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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

Succindialdehyde

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

succinaldehyde CAS NO.638-37-9

Cas:638-37-9

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

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

Succinaldehyde

Cas:638-37-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

SUCCINALDEHYDE 638-37-9

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Pharmaceutical Grade CAS 638-37-9 with competitive price

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

Hot Sale 638-37-9 Best Price 638-37-9 Good Supplier In China 638-37-9

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

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

Succindialdehyde 638-37-9

Cas:638-37-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

SUCCINALDEHYDE CAS:638-37-9 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 intermediate

SUCCINALDEHYDE CAS:638-37-9

Cas:638-37-9

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

Succindialdehyde

Cas:638-37-9

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

Succindialdehyde

Cas:638-37-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

SUCCINALDEHYDE 638-37-9

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $16.0 / 20.0

Type:Lab/Research institutions

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

Succindialdehyde

Cas:638-37-9

Min.Order:0

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

High purity SUCCINALDEHYDE

Cas:638-37-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application: intermediates Transport

Succindialdehyde

Cas:638-37-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Kunsui Technology Co., Ltd.

1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m

Pharmaceutical Succinaldehyde butanedial CAS 638-37-9

Cas:638-37-9

Min.Order:1 Liter

FOB Price: $4.5 / 5.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

CAS Number: 638-37-9 Molecular formula: C4H6O2 Molecular Weight: 86.09 EINECS number: 211-333-8 Related categories: Mol file: 638-37-9.mol Butylene dialdehyde Succinic dialdehyde

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:1 Metric Ton

FOB Price: $20.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Succindialdehyde

Cas:638-37-9

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Buy Top Purity SUCCINALDEHYDE

Cas:638-37-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

SUCCINALDEHYDE

Cas:638-37-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

1,4-Butanedial

Cas:638-37-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

SUCCINALDEHYDE

Cas:638-37-9

Min.Order:1 Kilogram

Negotiable

Type:Other

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

TIANFUCHEM--High purity SUCCINALDEHYDE factory price

Cas:638-37-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

SUCCINALDEHYDE

Cas:638-37-9

Min.Order:0

Negotiable

Type:Trading Company

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

Succinaldehyde

Cas:638-37-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

SUCCINALDEHYDE

Cas:638-37-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

SUCCINALDEHYDE

Cas:638-37-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

1,5-dicyclooctadiene
5259-72-3, 10060-40-9, 111-78-4

1,5-dicyclooctadiene

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
Stage #1: cyclo-octa-1,5-diene With ozone In ethanol; dichloromethane at -78℃;
Stage #2: With triphenylphosphine In ethanol; dichloromethane at -78 - 20℃;
98%
Stage #1: cyclo-octa-1,5-diene With oxygen; ozone In dichloromethane at -78℃;
Stage #2: With triphenylphosphine In dichloromethane at -78 - 20℃;
98%
Stage #1: cyclo-octa-1,5-diene With ozone In dichloromethane at -78℃;
Stage #2: With triphenylphosphine In dichloromethane at -78 - 20℃; Inert atmosphere;
succinic acid
110-15-6

succinic acid

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;93%
phthalyl alcohol
612-14-6

phthalyl alcohol

A

2-benzofuran-1(3H)-one
87-41-2

2-benzofuran-1(3H)-one

B

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With 1-methyl-1H-imidazole; [2,2]bipyridinyl; tetrakis(acetonitrile)copper(I) trifluoromethanesulfonate; 9-azabicyclo<3.3.1>nonane-N-oxyl In acetonitrile at 22℃; for 2h;A 92%
B 8%
cyclohexane
110-82-7

cyclohexane

percarbonate de O,O-t-butyle et O-vinyle
85684-59-9

percarbonate de O,O-t-butyle et O-vinyle

A

3-oxobutyraldehyde
625-34-3

3-oxobutyraldehyde

B

butanedial
638-37-9

butanedial

C

cyclohexylcyclohexane
92-51-3

cyclohexylcyclohexane

D

cyclohexylacetaldehyde
5664-21-1

cyclohexylacetaldehyde

E

acetone
67-64-1

acetone

F

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
at 140℃; for 3.5h; Product distribution; Mechanism; sealed tube;A 7%
B 4%
C n/a
D 25%
E 5%
F 90%
Butane-1,4-diol
110-63-4

