum isopropoxide
555-31-7

aluminum isopropoxide

aspirin
50-78-2

aspirin

Al(OC3H7)(C6H4OCOCH3COO)2
198878-23-8

Al(OC3H7)(C6H4OCOCH3COO)2

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;97.8%
vanadocene

vanadocene

aspirin
50-78-2

aspirin

cyclopentadienylvanadium bisacetylsalicylate

cyclopentadienylvanadium bisacetylsalicylate

Conditions
ConditionsYield
In diethyl ether byproducts: C5H6, H2; (vac. or Ar); addn. of acid to V-complex in ether (20°C, 24 h); filtration, washing (ether), drying; elem. anal.;97%
3-hydroxyimino-olean-12-en-28-oic acid
49815-49-8

3-hydroxyimino-olean-12-en-28-oic acid

aspirin
50-78-2

aspirin

17,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid

17,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;96.9%
With dicyclohexyl-carbodiimide In chloroform at 0 - 20℃; for 2h;62%
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;
aluminum isopropoxide
555-31-7

aluminum isopropoxide

aspirin
50-78-2

aspirin

Al(C6H4OCOCH3COO)3
29825-08-9

Al(C6H4OCOCH3COO)3

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;96.5%
aluminum isopropoxide
555-31-7

aluminum isopropoxide

aspirin
50-78-2

aspirin

Al(OC3H7)2C6H4OCOCH3COO
198878-21-6

Al(OC3H7)2C6H4OCOCH3COO

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;96%
2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

aspirin
50-78-2

aspirin

bis(2-hydroxy-ethyl)ammonium 2-hydroxy-benzoate
109962-24-5

bis(2-hydroxy-ethyl)ammonium 2-hydroxy-benzoate

Conditions
ConditionsYield
With methanol for 1h; Reflux;96%
2-(Diethylamino)ethanol
100-37-8

2-(Diethylamino)ethanol

aspirin
50-78-2

aspirin

diethylaminoethylacetylsalicylate acetylsalicylate

diethylaminoethylacetylsalicylate acetylsalicylate

Conditions
ConditionsYield
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol at 20℃; for 3h;
96%
2-(Diethylamino)ethanol
100-37-8

2-(Diethylamino)ethanol

aspirin
50-78-2

aspirin

diethylaminoethyl acetylsalicylate acetylsalicylic acid salt

diethylaminoethyl acetylsalicylate acetylsalicylic acid salt

Conditions
ConditionsYield
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol In chloroform at 20℃; for 3h;
96%
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol In chloroform at 20℃; for 3h;
96%
ethambutol
74-55-5

ethambutol

aspirin
50-78-2

aspirin

C19H30N2O5

C19H30N2O5

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dimethyl sulfoxide at 30℃; Temperature;96%
fluoroiodomethane
373-53-5

fluoroiodomethane

aspirin
50-78-2

aspirin

fluoromethyl 2-acetoxybenzoate

fluoromethyl 2-acetoxybenzoate

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 20℃; for 6h; chemoselective reaction;96%
exo-7-chloro-endo-7-phenyl-cis-bicyclo<4.2.0>octan-8-one
103150-19-2

exo-7-chloro-endo-7-phenyl-cis-bicyclo<4.2.0>octan-8-one

aspirin
50-78-2

aspirin

exo-1-<(2-acetoxybenzoyl)oxy>-7-phenyl-cis-bicyclo<4.2.0>octane-8-one
122898-94-6

exo-1-<(2-acetoxybenzoyl)oxy>-7-phenyl-cis-bicyclo<4.2.0>octane-8-one

Conditions
ConditionsYield
With triethylamine In acetone at 20℃;95%
aspirin
50-78-2

aspirin

salicylic acid
69-72-7

salicylic acid

Conditions
ConditionsYield
With water; trifluoroacetic acid at 65℃; for 0.5h;95%
With copper dichloride In methanol; water for 1h; Heating;90%
With sodium hydroxide In 1,4-dioxane at 56.4℃; Rate constant; pH 12; reaction in the presence of aq. cetyltrimethylammonium bromide (CTBA);
2,3,4,5,6-pentafluorophenol
771-61-9

2,3,4,5,6-pentafluorophenol

aspirin
50-78-2

aspirin

2-acetoxy-benzoic acid pentafluorophenyl ester
65482-79-3

2-acetoxy-benzoic acid pentafluorophenyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 40℃; for 0.333333h; microwave irradiation;95%
With dicyclohexyl-carbodiimide In 1,4-dioxane for 4h;61%
propargyl bromide
106-96-7

propargyl bromide

aspirin
50-78-2

aspirin

Acetylsalicylic acid propargylic ester

Acetylsalicylic acid propargylic ester

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 2h;95%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;
Stage #1: aspirin With potassium carbonate In N,N-dimethyl-formamide for 0.5h;
Stage #2: propargyl bromide In N,N-dimethyl-formamide at 60℃; for 10h;
aspirin
50-78-2

aspirin

lysine Acetylsalicylate
62952-06-1

lysine Acetylsalicylate

Conditions
ConditionsYield
In ethanol; water for 0.533333h; Time;95%
In water; acetone at -15 - 15℃; for 1h; Concentration;92.4%
3-hydroxyimino-olean-12-en-28-oic acid methyl ester
35137-30-5

3-hydroxyimino-olean-12-en-28-oic acid methyl ester

aspirin
50-78-2

aspirin

13,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid methyl ester

13,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid methyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;93.9%
With dicyclohexyl-carbodiimide In chloroform at 0 - 20℃; for 2h;67%
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;
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