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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

1,4-Phthalaldehyde Manufacturer/High quality/Best price/In stock

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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. Product Name:Terephthalaldehyde CAS No:623-27-8 Syn

Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Gram

Negotiable

Type:Trading Company

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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

Terephthaldicarboxaldehyde manufacture

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Terephthalaldehyde

Cas:623-27-8

Min.Order:1

Negotiable

Type:Other

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/864.html Product Name 1,4-Phthalaldehyde CAS No. 623-27-8

1,4-Phthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $8.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White to light yellow powder light yellow powder Water content

High purity 1,4-Phthalaldehyde with high quality cas:623-27-8

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $25.0 / 50.0

Type:Trading Company

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 1,4-Phthalaldehyde supplier in China

Cas:623-27-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical intermed

Manufacturer high quality Terephthalaldehyde Cas 623-27-8 with good price

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White

Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

Terephthalaldehyde [Chemical Name]: Terephthalaldehyde; Terephthaldicarboxaldehyde ;1,4-Phthalaldehyde [CAS No.]: 623-27-8 [Synonyms]: Benzene-1,4-dica

Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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Wuhan Kemi-Works Chemical Co., Ltd

Product name: 1,4-Phthalaldehyde CAS No. 623-27-8 Molecular formula : C8H6O2 1.We have been specializing in special fine chemical for long, with strong R&D strength. 2.ISO9001. 3.We have been cooperating with oversea from Europe, USA, K

1,4-Phthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

Factory price Cosmetic TEREPHTHALALDEHYDE 623-27-8 Manufacturer

Cas:623-27-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

1,4-Phthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

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

1,4-Phthalaldehyde Manufacturer/High quality/Best price/In stock CAS NO.623-27-8

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

p-Phthalaldehyde

Cas:623-27-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1,4-Phthalaldehyde Basic information Product Name: 1,4-Phthalaldehyde Synonyms: TEREPHTHALDIALDEHYDE;TEREPHTHALDICARBOXALDEHYDE;TEREPHTHALALDEHYDE;TEREPHTHALIC ALDEHYDE;P-PHTHALALDEHYDE;

1,4-Phthalaldehyde 623-27-8

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 manufacturing

CAS 623-27-8 Terephthaldicarboxaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $25.0 / 55.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

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

Top Purity CAS 623-27-8 with fast shipping

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name 1,4-Phthalaldehyde CAS No. 623-27-8 Appearance White Powder Assay ≥99%

1,4-Phthalaldehyde CAS: 623-27-8

Cas:623-27-8

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to light yellow crystalline powder Storage:Room temperature Package:25kg/drum Application:Used in the manufacture of dyes, fragrances, medicines, plastics, optical brighteners Transportation:Express/Sea/Air Port:Any port in china

High Quality Terephthalaldehyde 1,4-Phthalaldehyde In Stock

Cas:623-27-8

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

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

1,4-Phthalaldehyde 623-27-8

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 powder/ Refer to COA Storage:Refer to COA

623-27-8 cas 99.8% Manufacturer Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Terephthalaldehyde CAS:623-27-8 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 intermed

Terephthalaldehyde CAS:623-27-8

Cas:623-27-8

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

1,4-Phthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

1,4-Phthalaldehyde supplier in China CAS NO.623-27-8

Cas:623-27-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

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.:623-27-8

Cas:623-27-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Terephthalaldehyde CAS: 623-27-8 Specification product name 1,4-phthalaldehyde cas no. 623-27-8 appearance white crystalline powder assay ≥99% capacity 500mt/year min.p

Factory supply Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Terephthalaldehyde

Cas:623-27-8

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

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

1,4-Phthalaldehyde

Cas:623-27-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Appearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio

Terephthaldicarboxaldehyde

Cas:623-27-8

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

terephthalaldehyde mono(diethylacetal)
81172-89-6

terephthalaldehyde mono(diethylacetal)