Butane-1,4-diol

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In dichloromethane; water at 0 - 10℃; for 1h;88.6%
With pivaloyl chloride; dimethyl sulfoxide; triethylamine In dichloromethane at -78 - 20℃; for 1h;86%
With oxalyl dichloride; dimethyl sulfoxide; triethylamine In dichloromethane at -10 - 0℃; for 2.5h;
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In dichloromethane at 35℃; for 0.075h; Flow reactor; chemoselective reaction;91 %Chromat.
cis,trans-2,5-dimethoxytetrahydrofuran
696-59-3

cis,trans-2,5-dimethoxytetrahydrofuran

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With hydrogenchloride; water at 20℃; for 0.25h;87%
With hydrogenchloride In water at 90℃; for 1h;77%
With hydrogenchloride; water; sodium carbonate for 10h;70%
succinaldehyde bis(dimethyl acetal)
6922-39-0

succinaldehyde bis(dimethyl acetal)

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With acetic acid In water for 1h;85%
C9H20O4

C9H20O4

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With acetic acid In water for 1h;82%
C10H20O4

C10H20O4

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With acetic acid In water for 1h;82%
Isopropylbenzene
98-82-8

Isopropylbenzene

percarbonate de O,O-t-butyle et O-vinyle
85684-59-9

percarbonate de O,O-t-butyle et O-vinyle

A

3-oxobutyraldehyde
625-34-3

3-oxobutyraldehyde

B

butanedial
638-37-9

butanedial

C

dicumene
1889-67-4

dicumene

D

acetaldehyde
75-07-0

acetaldehyde

E

acetone
67-64-1

acetone

F

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
at 140℃; for 3.5h; Product distribution; Mechanism; sealed tube;A 15%
B 10%
C n/a
D n/a
E 25%
F 69%
Isopropylbenzene
98-82-8

Isopropylbenzene

percarbonate de O,O-t-butyle et O-vinyle
85684-59-9

percarbonate de O,O-t-butyle et O-vinyle

A

3-oxobutyraldehyde
625-34-3

3-oxobutyraldehyde

B

butanedial
638-37-9

butanedial

C

acetone
67-64-1

acetone

D

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
at 140℃; for 3.5h; sealed tube;A 15%
B 10%
C 25%
D 69%
cis,trans-2,5-dimethoxytetrahydrofuran
696-59-3

cis,trans-2,5-dimethoxytetrahydrofuran

methanol
67-56-1

methanol

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
Stage #1: cis,trans-2,5-dimethoxytetrahydrofuran In water at 75℃; for 4h;
Stage #2: methanol In water at 115℃;
69%
2,5-diethoxytetrahydrofurane
3320-90-9

2,5-diethoxytetrahydrofurane

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With sulfuric acid In water Reflux; Inert atmosphere;56%
With hydrogenchloride
With hydrogenchloride
2,3-dioxabicyclo<2.2.2>octane
280-53-5

2,3-dioxabicyclo<2.2.2>octane

A

ethene
74-85-1

ethene

B

butanedial
638-37-9

butanedial

C

1,4-Cyclohexanedione
637-88-7

1,4-Cyclohexanedione

Conditions
ConditionsYield
at 450℃; under 0.001 Torr; Product distribution; Mechanism;A n/a
B 56%
C 42%
2,3-dioxabicyclo<2.2.2>octane
280-53-5

2,3-dioxabicyclo<2.2.2>octane

A

butanedial
638-37-9

butanedial

B

1,4-Cyclohexanedione
637-88-7

1,4-Cyclohexanedione

Conditions
ConditionsYield
at 450℃;A 56%
B 42%
2,3-dioxabicyclo<2.2.2>octane
280-53-5

