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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

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Flaky crystal Complies Assay(by GC) 99%min

High purity 3,4,5-Trimethoxybenzaldehyde with high quality cas:86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $30.0 / 55.0

Type:Manufacturers

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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 3,4,5-Trimethoxybenzaldehyde(Tmba) supplier in China

Cas:86-81-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

3,4,5-Trimethoxybenzaldehyde CAS NO : 86-81-7 Product Product name 3,4,5-Trimethoxybenzaldehyde CAS No. 86-81-7

Good quality 3,4,5-Trimethoxybenzaldehyde//86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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 3,4,5-trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1

Negotiable

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

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

High Quality 99% Benzaldehyde,3,4,5-trimethoxy- 86-81-7 ISO Manufacturer

Cas:86-81-7

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 ap

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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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

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

High Purity 99% Pharmaceutical Intermediates 3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Trading Company

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Hubei DiBo chemical co., LTD

Name:3,4,5-Trimethoxybenzaldehyde CAS NO:86-81-7 Grade:Medical scientific research and export Molecular formula:C10H12O4 Molecular weight: 196.1999 Product Quality 12 years of chemical raw materials Mature operation of the industry System

3,4,5-Trimethoxybenzaldehyde/ CAS:86-81-7/ raw material/ high-quality

Cas:86-81-7

Min.Order:25 Kilogram

FOB Price: $2.0 / 3.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

86-81-7

Cas:86-81-7

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

3 4 5-Trimethoxybenzaldehyde CAS 86-81-7

Cas:86-81-7

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

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

Factory direct supply CAS 86-81-7 with best quality

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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 ♦ W

3,4,5-Trimethoxybenzaldehyde CAS86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

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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

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name 3 4 5-trimethoxybenzaldehyde CAS No 86-81-7 MF C10H12O4 Purity 99% Appearance white powder Appearance: white powder Storage:

3,4,5-Trimethoxybenzaldehyde CAS: 86-81-7

Cas:86-81-7

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White or pale yellow crystalline flakes or solid Storage:R.T Package:25kg/drum Application:Intermediate Transportation:Express/Sea/Air Port:Any port in China

Intermediate 3,4,5-Trimethoxybenzaldehyde cas 86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $60.0 / 110.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is

3,4,5-Trimethoxybenzaldehyde CAS NO 86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

Benzaldehyde,3,4,5-trimethoxy- 86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

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 prese

Pharmaceutical Intermediate, 3,4,5-Trimethoxybenzaldehyde CAS:86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

FOB Price: $27.4 / 32.6

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

3,4,5-Trimethoxybenzaldehyde CAS: 86-81-7 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 organi

3,4,5-Trimethoxybenzaldehyde CAS: 86-81-7

Cas:86-81-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

3,4,5-Trimethoxybenzaldehyde CAS 86-81-7

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:86-81-7

Cas:86-81-7

Min.Order:0

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Type:Lab/Research institutions

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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

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:0

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Triumph International Development Limilted

Appearance:Off-white to white solid powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:It is used to synthesize antibacterial synergistic drug trimethoprim. It is

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

3,4,5-Trimethoxybenzaldehyde

Cas:86-81-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 3,4,5-Trimethoxybenzaldehyde Synonyms: Trimetazidine Impurity 9;AKOS 214-88;AKOS BBS-00003169;3,4,5-TRIMETHOXY PHENYL ALDEHYDE;3,4,5-TRIMETHOXYBENZALDEHYDE;LABOTEST-BB LT00931453;OTAVA-BB BB7018801952;TMBA CAS: 86-81-7 MF: C10H

Trimetazidine Impurity 3,4,5-Trimethoxybenzaldehyde Manufactuered in China best quality

Cas:86-81-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

acetoxy(benzo[1,3]dioxol-5-yl)(dimethylphenylsilyloxy)methane
227624-45-5

acetoxy(benzo[1,3]dioxol-5-yl)(dimethylphenylsilyloxy)methane

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With silica gel Hydrolysis;100%
(3,4,5-trimethoxyphenyl)methanol
3840-31-1

(3,4,5-trimethoxyphenyl)methanol

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With tert.-butylhydroperoxide; V/SiO2 In decane; tert-butyl alcohol at 25℃; for 5h;99.6%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In aq. phosphate buffer; acetonitrile at 20℃; for 24h; pH=6; Enzymatic reaction;99%
With Iron(III) nitrate nonahydrate; oxygen; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,2-dichloro-ethane at 60℃; for 3h; Schlenk technique; Green chemistry;99%
2,6-dibromo-3,4,5-trimethoxybenzyl alcohol

