Products

Refine

Country

Business Type

Certificate

Display

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 according to the contract research and development services for the fine c

Trimethoprim 738-70-5 /manufacturer/low price/high quality/in stock

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $12.0 / 13.0

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Technical Data Sheet Chemical name: 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine Moleculor Formula : C14H18N4O3 Molecular Weight:: 290.32 CAS#: 738-70-5 EINECS: 212-006-2 Appearance:white powder Storage:cool and dry Package:25kg 10kg

Trimethoprim

Cas:738-70-5

Min.Order:10 Kiloliter

FOB Price: $18.0 / 20.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Trimethoprim Cas 738-70-5 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:2-8°C Package:1kg/foil bag, 25kg/drum or as you requir

Good reliable supplier Trimethoprim Cas 738-70-5 with high quality best purity

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $60.0

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or yellowish-white powder Conform So

High purity trimethoprim 98%min with best price and good supplier cas:738-70-5

Cas:738-70-5

Min.Order:1 Gram

FOB Price: $35.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

We are very compeitive on Trimethoprim.Our mfr is GMP certified for this item with CEP document. Product Name: Trimethoprim CAS: 738-70-5 MF: C14H18N4O3 MW: 290.32 EINECS: 212-006-2

factory supply GMP,DMF,CEP Trimethoprim

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

Chemical Name: Trimethoprim (TMP) Other name: Abaprim;5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine;5-(3,4,5-trimethoxybenzyl)-2,4-diaminopyrimidine CAS: 738-70-5 EINECS No.: 212-006-2 Formula: C14H18N4O3 Molecular Weight: 29

CAS:738-70-5 Trimethoprim

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C

Trimethoprim manufacturer with low price

Cas:738-70-5

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable

trimethoprim

Cas:738-70-5

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

inquiry

Hefei TNJ chemical industry co.,ltd

Company Name:Hefei TNJ Chemical Industry Co.,Ltd. Registered Address:B911 Xincheng Business Center,South of Dongliu Road, Zhengwu District, Hefei, Anhui,China Register Capital:¥12,000,000.00 Re-Register Date:2009.09.03 Register Number:3

Trimethoprim(TMP), CAS No.: 738-70-5

Cas:738-70-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

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

Bulk stock 99% Trimethoprim Powder cas:738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $19.0 / 25.0

Type:Manufacturers

inquiry

EAST CHEMSOURCES LIMITED

Trimethoprim Chemical Name: Trimethoprim (TMP) Other name: Abaprim;5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine;5-(3,4,5-trimethoxybenzyl)-2,4-diaminopyrimidine CAS: 738-70-5 EINECS No.: 212-006-2 Formula: C14H18N4O3 Molec

Trimethoprim

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

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

Factory Supply Trimethopim

Cas:738-70-5

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

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

High Quality 99% Trimethoprim 738-70-5 ISO Producer

Cas:738-70-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Trimethoprim Sodium

Cas:738-70-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:Trimethoprim CAS:738-70-5 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Pr

Trimethoprim 738-70-5 /manufacturer/low price/high quality/in stock

Cas:738-70-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Trimethoprim Trimethoprim Basic information Pyrimethamine class antibacterial agents Adverse reactions Chemical Properties Application Production methods Product Name: Trimethoprim

Trimethoprim CAS738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

Trimethoprim CAS 738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $48.0 / 58.0

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

New production CAS 738-70-5 with best quality

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Trimethoprim/ LIDE PHARMA- Factory supply / Best price

Cas:738-70-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Trimethoprim TMP CAS NO: 738-70-5 Chemical Name: 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine Standard: BP98/EP97/BP2000/CP2000 BP2001/BP2002/EP4/USP24/25/26 Specification: Appearance:White or yellowish white

Trimethoprim/CAS:738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

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

99%min Trimethoprim Manufacturer

Cas:738-70-5

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

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

Pharmaceutical raw material Trimethoprim, CAS no 738-70-5 veterinary medicine trimethoprim

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $20.0 / 40.0

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

Trimethoprim 738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 present

Trimethoprim Sulfa drugs and synergistic agents

Cas:738-70-5

Min.Order:1 Kilogram

FOB Price: $35.0 / 45.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply Trimethoprim CAS 738-70-5 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and exported to m

High quality Trimethoprim CAS 738-70-5

Cas:738-70-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

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

Chinese suppliers CAS 738-70-5 Trimethoprim

Cas:738-70-5

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Trimethoprim

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

trimethoprim CAS738-70-5

Cas:738-70-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:738-70-5

Cas:738-70-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

3-anilino-2-(3,4,5-trimethoxybenzyl)propenenitrile
30078-48-9

3-anilino-2-(3,4,5-trimethoxybenzyl)propenenitrile

guanidine nitrate
506-93-4

guanidine nitrate

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Stage #1: guanidine nitrate With sodium methylate at 30℃; for 0.5h; Reflux;
Stage #2: 3-anilino-2-(3,4,5-trimethoxybenzyl)propenenitrile for 10h; Reflux;
95%
β-(p-methylanilino)-β-3,4,5-trimethoxybenzylacrylonitrile