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In water at 30℃; for 0.0833333h;100%
With erbium(III) triflate In nitromethane at 20℃; for 1.5h;99%
With water at 80℃; for 0.25h; microwave irradiation;99%
p-xylylene glycol
589-29-7

p-xylylene glycol

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With manganese(IV) oxide; molecular sieve In hexane for 3h; Heating;99%
With dihydrogen peroxide In water at 100℃; for 5.5h; chemoselective reaction;99%
With 1-methyl-1H-imidazole; copper(I) oxide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In acetonitrile at 25℃; for 24h;99%
disodium terephthalate
10028-70-3

disodium terephthalate

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 3h; Ambient temperature;99%
terephthalic acid Li-salt

terephthalic acid Li-salt

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 3h; Ambient temperature;99%
terephthaloyl chloride
100-20-9

terephthaloyl chloride

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With sodium tris(tert-butoxo)aluminium hydride In tetrahydrofuran; diethylene glycol dimethyl ether at -78℃; for 3h;98%
With tri-n-butyl-tin hydride; tetrakis(triphenylphosphine) palladium(0) In benzene for 0.166667h; Ambient temperature;87%
With tri-n-butyl-tin hydride In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere;86%
4-(dibromomethyl)benzenecarbaldehyde

4-(dibromomethyl)benzenecarbaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With zinc(II) chloride; trimethyl orthoformate at 80℃; for 0.0833333h; Mechanism; Reagent/catalyst;98%
With benzaldehyde dimethyl acetal; zinc(II) chloride In 2,2,4-trimethylpentane at 80℃; for 1h;83%
Multi-step reaction with 2 steps
1: sulfuric acid / 24 h / 20 °C
2: zinc(II) chloride / 1 h / 50 °C
View Scheme
4-(dimethoxymethyl)benzenecarbaldehyde
103781-93-7

4-(dimethoxymethyl)benzenecarbaldehyde

4-(dibromomethyl)benzenecarbaldehyde

4-(dibromomethyl)benzenecarbaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With zinc(II) chloride at 80℃; for 1h;98%
terephthalonitrile
623-26-7

terephthalonitrile

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With C13H26B(1-)*K(1+) In tetrahydrofuran for 24h; Ambient temperature;97%
With sodium triethoxyalanate
With diisobutylaluminium hydride
1-(dibromomethyl)-4-(dimethoxymethyl)benzene

1-(dibromomethyl)-4-(dimethoxymethyl)benzene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With zinc(II) chloride In neat (no solvent) at 50℃; for 1h;96%
With zinc(II) chloride In neat (no solvent) at 50℃; for 1h;96%
With zinc(II) chloride at 50℃; for 1h;96%
terephthalic acid
100-21-0

terephthalic acid

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;95%
With 9-borabicyclo[3.3.1]nonane dimer; lithium dihydrido borata-bicyclo[3.3.0]nonane In tetrahydrofuran for 6h; Ambient temperature;92%
With palladium(II) acetylacetonate; hydrogen; 2,2-dimethylpropanoic anhydride; dicyclohexylphenylphosphine In tetrahydrofuran at 80℃; under 3750.38 Torr; for 20h; Inert atmosphere;85%
4-(1,1-diacetoxymethane)benzaldehyde-1,1-diacetate
93007-21-7

4-(1,1-diacetoxymethane)benzaldehyde-1,1-diacetate

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 2,6-dicarboxypyridinium chlorochromate In acetonitrile at 20℃; for 0.333333h;94%
With poly(amidoamine) dendrimer functionalized sulfonic acid In methanol at 20℃; for 1h;93%
With rice husk supported FeCl3 nanoparticles In ethanol at 70℃; for 0.25h;91%
1,4-bis(1,3-dioxolan-2-yl)benzene
5660-56-0