2,3-dioxabicyclo<2.2.2>octane

A

ethene
74-85-1

ethene

B

butanedial
638-37-9

butanedial

C

cis-1,4-cyclohexanediol
931-71-5

cis-1,4-cyclohexanediol

D

4-hydroxycyclohexanone
13482-22-9

4-hydroxycyclohexanone

Conditions
ConditionsYield
With tris(triphenylphosphine)ruthenium(II) chloride In dichloromethane at 50℃; for 2h; Product distribution; ruthenium(II) catalyzed reaction of 1,4-endoperoxide;A 43%
B 19%
C 17%
D 11%
With tris(triphenylphosphine)ruthenium(II) chloride In dichloromethane at 50℃; for 2h; Title compound not separated from byproducts;A 43 % Chromat.
B 19 % Spectr.
C 17 % Chromat.
D 11 % Chromat.
2,5-dihydro-4-(1-methylethyl)-5-oxo-2-oxazol-propionic aldehyde

2,5-dihydro-4-(1-methylethyl)-5-oxo-2-oxazol-propionic aldehyde

A

butanedial
638-37-9

butanedial

B

3-methyl-2-ketobutanoic acid
759-05-7

3-methyl-2-ketobutanoic acid

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran Ambient temperature;A 38%
B n/a
formaldehyd
50-00-0

formaldehyd

1,5-cis,cis-cyclooctadiene
1552-12-1, 111-78-4

1,5-cis,cis-cyclooctadiene

A

butanedial
638-37-9

butanedial

B

3-(1,2,4-trioxolan-3-yl)propanal

3-(1,2,4-trioxolan-3-yl)propanal

C

3-[2-(1,2,4-trioxolane-3-yl)ethyl]-1,2,4-trioxolane

3-[2-(1,2,4-trioxolane-3-yl)ethyl]-1,2,4-trioxolane

D

(Z)-7-(1,2,4-trioxolan-3-yl)-4-heptenal

(Z)-7-(1,2,4-trioxolan-3-yl)-4-heptenal

Conditions
ConditionsYield
With ozone In dichloromethane at -78℃;A 8%
B 25%
C 15%
D 30%
2,3-dioxabicyclo<2.2.2>octane
280-53-5

2,3-dioxabicyclo<2.2.2>octane

A

butanedial
638-37-9

butanedial

B

cis-1,4-cyclohexanediol
931-71-5

cis-1,4-cyclohexanediol

C

4-hydroxycyclohexanone
13482-22-9

4-hydroxycyclohexanone

D

1,4-Cyclohexanedione
637-88-7

1,4-Cyclohexanedione

Conditions
ConditionsYield
With cobalt(II) 5,10,15,20-tetraphenylporphyrin In chloroform at 60℃; for 11h; Further byproducts given;A 21%
B 28%
C 17%
D 5%
1,5-cis,cis-cyclooctadiene
1552-12-1, 111-78-4

1,5-cis,cis-cyclooctadiene

Acetyl cyanide
631-57-2

Acetyl cyanide

A

butanedial
638-37-9

butanedial

B

3-methyl-5-(3-oxopropyl)-1,2,4-trioxolane-3-carbonitrile

3-methyl-5-(3-oxopropyl)-1,2,4-trioxolane-3-carbonitrile

C

(Z)-3-methyl-5-[7-oxohept-3-enyl]-1,2,4-trioxolane-3-carbonitrile

(Z)-3-methyl-5-[7-oxohept-3-enyl]-1,2,4-trioxolane-3-carbonitrile

D

5-cyano-3-[2-(5-cyano-5-methyl-1,2,4-trioxolane-3-yl)ethyl]-5-methyl-1,2,4-trioxolane

5-cyano-3-[2-(5-cyano-5-methyl-1,2,4-trioxolane-3-yl)ethyl]-5-methyl-1,2,4-trioxolane

Conditions
ConditionsYield
With ozone In dichloromethane at -78℃;A 8%
B 27%
C 25%
D 14%
tetrahydrofuran
109-99-9

tetrahydrofuran

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With oxygen; silver at 350℃;
With oxygen; copper at 350℃;
1,4-butenediol
6117-80-2