2,6-dibromo-3,4,5-trimethoxybenzyl alcohol

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
Stage #1: 2,6-dibromo-3,4,5-trimethoxybenzyl alcohol With potassium pyrosulfate In hexane at 36℃; for 120h;
Stage #2: With sodium nitrate; hydrogen hexachloroiridate In hexane at 45℃; for 3h; Temperature;
99.1%
(dimethylphenylsilyl)(3,4,5-trimethoxyphenyl)methanol
227624-38-6

(dimethylphenylsilyl)(3,4,5-trimethoxyphenyl)methanol

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
Stage #1: (dimethylphenylsilyl)(3,4,5-trimethoxyphenyl)methanol With tert.-butylnitrite In benzene Nitrosation;
Stage #2: In benzene at 0℃; Elimination; Photolysis; Further stages.;
98%
5-(chloromethyl)-1,2,3-trimethoxybenzene
3840-30-0

5-(chloromethyl)-1,2,3-trimethoxybenzene

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With 1-dodecyl-3-methylimidazolium iron chloride; periodic acid at 30℃; for 1.5h;98%
Multi-step reaction with 2 steps
1: 90 °C
2: acetic acid; water / 80 °C
View Scheme
dimethyl sulfate
77-78-1

dimethyl sulfate

syringic aldehyde
134-96-3

syringic aldehyde

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With sodium hydroxide; adogen 464 In dichloromethane; water for 16h; Ambient temperature;96%
With potassium hydroxide; sodium carbonate In water; acetone for 18h; Heating;91.5%
With potassium carbonate In acetone for 2h; Heating;9 g
With potassium carbonate In acetone Williamson Ether Synthesis;
2-(3,4,5-trimethoxyphenyl)-1,3-dithiane
57009-70-8

2-(3,4,5-trimethoxyphenyl)-1,3-dithiane

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
Stage #1: 2-(3,4,5-trimethoxyphenyl)-1,3-dithiane With acetyl chloride; sodium nitrite In dichloromethane at 0 - 5℃; for 0.25h;
Stage #2: With water In dichloromethane at 0 - 20℃; for 1.25h;
96%
With tetra-N-butylammonium tribromide In dichloromethane at 0 - 5℃; for 0.5h;86%
With tert.-butylhydroperoxide In methanol; water Heating;76%
5-(bis-ethylsulfanyl-methyl)-1,2,3-trimethoxy-benzene

5-(bis-ethylsulfanyl-methyl)-1,2,3-trimethoxy-benzene

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With tetra-N-butylammonium tribromide In dichloromethane at 0 - 5℃; for 0.0833333h;96%
Stage #1: 5-(bis-ethylsulfanyl-methyl)-1,2,3-trimethoxy-benzene With acetyl chloride; sodium nitrite In dichloromethane at 0 - 5℃; for 0.25h;
Stage #2: With water In dichloromethane at 0 - 20℃; for 0.5h;
96%
With dihydrogen peroxide; vanadia; ammonium bromide In dichloromethane; water at 0 - 5℃; for 1.5h;94%
With ammonium heptamolybdate; dihydrogen peroxide; ammonium bromide; perchloric acid In dichloromethane; water at 0 - 5℃; for 0.5h;80%
tetramethlyammonium chloride
75-57-0

tetramethlyammonium chloride

syringic aldehyde
134-96-3

syringic aldehyde

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With caesium carbonate In 1,2-dimethoxyethane at 145℃; for 0.416667h; Microwave irradiation; Inert atmosphere; Sealed vessel;96%
1,2-dihydro-1-(3,4,5-trimethoxybenzoyl)-2-quinolinecarbonitrile
81340-18-3

1,2-dihydro-1-(3,4,5-trimethoxybenzoyl)-2-quinolinecarbonitrile

A

quinoline-2-carboxylic acid
93-10-7

quinoline-2-carboxylic acid

B

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With sulfuric acid at 107℃; for 1h;A n/a
B 95%
2-(3,4,5-trimethoxyphenyl)-1,3-dithiane
57009-70-8