1,4-bis(1,3-dioxolan-2-yl)benzene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With water at 90℃; for 4h; Green chemistry; chemoselective reaction;93%
With CuCl2*2H2O In acetonitrile for 1.5h; Ambient temperature;88%
With lithium chloride In water; dimethyl sulfoxide at 90℃; for 18h;84%
terephthalaldehyde oxime
69386-99-8, 18705-39-0

terephthalaldehyde oxime

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With periodic acid at 20℃; for 0.416667h;92%
With cellulose supported Cu-nanoparticles In water at 100℃; for 0.133333h; Microwave irradiation; Green chemistry;85%
p-xylylidenediamine
539-48-0

p-xylylidenediamine

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 3-carboxypyridinium dichromate In acetonitrile at 20℃; for 0h;92%
With zinc dichromate trihydrate at 20℃; grinding; neat (no solvent); chemoselective reaction;91%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In dichloromethane at 0 - 20℃; for 0.333333h; Inert atmosphere; Green chemistry;85%
4-(hydroxylmethyl)benzaldehyde
52010-97-6

4-(hydroxylmethyl)benzaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; nitromethane; oxygen; 1,10-ethyleneisoalloxazinium chloride at 40℃; for 14h;91%
With 9-fluorenone In dimethyl sulfoxide at 20℃; Irradiation;90%
With ammonium hydroxide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In ethanol at 50℃; for 30h;89%
para-xylene
106-42-3

para-xylene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 1,4-dichloro-1,4-diazoniabicyclo[2,2,2]octane bis-chloride; water at 40℃; for 0.25h; pH=7;91%
With tert.-butylhydroperoxide In water at 60℃; for 3.25h; Green chemistry;88%
With tert.-butylhydroperoxide; C29H25Cl2N4Ru(1+)*F6P(1-) In acetonitrile at 60℃; for 4h; Schlenk technique; Inert atmosphere;74%
1,4-bis(dibromomethyl)benzene
1592-31-0

1,4-bis(dibromomethyl)benzene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With benzaldehyde dimethyl acetal; zinc(II) chloride In 2,2,4-trimethylpentane at 80℃; for 1h; Catalytic behavior; Solvent; Temperature;90%
With trimethyl phosphite at 180℃; for 21h;72%
With sulfuric acid at 120 - 130℃;
1,4-bis(dibromomethyl)benzene
1592-31-0

1,4-bis(dibromomethyl)benzene

benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

A

terephthalaldehyde,
623-27-8

terephthalaldehyde,

B

benzaldehyde
100-52-7

benzaldehyde

Conditions
ConditionsYield
With zinc(II) chloride In 2,2,4-trimethylpentane at 80℃; for 1h; Concentration; Reagent/catalyst; Temperature; Solvent; Time;A 90%
B 28%
4-((1R*,2R*)-1,2-dihydroxy-2-phenylethyl)benzaldehyde

4-((1R*,2R*)-1,2-dihydroxy-2-phenylethyl)benzaldehyde

A

terephthalaldehyde,
623-27-8

terephthalaldehyde,

B

benzaldehyde
100-52-7

benzaldehyde

Conditions
ConditionsYield
With C21H12Cl6NO4V In toluene at 80℃; under 760.051 Torr; chemoselective reaction;A 87%
B 81%
4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With calcium bis(hypophosphite); calcium acetate; nickel(II) acetate tetrahydrate In ethanol; water at 100℃; for 48h; Sealed tube;85%
Stage #1: 4-cyanobenzaldehyde With trimethylsilyl trifluoromethanesulfonate; triphenylphosphine In dichloromethane at 20℃; for 1h;
Stage #2: With diisobutylaluminium hydride In hexane; dichloromethane at 0℃; regioselective reaction;
65%
1,4-phenylene bis(trifluoromethanesulfonate)
17763-88-1

1,4-phenylene bis(trifluoromethanesulfonate)

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With triethylsilane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium acetate In acetonitrile at 25℃; for 16h; Schlenk technique; Inert atmosphere;85%
N-cyclohexyl-4-formylbenzamide
128204-86-4