1,4-butenediol

A

butanedial
638-37-9

butanedial

B

4-(4-nitrophenoxy)butanoic acid
28341-54-0

4-(4-nitrophenoxy)butanoic acid

Conditions
ConditionsYield
With hydrogen; copper at 250℃;
succinaldehyde dioxime
2580-71-4

succinaldehyde dioxime

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With cis-nitrous acid
With water unter Kuehlung mit den nitrosen Gasen, die man aus Arsenik und Salpetersaeure;
With water ueber mehrere Stufen;
1,1,4,4-tetraethoxy-butane
3975-13-1

1,1,4,4-tetraethoxy-butane

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With mineral acid
2,5-dihydroxyadipic acid
13544-77-9

2,5-dihydroxyadipic acid

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With water; dihydrogen peroxide; iron(II) sulfate
N,N'-dimethyl-N,N'-diphenylsuccinamide
52190-10-0

N,N'-dimethyl-N,N'-diphenylsuccinamide

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With tetrahydrofuran; lithium aluminium tetrahydride
1,2-bis-(1,3-diphenyl-imidazolidin-2-yl)-ethane
103397-76-8

1,2-bis-(1,3-diphenyl-imidazolidin-2-yl)-ethane

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With hydrogenchloride
formic acid ethyl ester
109-94-4

formic acid ethyl ester

succinic acid diethyl ester
123-25-1

succinic acid diethyl ester

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With sodium; toluene anschliessend Behandeln mit wss.Oxalsaeure;
3,5,3',5'-tetramethyl-1H,1'H-1,1'-succinyl-bis-pyrazole
37612-79-6

3,5,3',5'-tetramethyl-1H,1'H-1,1'-succinyl-bis-pyrazole

butanedial
638-37-9

butanedial

Conditions
ConditionsYield
With lithium aluminium tetrahydride
2-bromoprop-1-ene
557-93-7

2-bromoprop-1-ene

butanedial
638-37-9

butanedial

2,7-dimethylocta-1,7-diene-3,6-diol
26947-10-4

2,7-dimethylocta-1,7-diene-3,6-diol

Conditions
ConditionsYield
Stage #1: 2-bromoprop-1-ene With magnesium In tetrahydrofuran at 40℃; for 2h; Inert atmosphere;
Stage #2: butanedial In tetrahydrofuran at 20℃; for 2h; Inert atmosphere;
100%
(i) Mg, (ii) /BRN= 1735656/; Multistep reaction;
butanedial
638-37-9

butanedial

aniline
62-53-3

aniline

1-phenylpyrrole
635-90-5

1-phenylpyrrole

Conditions
ConditionsYield
With ionic liquid-supported SiO2*CF3SO3(1-) In ethanol at 20℃; for 0.166667h; Paal-Knorr Furan Synthesis; Green chemistry;98%
With calcium(II) nitrate tetrahydrate In neat (no solvent) Reflux;
butanedial
638-37-9

butanedial

aniline
62-53-3

aniline

N-phenylpyrrolidine
4096-21-3

N-phenylpyrrolidine

Conditions
ConditionsYield
With potassium hydroxide; iron pentacarbonyl; carbon monoxide In ethanol; water for 5h; Ambient temperature;96%
1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

butanedial
638-37-9

butanedial

(S)-1-(α-aminobenzyl)-2-naphthol L-(+)-tartrate

(S)-1-(α-aminobenzyl)-2-naphthol L-(+)-tartrate

(7aR,10R,12S)-10-(1H-benzotriazol-1-yl)-7a,8,9,10-tetrahydro-12-phenyl-12H-naphtho[1,2-e]pyrrolo[2,1-b][1,3]oxazine
667870-41-9

(7aR,10R,12S)-10-(1H-benzotriazol-1-yl)-7a,8,9,10-tetrahydro-12-phenyl-12H-naphtho[1,2-e]pyrrolo[2,1-b][1,3]oxazine