2-(3,4,5-trimethoxyphenyl)-1,3-dithiane

A

1,2-dithiolane
557-22-2

1,2-dithiolane

B

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With tetrafluoroboric acid; tris(2,2'-bipyridine)iron(III) perchlorate In water; acetonitrile for 0.0833333h; Ambient temperature;A n/a
B 95%
(3,4,5-trimethoxyphenyl)methanol
3840-31-1

(3,4,5-trimethoxyphenyl)methanol

Dess-Martin periodane
87413-09-0

Dess-Martin periodane

A

1-acetoxy-1,2-benziodoxol-3-one
1829-26-1

1-acetoxy-1,2-benziodoxol-3-one

B

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

C

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
In dichloromethane at 25℃; for 0.333333h; Product distribution; reaction with other alcohols;A n/a
B 94%
C n/a
(E)-4-methyl-N'-(3,4,5-trimethoxybenzylidene)benzenesulfonohydrazide

(E)-4-methyl-N'-(3,4,5-trimethoxybenzylidene)benzenesulfonohydrazide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With potassium peroxomonosulphate In water; acetic acid at 40 - 45℃; for 0.5h; Oxidation;94%
2-(3,4,5-trimethoxyphenyl)-1,3-oxathiolane

2-(3,4,5-trimethoxyphenyl)-1,3-oxathiolane

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
Stage #1: 2-(3,4,5-trimethoxyphenyl)-1,3-oxathiolane In ethanol at 20℃;
Stage #2: With water In ethanol at 20℃;
94%
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; β‐cyclodextrin In water; acetone at 20℃; for 0.416667h;87%
With ammonium bromide; dihydrogen peroxide; vanadia In dichloromethane at 0 - 5℃; for 1.25h;82%
With perchloric acid; dihydrogen peroxide; ammonium bromide; molybdic acid In dichloromethane at 0 - 5℃; for 3h;75%
3,4,5-trimethoxybenzaldehyde oxime
39201-89-3

3,4,5-trimethoxybenzaldehyde oxime

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With N-Bromosuccinimide; water at 20℃; for 0.0833333h; Hydrolysis;93%
With iron(III) chloride In benzene Heating;92%
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 20℃; for 2.5h; Oxidation; oxidative cleavage;89%
5-iodo-1,2,3-trimethoxybenzene
25245-29-8

5-iodo-1,2,3-trimethoxybenzene

9-methyl-9H-fluorene-9-carbonyl chloride
82102-37-2

9-methyl-9H-fluorene-9-carbonyl chloride

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With dichloro(1,5-cyclooctadiene)palladium(II); N-Methyldicyclohexylamine; potassium formate; tetra-(n-butyl)ammonium iodide; tricyclohexylphosphine tetrafluoroborate; bis(dibenzylideneacetone)-palladium(0); tri tert-butylphosphoniumtetrafluoroborate In acetonitrile at 80℃; for 18h; Sealed tube; Glovebox; Inert atmosphere;93%
2-bromo-3,4,5-tri-methoxybenzaldehyde
35274-53-4

2-bromo-3,4,5-tri-methoxybenzaldehyde

A

(+/-)-4,4',5,5',6,6'-hexamethoxy-1,1'-biphenyl-2,2'-dicarbaldehyde
65171-00-8

(+/-)-4,4',5,5',6,6'-hexamethoxy-1,1'-biphenyl-2,2'-dicarbaldehyde

B

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With copper at 250℃; for 0.25h;A 92%
B 3.5%
at 190℃; for 1h; Product distribution; other temperatures and other reaction times;A 73.5%
B 23.5%
at 320℃; for 0.0833333h;A 25%
B 50%
With zinc; bis(triphenylphosphine)nickel(II) chloride In N,N-dimethyl-formamide at 60℃; for 9h; Ullmann-pinacol coupling;A 50%
B 30%
(E)-3,4,5-trimethoxybenzaldehyde oxime
39201-89-3, 65567-36-4, 65567-39-7

(E)-3,4,5-trimethoxybenzaldehyde oxime

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With antimonypentachloride In dichloromethane at 20℃; for 2h;92%
With lanthanum(III) chloride; sodium dihydrogenphosphate In water; acetonitrile at 20℃; for 18h;90%
With triethylammonium chlorochromate(VI) In 1,2-dichloro-ethane for 2h;76%
4-methyl-N′-(3,4,5-trimethoxybenzylidene)-benzenesulfonohydrazide
188493-61-0