N-cyclohexyl-4-formylbenzamide

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
Stage #1: N-cyclohexyl-4-formylbenzamide With 2-fluoropyridine; trifluoromethylsulfonic anhydride In dichloromethane at -78 - 0℃; Inert atmosphere;
Stage #2: With triethylsilane In dichloromethane at 0℃; Inert atmosphere;
Stage #3: With citric acid In tetrahydrofuran; dichloromethane; water at 45℃; for 2h; chemoselective reaction;
84%
benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

4-(dibromomethyl)benzenecarbaldehyde

4-(dibromomethyl)benzenecarbaldehyde

A

terephthalaldehyde,
623-27-8

terephthalaldehyde,

B

benzaldehyde
100-52-7

benzaldehyde

Conditions
ConditionsYield
With zinc(II) chloride In 2,2,4-trimethylpentane at 80℃; for 1h;A 83%
B 55%
1,4-Divinylbenzene
105-06-6

1,4-Divinylbenzene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With cadmium sulphide In neat (no solvent) at 20℃; for 12h; Irradiation;83%
With air; Ag/AgBr/TiO2 nanotubes In acetonitrile at 20℃; for 48h; Irradiation;55%
para-xylene
106-42-3

para-xylene

acetic acid
64-19-7

acetic acid

A

terephthalic acid
100-21-0

terephthalic acid

B

p-methylbenzyl alcohol acetate
2216-45-7

p-methylbenzyl alcohol acetate

C

terephthalaldehyde,
623-27-8

terephthalaldehyde,

D

p-Toluic acid
99-94-5

p-Toluic acid

Conditions
ConditionsYield
With oxygen; manganese(II) acetate; cobalt(II) bromide In acetic acid at 189.85℃; under 15200 Torr; for 3h; Further byproducts given;A 82.7%
B 0.7%
C 0.6%
D 3.8%
1.4-dibromobenzene
106-37-6

1.4-dibromobenzene

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With triethylsilane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium acetate In acetonitrile at 60℃; for 16h; Schlenk technique; Inert atmosphere;82%
4-cyanobenzoic Acid
619-65-8

4-cyanobenzoic Acid

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;81%
4-chloromethylbenzaldehyde
73291-09-5

4-chloromethylbenzaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With 4Na(1+)*6H(1+)*NiMo6O24(10-)=Na4H6NiMo6O24; oxygen In water; acetonitrile at 20℃; under 760.051 Torr; for 12h; Irradiation;80%
4-methyloxymethylhydroxymethylhydroxymethylcyclohexane
62172-89-8

4-methyloxymethylhydroxymethylhydroxymethylcyclohexane

A

4-(methoxymethyl)benzaldehyde
93943-06-7

4-(methoxymethyl)benzaldehyde

B

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With nitric acid In dichloromethane at 20℃; for 1h;A 79%
B 8%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

benzylamine
100-46-9

benzylamine

1,4-bis(benzyliminomethyl)benzene
20941-14-4

1,4-bis(benzyliminomethyl)benzene

Conditions
ConditionsYield
In methanol at 20℃;100%
In methanol at 20℃;80%
N,N'-diacetylpiperazin-2,5-dione
3027-05-2

N,N'-diacetylpiperazin-2,5-dione

terephthalaldehyde,
623-27-8

terephthalaldehyde,

3,6-di(4-carboxybenzylidene)piperazine-2,5-dione
117563-31-2

3,6-di(4-carboxybenzylidene)piperazine-2,5-dione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 25℃; for 2h; 2:1 excess of dialdehyde;100%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

phenethylamine
64-04-0

phenethylamine

N,N'-Bis-2-phenylethyl-p-phenylendimethanimin

N,N'-Bis-2-phenylethyl-p-phenylendimethanimin

Conditions
ConditionsYield
In methanol at 20℃; for 48h;100%
90%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

N-phenylphenylene-1,4-diamine
101-54-2

N-phenylphenylene-1,4-diamine

N,N’-(1,4-phenylenebis(methanylylidene))bis(N-phenylbenzene-1,4-diamine)

N,N’-(1,4-phenylenebis(methanylylidene))bis(N-phenylbenzene-1,4-diamine)