Conditions
ConditionsYield
In dichloromethane at -5 - 0℃; for 5h;93%
In dichloromethane; water at 0℃; for 4h;93%
butanedial
638-37-9

butanedial

1,3-cylohexanedione
504-02-9

1,3-cylohexanedione

3,4,5,6,9,10-hexahydro-2H-2,6-epoxybenzo[b]oxocin-7(8H)-one

3,4,5,6,9,10-hexahydro-2H-2,6-epoxybenzo[b]oxocin-7(8H)-one

Conditions
ConditionsYield
With L-proline In 1,2-dichloro-ethane at 20℃; Inert atmosphere;93%
butanedial
638-37-9

butanedial

5-Bromo-2,2-dimethyl-1-(tetrahydropyranyloxy)-pentane
112402-14-9

5-Bromo-2,2-dimethyl-1-(tetrahydropyranyloxy)-pentane

1,14-bis(tetrahydropyran-2-yloxy)-2,2,13,13-tetramethyltetradecan-6,9-diol
738606-57-0

1,14-bis(tetrahydropyran-2-yloxy)-2,2,13,13-tetramethyltetradecan-6,9-diol

Conditions
ConditionsYield
Stage #1: 5-Bromo-2,2-dimethyl-1-(tetrahydropyranyloxy)-pentane With magnesium In tetrahydrofuran for 2h; Heating;
Stage #2: butanedial In tetrahydrofuran at 20℃;
92%
Stage #1: 5-Bromo-2,2-dimethyl-1-(tetrahydropyranyloxy)-pentane With magnesium In tetrahydrofuran for 2h; Heating / reflux;
Stage #2: butanedial In tetrahydrofuran at 0 - 20℃;
Stage #3: With hydrogenchloride In tetrahydrofuran; water pH=1 - 2;
92%
butanedial
638-37-9

butanedial

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

2,3-diethynylquinoxaline
91-19-0

2,3-diethynylquinoxaline

Conditions
ConditionsYield
With indium In water at 60℃; under 1241.19 - 2585.81 Torr; for 0.00416667h; Microwave irradiation; Green chemistry; chemoselective reaction;92%
butanedial
638-37-9

butanedial

3-nitro-1-(phenylsulfonyl)-1H-pyrrole
97188-21-1

3-nitro-1-(phenylsulfonyl)-1H-pyrrole

C14H12N2O2S
1035344-89-8

C14H12N2O2S

Conditions
ConditionsYield
With tin; acetic acid In methanol91%
butanedial
638-37-9

butanedial

1-benzylisatin
1217-89-6

1-benzylisatin

tert-butylamine
75-64-9

tert-butylamine

1-benzyl-3-(1-(tert-butyl)-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

1-benzyl-3-(1-(tert-butyl)-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 3h; Paal-Knorr Furan Synthesis;91%
butanedial
638-37-9

butanedial

(tert-Butoxycarbonylmethylene)triphenylphosphorane
86302-43-4

(tert-Butoxycarbonylmethylene)triphenylphosphorane

(2E,6E)-octa-2,6-diendioic acid di-tert-butyl diester
679436-07-8

(2E,6E)-octa-2,6-diendioic acid di-tert-butyl diester

Conditions
ConditionsYield
In dichloromethane at 20℃; Wittig reaction; Inert atmosphere;90%
butanedial
638-37-9

butanedial

methyl (triphenylphosphoranylidene)acetate
21204-67-1

methyl (triphenylphosphoranylidene)acetate

A

(2Z,6Z)-octa-2,6-dienedioic acid dimethyl ester
32347-20-9

(2Z,6Z)-octa-2,6-dienedioic acid dimethyl ester

B

dimethyl (E,E)-octa-2,6-diendioate
26505-44-2

dimethyl (E,E)-octa-2,6-diendioate

Conditions
ConditionsYield
In dichloromethane at 20℃; Wittig reaction; Inert atmosphere;A n/a
B 90%
butanedial
638-37-9

butanedial

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

indole-2,3-dione

N-butylamine
109-73-9

N-butylamine

3-(1-butyl-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

3-(1-butyl-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 5h; Paal-Knorr Furan Synthesis;90%
butanedial
638-37-9

butanedial

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

indole-2,3-dione

tert-butylamine
75-64-9

tert-butylamine

3-(1-(tert-butyl)-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

3-(1-(tert-butyl)-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 2h; Paal-Knorr Furan Synthesis;90%
butanedial
638-37-9