4-methyl-N′-(3,4,5-trimethoxybenzylidene)-benzenesulfonohydrazide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In tetrahydrofuran; dimethyl sulfoxide for 0.416667h; Ambient temperature;92%
With silica gel; iron(III) chloride for 0.03h; microwave irradiation;92%
3,4,5-Trimethoxybenzaldehyde N,N-dimethylhydrazone
105143-07-5

3,4,5-Trimethoxybenzaldehyde N,N-dimethylhydrazone

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With triethylene diamine nickel thiosulfate; water In chloroform at 20℃; for 0.0833333h; Hydrolysis;92%
With chloro-trimethyl-silane; sodium iodide In water; acetonitrile for 0.0833333h; deprotection;87%
3,4,5-trimethoxybenzaldehyde dimethyl acetal
59276-37-8

3,4,5-trimethoxybenzaldehyde dimethyl acetal

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 25℃; for 16h;92%
With β‐cyclodextrin In methanol; water at 50℃; for 10h;78%
(3,4,5-Trimethoxyphenyl)methylene diacetate
30225-78-6

(3,4,5-Trimethoxyphenyl)methylene diacetate

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With water; titanium(IV) fluoride at 60℃; for 24h; screw-capped vial;92%
With ammonium acetate for 0.00416667h; microwave irradiation;85%
N-(2,4-dinitrophenyl)-N'-(3',4',5'-trimethoxybenzylidene)hydrazone
14400-76-1

N-(2,4-dinitrophenyl)-N'-(3',4',5'-trimethoxybenzylidene)hydrazone

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
aluminum oxide; potassium permanganate at 20℃; for 0.0166667h;92%
N,N-diethyl(3,4,5-trimethoxyphenyl)carboxamide
5470-42-8

N,N-diethyl(3,4,5-trimethoxyphenyl)carboxamide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With Schwartz's reagent In tetrahydrofuran at 20℃; for 0.5h;92%
3,4,5-trimethoxytoluene
6443-69-2

3,4,5-trimethoxytoluene

A

3,4,5-trimethoxybenzyl acetate
72092-48-9

3,4,5-trimethoxybenzyl acetate

B

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With oxygen; cobalt(II) acetate; manganese(II) acetate In acetic acid at 110℃; under 2280 Torr; for 2h;A 4.2%
B 91.2%
1,2-bis(3,4,5-trimethoxyphenyl)ethane-1,2-diol
112867-71-7

1,2-bis(3,4,5-trimethoxyphenyl)ethane-1,2-diol

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With silica gel; periodic acid at 20℃; for 0.25h; Neat (no solvent);91%
With aluminum oxide; potassium metaperiodate for 0.166667h; Microwave irradiation;40%
5-[(3,4,5-trimethoxyphenyl)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione
87212-60-0

5-[(3,4,5-trimethoxyphenyl)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With oxone In water; acetonitrile at 45℃; for 1h; Reagent/catalyst; Solvent; Temperature;91%
syringic aldehyde
134-96-3

syringic aldehyde

methyl iodide
74-88-4

methyl iodide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃;90%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 6h;90%
With potassium carbonate In N,N-dimethyl-formamide Heating; Inert atmosphere;89%
3,4,5-trimethoxybenzohydrazide
3291-03-0

3,4,5-trimethoxybenzohydrazide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Conditions
ConditionsYield
With ammonium hydroxide; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In chloroform at 20℃; for 0.5h;89.2%
With ammonium hydroxide; potassium hexacyanoferrate(III) In dichloromethane; water at 20℃; for 4h;85%
Stage #1: 3,4,5-trimethoxybenzohydrazide With potassium hexacyanoferrate(III)
Stage #2: With ammonium hydroxide In toluene
Stage #3: In water at 20℃;
81%
With ammonium hydroxide; potassium hexacyanoferrate(III)
Multi-step reaction with 2 steps
1: pyridine
2: Na2CO3; ethylene glycol / 150 - 160 °C
View Scheme
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

aniline
62-53-3

aniline

N-(3,4,5-trimethoxybenzylidene)aniline
114468-30-3, 32349-41-0

N-(3,4,5-trimethoxybenzylidene)aniline

Conditions
ConditionsYield
In chloroform Ambient temperature;100%
sodium hydrogen sulfate; silica gel at 60 - 62℃; for 0.025h; microwave irradiation;94%
In ethanol at 20℃;87%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