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 10h; Reflux; Dean-Stark;100%
In methanol for 0.5h; Heating;
terephthalaldehyde,
623-27-8

terephthalaldehyde,

terephthalaldehyde oxime
69386-99-8, 18705-39-0

terephthalaldehyde oxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride100%
With sodium hydroxide; hydroxylamine hydrochloride In ethanol at 0℃; for 1h;98%
With hydroxylamine hydrochloride96%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

E,E-terephthalaldoxime

E,E-terephthalaldoxime

Conditions
ConditionsYield
With pyridine; hydroxylamine hydrochloride In ethanol100%
With sodium hydroxide; hydroxylamine hydrochloride In ethanol; water at 20℃; for 2h;89%
With hydroxylamine hydrochloride; sodium carbonate In ethanol at 20℃;80%
With pyridine; hydroxylamine hydrochloride In ethanol Condensation;
1,2-Dihydro-N-methylcyclohepta[b]pyrrol-2-one
3336-87-6

1,2-Dihydro-N-methylcyclohepta[b]pyrrol-2-one

terephthalaldehyde,
623-27-8

terephthalaldehyde,

1,4-bis[bis(1,2-dihydro-2-oxo-N-methylcyclohepta[b]pyrrol-3-yl)methyl]benzene

1,4-bis[bis(1,2-dihydro-2-oxo-N-methylcyclohepta[b]pyrrol-3-yl)methyl]benzene

Conditions
ConditionsYield
In dichloromethane; trifluoroacetic acid at 20℃; for 48h;100%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

2-hydrazino-2-imidazoline hydrobromide
55959-84-7

2-hydrazino-2-imidazoline hydrobromide

1,4-bis((E)-(2-(4,5-dihydro-1H-imidazol-2-yl)hydrazono)methyl)benzene dihydrobromide

1,4-bis((E)-(2-(4,5-dihydro-1H-imidazol-2-yl)hydrazono)methyl)benzene dihydrobromide

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 2h; Heating;100%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

z-bis-ethyl[1,4-phenylene]-bis-(3-propenoate)

z-bis-ethyl[1,4-phenylene]-bis-(3-propenoate)

Conditions
ConditionsYield
In dichloromethane at 20℃; for 48h; Heating / reflux;100%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

terephthalaldehyde,
623-27-8

terephthalaldehyde,

N,N′-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)methanamine)
297771-20-1

N,N′-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)methanamine)

Conditions
ConditionsYield
Stage #1: 2-(Aminomethyl)pyridine; terephthalaldehyde, In benzene Heating / reflux;
Stage #2: With hydrogen; palladium 10% on activated carbon In methanol under 1551.49 Torr; for 20h;
100%
C44H66N4O6
1078738-89-2

C44H66N4O6

terephthalaldehyde,
623-27-8

terephthalaldehyde,

C104H136N8O12

C104H136N8O12

Conditions
ConditionsYield
In chloroform at 60℃; for 12h; Inert atmosphere;100%
2-methylquinoline
91-63-4

2-methylquinoline

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
ConditionsYield
With acetic anhydride for 6h; Reflux;100%
With acetic anhydride for 6h; Reflux;100%
C14H24N2O2Si
1000297-54-0

C14H24N2O2Si

terephthalaldehyde,
623-27-8

terephthalaldehyde,

C36H50N4O4Si2
1166847-47-7

C36H50N4O4Si2

Conditions
ConditionsYield
In toluene at 145℃; Inert atmosphere;100%
3,6-dioxa-1,8-diaminooctane
929-59-9

3,6-dioxa-1,8-diaminooctane

terephthalaldehyde,
623-27-8

terephthalaldehyde,

cyclobis(paraquat-1,4-phenylene) tetrakis(hexafluorophosphate)
117271-77-9

cyclobis(paraquat-1,4-phenylene) tetrakis(hexafluorophosphate)

C28H36N4O4*C36H32N4(4+)*4F6P(1-)