butanedial

4-aminobenzonitrile hydrochloride
2570-98-1

4-aminobenzonitrile hydrochloride

1-(2-chloro-5-pyridylmethyl)-2-nitromethyleneimidazolidine
934236-05-2

1-(2-chloro-5-pyridylmethyl)-2-nitromethyleneimidazolidine

4-(1-((6-chloropyridin-3-yl)methyl)-9-nitro-2,3,5,6,7,8-hexahydro-1H-5,8-epiminoimidazo[1,2-a]azepin-10-yl)benzonitrile

4-(1-((6-chloropyridin-3-yl)methyl)-9-nitro-2,3,5,6,7,8-hexahydro-1H-5,8-epiminoimidazo[1,2-a]azepin-10-yl)benzonitrile

Conditions
ConditionsYield
In acetonitrile at 0℃; for 1.5h;89.4%
butanedial
638-37-9

butanedial

methylamine
74-89-5

methylamine

N-Methylpyrrole
96-54-8

N-Methylpyrrole

Conditions
ConditionsYield
With sodium hydroxide In ethanol at -5 - 45℃; for 14h; Temperature; Reagent/catalyst; Inert atmosphere;89.3%
butanedial
638-37-9

butanedial

phenyllithium
591-51-5

phenyllithium

A

1,4-diphenyl-1,4-butanediol
2085-90-7

1,4-diphenyl-1,4-butanediol

B

5-phenyloxolan-2-ol
36866-66-7

5-phenyloxolan-2-ol

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether; cyclohexane at -40℃; Temperature;A 7%
B 88%
propylamine
107-10-8

propylamine

butanedial
638-37-9

butanedial

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

indole-2,3-dione

3-hydroxy-3-(1-propyl-1H-pyrrol-3-yl)indolin-2-one

3-hydroxy-3-(1-propyl-1H-pyrrol-3-yl)indolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 4h; Paal-Knorr Furan Synthesis;88%
butanedial
638-37-9

butanedial

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

indole-2,3-dione

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

3-hydroxy-3-(1-(4-methoxybenzyl)-1H-pyrrol-3-yl)indolin-2-one

3-hydroxy-3-(1-(4-methoxybenzyl)-1H-pyrrol-3-yl)indolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 7h; Paal-Knorr Furan Synthesis;88%
butanedial
638-37-9

butanedial

1-benzylisatin
1217-89-6

1-benzylisatin

N-butylamine
109-73-9

N-butylamine

1-benzyl-3-(1-butyl-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

1-benzyl-3-(1-butyl-1H-pyrrol-3-yl)-3-hydroxyindolin-2-one

Conditions
ConditionsYield
With ytterbium(III) triflate In ethanol at 20℃; for 4h; Paal-Knorr Furan Synthesis;88%
butanedial
638-37-9

butanedial

4-chloro-aniline
106-47-8

4-chloro-aniline

1-(4-chlorophenyl)pyrrolidine
4280-30-2

1-(4-chlorophenyl)pyrrolidine

Conditions
ConditionsYield
With potassium hydroxide; iron pentacarbonyl; carbon monoxide In ethanol; water for 12h; Ambient temperature;87%
butanedial
638-37-9

butanedial

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

ethyl (2E)-6-oxohex-2-enoate
71778-56-8

ethyl (2E)-6-oxohex-2-enoate

Conditions
ConditionsYield
In dichloromethane for 24h;87%
In dichloromethane for 48h;58%
In dichloromethane at 0℃; for 48h;58%
In dichloromethane at 20℃; for 48h;6.3 g
butanedial
638-37-9

butanedial

2'-Hydroxy-6'-methoxy-2-(methylsulfinyl)acetophenon
52159-62-3

2'-Hydroxy-6'-methoxy-2-(methylsulfinyl)acetophenon

C13H12O4

C13H12O4

Conditions
ConditionsYield
With N-methylcyclohexylamine; water In N,N-dimethyl-formamide at 140℃; for 5h;86%
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