3,4,5-trimethoxytoluene
6443-69-2

3,4,5-trimethoxytoluene

Conditions
ConditionsYield
Stage #1: 3,4,5-trimethoxy-benzaldehyde With hydrazine hydrate; potassium hydroxide In ethylene glycol at 70℃; for 2h; Wolff-Kishner Reduction;
Stage #2: In ethylene glycol at 150℃; for 2h;
100%
With hydrogenchloride; hydrogen; palladium on activated charcoal In methanol at 20℃; under 760.051 Torr; for 1.5h;98%
With hydrogen; palladium on activated charcoal In acetic acid under 30002.4 Torr; for 72h; Ambient temperature;97%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

(3,4,5-trimethoxyphenyl)methanol
3840-31-1

(3,4,5-trimethoxyphenyl)methanol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 0 - 20℃; for 4h;100%
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h; Inert atmosphere;100%
With sodium tetrahydroborate In methanol at 20℃; for 1h;99%
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

ethyl (E)-3-(3,4,5-trimethoxyphenyl)acrylate
1878-29-1, 30273-65-5, 31892-98-5

ethyl (E)-3-(3,4,5-trimethoxyphenyl)acrylate

Conditions
ConditionsYield
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With lithium chloride In tetrahydrofuran at 20℃; for 0.25h; Horner-Wadsworth-Emmons Olefination; Inert atmosphere;
Stage #2: 3,4,5-trimethoxy-benzaldehyde With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran Horner-Wadsworth-Emmons Olefination; Inert atmosphere;
100%
With potassium carbonate In water at 70℃; for 4h;90%
With potassium carbonate In water at 70℃; for 4h; Wittig Olefination; stereoselective reaction;90%
4-acetyltropolone
1738-16-5

4-acetyltropolone

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

4-(3,4,5-trimethoxycinnamoyl)tropolone

4-(3,4,5-trimethoxycinnamoyl)tropolone

Conditions
ConditionsYield
With potassium hydroxide In methanol at 0℃;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Trimethylenediamine
109-76-2

Trimethylenediamine

N,N'-bis-(3,4,5-trimethoxybenzylidene)-1,3-diaminopropane
126556-34-1

N,N'-bis-(3,4,5-trimethoxybenzylidene)-1,3-diaminopropane

Conditions
ConditionsYield
In methanol for 1h; Ambient temperature;100%
In ethanol for 1h; Heating;59%
In methanol at 20℃;
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

Dimethyl phosphite
868-85-9

Dimethyl phosphite

dimethyl α-hydroxy-α-(3,4,5-trimethoxyphenyl)methanephosphonate
130190-35-1

dimethyl α-hydroxy-α-(3,4,5-trimethoxyphenyl)methanephosphonate

Conditions
ConditionsYield
With dibutylamine In diethyl ether at 20℃; for 3h;100%
With sodium methylate In methanol at 50℃;96.5%
With methanol; sodium for 0.5h; Heating;90%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

2-cyano-3-(3,4,5-trimethoxyphenyl)acrylic acid ethyl ester
2601-03-8

2-cyano-3-(3,4,5-trimethoxyphenyl)acrylic acid ethyl ester

Conditions
ConditionsYield
With ytterbium(III) triflate at 80 - 85℃; Knoevenagel condensation; neat (no solvent);100%
With recovered palladium catalyst In ethanol at 20℃; for 18h; Knoevenagel Condensation; Green chemistry;97%
With montmorillonitesilylpropylidenediamine In toluene Ambient temperature;96%
With piperidine In ethanol at 20℃;
In ethanol at 20℃; Knoevenagel Condensation; Sonication;
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

acetone
67-64-1

acetone

4-(3,4,5-trimethoxyphenyl)-3-buten-2-one
10421-02-0

4-(3,4,5-trimethoxyphenyl)-3-buten-2-one

Conditions
ConditionsYield
With sodium hydroxide for 72h; Ambient temperature;100%
With sodium hydroxide In ethanol; water for 0.75h; Ambient temperature;79%
With sodium hydroxide In water at 20℃; for 20h;57%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

(R)-Thiazolidine-4-carboxylic acid hydrazide
156320-26-2

(R)-Thiazolidine-4-carboxylic acid hydrazide

(R)-Thiazolidine-4-carboxylic acid [1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-hydrazide

(R)-Thiazolidine-4-carboxylic acid [1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-hydrazide

Conditions
ConditionsYield
In ethanol at 20℃; for 1h;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