C28H36N4O4*C36H32N4(4+)*4F6P(1-)

Conditions
ConditionsYield
In [D3]acetonitrile at 20℃; for 2h;100%
p-Trifluoromethylbenzylamine
3300-51-4

p-Trifluoromethylbenzylamine

terephthalaldehyde,
623-27-8

terephthalaldehyde,

α,α'-bis(4-trifluoromethylbenzylimino)-p-xylene
1276692-19-3

α,α'-bis(4-trifluoromethylbenzylimino)-p-xylene

Conditions
ConditionsYield
In toluene Reflux;100%
t-butoxycarbonylhydrazine
870-46-2

t-butoxycarbonylhydrazine

terephthalaldehyde,
623-27-8

terephthalaldehyde,

(2E,2'E)-di-tert-butyl 2,2'-(1,4-phenylenebis(methan-1-yl-1-ylidene))bis(hydrazinecarboxylate)
1338091-72-7

(2E,2'E)-di-tert-butyl 2,2'-(1,4-phenylenebis(methan-1-yl-1-ylidene))bis(hydrazinecarboxylate)

Conditions
ConditionsYield
at 20℃; for 1.5h; Neat (no solvent); Ball-milling;100%
1,3-dimethylbarbituric acid
769-42-6

1,3-dimethylbarbituric acid

terephthalaldehyde,
623-27-8

terephthalaldehyde,

dimedone
126-81-8

dimedone

diethylamine
109-89-7

diethylamine

4-((6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)methyl)benzaldehyde diethylaminium salt
1621511-22-5

4-((6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)methyl)benzaldehyde diethylaminium salt

Conditions
ConditionsYield
In water at 20℃; Inert atmosphere;100%
With water at 20℃; Green chemistry;90%
1,3-dimethylbarbituric acid
769-42-6

1,3-dimethylbarbituric acid

terephthalaldehyde,
623-27-8

terephthalaldehyde,

diethylamine
109-89-7

diethylamine

4-(bis(6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl)benzaldehyde diethylaminium salt
1621511-09-8

4-(bis(6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl)benzaldehyde diethylaminium salt

Conditions
ConditionsYield
In water at 20℃; Inert atmosphere;100%
With water; dimedone at 20℃; Green chemistry;92%
4-methyl-morpholine
109-02-4

4-methyl-morpholine

terephthalaldehyde,
623-27-8

terephthalaldehyde,

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

A

tetraethyl 3,3'-(1,4-phenylene)bis(1,2-dicyanocyclopropane-1,2-dicarboxylate)

tetraethyl 3,3'-(1,4-phenylene)bis(1,2-dicyanocyclopropane-1,2-dicarboxylate)

B

C5H11NO*C5H6BrNO2

C5H11NO*C5H6BrNO2

Conditions
ConditionsYield
With bromocyane In ethanol at 0 - 20℃; for 0.00138889h; Michael Addition; Sealed tube; stereoselective reaction;A 100%
B n/a
BARBITURIC ACID
67-52-7

BARBITURIC ACID

terephthalaldehyde,
623-27-8

terephthalaldehyde,

dimedone
126-81-8

dimedone

diethylamine
109-89-7

diethylamine

C4H11N*C20H20N2O6

C4H11N*C20H20N2O6

Conditions
ConditionsYield
In water at 20℃; Inert atmosphere;100%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

dimedone
126-81-8

dimedone

diethylamine
109-89-7

diethylamine

C24H28O5*C4H11N

C24H28O5*C4H11N

Conditions
ConditionsYield
In water at 20℃; Inert atmosphere;100%
BARBITURIC ACID
67-52-7

BARBITURIC ACID

1,3-dimethylbarbituric acid
769-42-6

1,3-dimethylbarbituric acid

terephthalaldehyde,
623-27-8

terephthalaldehyde,

diethylamine
109-89-7

diethylamine

C4H11N*C18H16N4O7

C4H11N*C18H16N4O7

Conditions
ConditionsYield
In water at 20℃; Inert atmosphere;100%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

allyl-trimethyl-silane
762-72-1

allyl-trimethyl-silane

1,4-Bis-(1-trimethylsilanyloxy-but-3-enyl)-benzene

1,4-Bis-(1-trimethylsilanyloxy-but-3-enyl)-benzene

Conditions
ConditionsYield
Stage #1: terephthalaldehyde, With Al-MCM-41 In dichloromethane at 35℃; for 0.0833333h; Inert atmosphere;
Stage #2: allyl-trimethyl-silane In dichloromethane at 35℃; for 0.416667h; Inert atmosphere;
100%
4-Bromophenylacetonitrile
16532-79-9

4-Bromophenylacetonitrile

terephthalaldehyde,
623-27-8

terephthalaldehyde,

1,4-bis-(4-bromo-α-cyanostyryl)benzene

1,4-bis-(4-bromo-α-cyanostyryl)benzene

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 40℃; for 1h; Knoevenagel Condensation;100%
With sodium methylate In methanol; ethanol at 20℃; for 0.166667h;98%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

malononitrile
109-77-3

malononitrile

2-cyano-3-[4-(2,2-dicyanovinyl)phenyl]acrylonitrile
17239-69-9

2-cyano-3-[4-(2,2-dicyanovinyl)phenyl]acrylonitrile

Conditions
ConditionsYield
With sulfuric acid-modified polyethyleneglycol-6000 In neat (no solvent) at 70℃; for 0.0333333h; Knoevenagel Condensation; Green chemistry;99%
With 3-(2-(piperidin-1-yl)ethylthio)propyl-modified silica In ethanol; water at 20℃; for 0.2h; Knoevenagel condensation;97%
With 2,4-Dinitro-phenol; compound with 1-methyl-piperidine In ethanol at 20℃; for 0.0833333h; Knoevenagel Condensation; Green chemistry;95%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

diethyl malonate
105-53-3

diethyl malonate

tetraethyl-2,2′-[1,4-phenylenebis(methanylylidene)]dimalonate
6337-43-5

tetraethyl-2,2′-[1,4-phenylenebis(methanylylidene)]dimalonate

Conditions
ConditionsYield
With sulfuric acid-modified polyethyleneglycol-6000 at 70℃; for 0.0333333h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Knoevenagel Condensation; Green chemistry;99%
With formic acid; triethylamine at 40℃; for 3h;96.9%
With methylamine hydrochloride; sodium acetate In methanol at 20℃; for 25h; Knoevenagel condensation;71%
With piperidine; acetic acid In ethanol Knoevenagel Condensation; Inert atmosphere; Reflux;48.2%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

p-xylylene glycol
589-29-7

p-xylylene glycol

Conditions
ConditionsYield
With C48H43ClN2P2Ru; ammonium formate In water; toluene at 90℃; for 10h; Catalytic behavior; Schlenk technique;99%
Stage #1: terephthalaldehyde, With [HC{(Me)CN(2,6-iPr2C6H3)}2MgnBu]; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In toluene at 20℃; for 8h; Inert atmosphere;
Stage #2: With hydrogenchloride; water In methanol; toluene for 1h; Inert atmosphere; Reflux;
97%
With hydrogen In methanol at 130℃; under 11251.1 Torr; for 2h; Catalytic behavior; Autoclave;96.3%
terephthalaldehyde,
623-27-8

terephthalaldehyde,

4-Carboxybenzaldehyde
619-66-9

4-Carboxybenzaldehyde

Conditions
ConditionsYield
With copper acetylacetonate; oxygen; sodium hydroxide; 1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene In water at 50℃; under 760.051 Torr; for 12h; Sealed tube;99%
With 4H3N*4H(1+)*CuMo6O18(OH)6(4-); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 12h;99%
With carbon dioxide; potassium carbonate; 1,3-bis(mesityl)imidazolium chloride In dimethyl sulfoxide at 20℃; under 760.051 Torr; for 72h;95%
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