2,2-dimethoxyethylamine
22483-09-6

2,2-dimethoxyethylamine

2,2-dimethoxy-N-<(3',4',5'-trimethoxyphenyl)methylene>ethylamine
39964-85-7

2,2-dimethoxy-N-<(3',4',5'-trimethoxyphenyl)methylene>ethylamine

Conditions
ConditionsYield
In benzene for 5.25h; Heating;100%
With magnesium sulfate In chloroform at 20℃; for 24h;100%
With magnesium sulfate In chloroform at 20℃; for 24h;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3,4,5-trimethoxybenzaldehyde dimethyl acetal
59276-37-8

3,4,5-trimethoxybenzaldehyde dimethyl acetal

Conditions
ConditionsYield
With montmorillonite K10 In methanol at 40℃; for 18h; Inert atmosphere;100%
With camphorsulfonic acid In methanol at 20℃; for 60h; Inert atmosphere;99%
Stage #1: 3,4,5-trimethoxy-benzaldehyde; trimethyl orthoformate With ammonium chloride In methanol for 3h; Inert atmosphere; Reflux;
Stage #2: With triethylamine In methanol at 20℃; for 0.0833333h;
99%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

3,4,5-trimethoxybenzonitrile
1885-35-4

3,4,5-trimethoxybenzonitrile

Conditions
ConditionsYield
With hydroxylamine hydrochloride In 1-methyl-pyrrolidin-2-one at 100℃; for 0.5h;100%
With oxygen; copper; ammonium chloride In pyridine at 60℃; for 24h;98%
With trifluorormethanesulfonic acid; trimethylsilylazide In acetonitrile at 25℃; for 0.00277778h; Schmidt Reaction; Flow reactor;98%
4-(1,3-benzodioxol-5-ylmethyl)-4,5-dihydrofuran-2(3H)-one
80483-34-7

4-(1,3-benzodioxol-5-ylmethyl)-4,5-dihydrofuran-2(3H)-one

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

4-Benzo[1,3]dioxol-5-ylmethyl-3-[hydroxy-(3,4,5-trimethoxy-phenyl)-methyl]-dihydro-furan-2-one
144539-72-0

4-Benzo[1,3]dioxol-5-ylmethyl-3-[hydroxy-(3,4,5-trimethoxy-phenyl)-methyl]-dihydro-furan-2-one

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -10 - 10℃;100%
With lithium diisopropyl amide 1.) THF, -70 deg C, 10 min, 2.) THF, -70 deg C, 30 min; Multistep reaction;
Stage #1: 4-(1,3-benzodioxol-5-ylmethyl)-4,5-dihydrofuran-2(3H)-one With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.75h;
Stage #2: 3,4,5-trimethoxy-benzaldehyde In tetrahydrofuran at -78℃; for 0.166667h;
carbon tetrabromide
558-13-4

carbon tetrabromide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

1,1-Dibromo-2-(3',4',5'-trimethoxyphenyl)ethene
77295-62-6

1,1-Dibromo-2-(3',4',5'-trimethoxyphenyl)ethene

Conditions
ConditionsYield
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 0.25h; Corey-Fuchs homologation;
Stage #2: 3,4,5-trimethoxy-benzaldehyde In dichloromethane at 0℃; for 0.0833333h; Corey-Fuchs homologation;
100%
With triphenylphosphine In dichloromethane at 25℃; for 16h;99%
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Schlenk technique;
Stage #2: 3,4,5-trimethoxy-benzaldehyde In dichloromethane Inert atmosphere; Schlenk technique;
94%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

propan-1-ol-3-amine
156-87-6

propan-1-ol-3-amine

2-(3,4,5-trimethoxy)phenyltetrahydro-(2H)-1,3-oxazine
253453-32-6

2-(3,4,5-trimethoxy)phenyltetrahydro-(2H)-1,3-oxazine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene Heating;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

1-(trimethylsilyl)-1H-benzotriazole
43183-36-4

1-(trimethylsilyl)-1H-benzotriazole

1-[trimethylsilyloxy-(3,4,5-trimethoxyphenyl)methyl]benzotriazole

1-[trimethylsilyloxy-(3,4,5-trimethoxyphenyl)methyl]benzotriazole

Conditions
ConditionsYield
With potassium trimethylsilonate at 20℃; for 0.5h;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

5-oxo-1-(trimethylsilyl)-L-proline trimethylsilyl ester

5-oxo-1-(trimethylsilyl)-L-proline trimethylsilyl ester

trimethylsilyl 1-[trimethylsilyloxy-(3,4,5-trimethoxyphenyl)methyl]pyroglutamate

trimethylsilyl 1-[trimethylsilyloxy-(3,4,5-trimethoxyphenyl)methyl]pyroglutamate

Conditions
ConditionsYield
With potassium tert-butylate at 100℃; for 4.5h;100%
vinyl magnesium bromide
1826-67-1

vinyl magnesium bromide

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

1-(3,4,5-trimethoxyphenyl)prop-2-en-1-ol
76774-00-0

1-(3,4,5-trimethoxyphenyl)prop-2-en-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; Inert atmosphere;100%
In tetrahydrofuran at 0 - 20℃;95%
In tetrahydrofuran88%
3-bromopropylamine hydrochloride
5003-71-4

3-bromopropylamine hydrochloride

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

3,4,5-trimethoxybenzylidene-(3-bromo-1-propylamine)

3,4,5-trimethoxybenzylidene-(3-bromo-1-propylamine)

Conditions
ConditionsYield
Stage #1: 3-bromopropylamine hydrochloride With triethylamine In chloroform at 20℃; for 0.0833333h;
Stage #2: 3,4,5-trimethoxy-benzaldehyde With magnesium sulfate In chloroform at 20℃; for 16h;
100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

N-(3,4,5-trimethoxybenzyl)hydroxylamine
51307-65-4

N-(3,4,5-trimethoxybenzyl)hydroxylamine

Conditions
ConditionsYield
Stage #1: 3,4,5-trimethoxy-benzaldehyde With hydroxylamine hydrochloride; sodium acetate; sodium cyanoborohydride In methanol; water for 6h;
Stage #2: With hydrogenchloride; water In methanol for 16h; pH=1;
100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

aniline
62-53-3

aniline

(E)-N-phenyl-1-(3,4,5-trimethoxyphenyl)methanimine
114468-30-3

(E)-N-phenyl-1-(3,4,5-trimethoxyphenyl)methanimine

Conditions
ConditionsYield
at 80℃; under 15.0015 Torr; for 3h;100%
In ethanol at 20℃; for 120h;90%
With 4 A molecular sieve
at 80℃; under 15.0015 - 15.7516 Torr;
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

N-benzyl-N-(methoxymethyl)-N-[(trimethylsilyl)methyl]amine
93102-05-7

N-benzyl-N-(methoxymethyl)-N-[(trimethylsilyl)methyl]amine

3-benzyl-5-(3',4',5'-trimethoxyphenyl)oxazolidine

3-benzyl-5-(3',4',5'-trimethoxyphenyl)oxazolidine

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 0 - 25℃;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

GlyOEt*HCl
459-73-4

GlyOEt*HCl

C14H19NO5
1165938-87-3

C14H19NO5

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

4-[(tert-butyldimethylsilyl)oxy]aniline
111359-74-1

4-[(tert-butyldimethylsilyl)oxy]aniline

4-(tert-butyldimethylsilyloxy)-N-(3,4,5-trimethoxybenzylidene)aniline

4-(tert-butyldimethylsilyloxy)-N-(3,4,5-trimethoxybenzylidene)aniline

Conditions
ConditionsYield
In ethanol for 3h; Reflux;100%
3,5-dimethyl-4-nitroisoxazole
1123-49-5

3,5-dimethyl-4-nitroisoxazole

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

C15H16N2O6

C15H16N2O6

Conditions
ConditionsYield
With pyrrolidine In neat (no solvent) at 20℃; for 0.166667h; Aldol Condensation;100%
With piperidine In ethanol at 65℃; Knoevenagel Condensation;
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

benzil
134-81-6

benzil

urea
57-13-6

urea

4,5‐diphenyl‐2‐(3,4,5‐trimethoxyphenyl)‐1H‐imidazole
190780-24-6

4,5‐diphenyl‐2‐(3,4,5‐trimethoxyphenyl)‐1H‐imidazole

Conditions
ConditionsYield
With ammonium acetate; zinc(II) chloride at 70 - 110℃; for 0.5h; Green chemistry;100%
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

C19H21NO3

C19H21NO3

Conditions
ConditionsYield
In neat (no solvent, solid phase) Milling;100%
(R)-1-Aminoindane
10277-74-4

(R)-1-Aminoindane

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

C19H21NO3

C19H21NO3

Conditions
ConditionsYield
In neat (no solvent, solid phase) Milling;100%
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