β-(p-methylanilino)-β-3,4,5-trimethoxybenzylacrylonitrile

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
90%
2,4-dichloro-5-(3,4,5-trimethoxybenzyl)pyrimidine
55694-05-8

2,4-dichloro-5-(3,4,5-trimethoxybenzyl)pyrimidine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With ammonia In methanol at 175℃; for 6h;85%
With ammonia In ethanol at 120℃; for 12h;83%
6-methylsulfanyl-5-(3,4,5-trimethoxy-benzyl)-pyrimidine-2,4-diamine
39667-16-8

6-methylsulfanyl-5-(3,4,5-trimethoxy-benzyl)-pyrimidine-2,4-diamine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With Raney nickel W-5 In ethanol; 2-methoxy-ethanol; water at 120℃; for 1h;83%
2,4-diamino-5-(3,5-dimethoxy-4-hydroxybenzyl)pyrimidine
21253-58-7

2,4-diamino-5-(3,5-dimethoxy-4-hydroxybenzyl)pyrimidine

methyl iodide
74-88-4

methyl iodide

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With sodium methylate In dimethyl sulfoxide for 4h; Ambient temperature;66%
2,4-dichloro-5-(3,4,5-trimethoxybenzyl)pyrimidine
55694-05-8

2,4-dichloro-5-(3,4,5-trimethoxybenzyl)pyrimidine

A

2-Chloro-5-(3,4,5-trimethoxy-benzyl)-pyrimidin-4-ylamine

2-Chloro-5-(3,4,5-trimethoxy-benzyl)-pyrimidin-4-ylamine

B

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With ammonia In ethanol at 120℃; for 8h;A 22%
B 55%
3,4,5-trimethoxy-2'-(methoxymethyl)cinnamonitrile
7520-69-6, 141292-62-8

3,4,5-trimethoxy-2'-(methoxymethyl)cinnamonitrile

sodium methylate
124-41-4

sodium methylate

diguanidine carbonate
593-85-1

diguanidine carbonate

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
1) DMSO, 70 to 75 deg C, 1.0 h, 2) DMSO, 110 deg C, 1.0 h; Yield given. Multistep reaction;
guanidine hydrochloride
50-01-1

guanidine hydrochloride

3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrylonitrile

3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrylonitrile

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With sodium ethanolate 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h; Yield given. Multistep reaction;
2,4-diamino-5-(3,4,5-trimethoxybenzyl)-6-chloropyrimidine
30563-87-2

2,4-diamino-5-(3,4,5-trimethoxybenzyl)-6-chloropyrimidine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
With hydrogen; acetic acid; palladium on activated charcoal In water
3-morpholino-5-(3',4',5'-trimethoxybenzyl)acrylopyrimidine
30077-81-7

3-morpholino-5-(3',4',5'-trimethoxybenzyl)acrylopyrimidine

guanidine nitrate
113-00-8

guanidine nitrate

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
In ethanol; dimethyl sulfoxide for 18h; Heating;
With dimethyl sulfoxide In ethanol
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaOMe / dimethylsulfoxide
2: DMSO / ethanol
View Scheme
Multi-step reaction with 5 steps
1: 95 percent / TEBA / 1 h / 85 °C
2: 90 percent / H2 / 10 percent Pd/C / ethyl acetate / 2.5 h
3: Na / methanol / 12 h / Heating
4: PCl5; POCl3 / 4 h / Heating
5: H2; AcOH / 10 percent Pd/C / H2O
View Scheme
Multi-step reaction with 4 steps
1.1: sodium methylate; 15-crown-5 / dimethyl sulfoxide / 2.5 h / 105 °C
2.1: water; sodium tetrahydroborate / 1 h / 20 °C
3.1: acetic anhydride / N,N-dimethyl-formamide / 1 h / Reflux
3.2: 1 h / Reflux
4.1: triethylamine; p-toluenesulfonyl chloride / dichloromethane / 1 h / 0 - 25 °C
4.2: 1.5 h / 25 - 30 °C
View Scheme
diethyl 3,4,5-trimethoxybenzyl phosphate
910859-93-7

diethyl 3,4,5-trimethoxybenzyl phosphate

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: i-PrMgCl*LiCl / tetrahydrofuran; 1,2-dimethoxy-ethane / 4 h / 0 °C
1.2: CuBr; P(OEt)3 / 1,2-dimethoxy-ethane; tetrahydrofuran / 0.17 h / -15 °C
1.3: 81 percent / tetrabutylammonium iodide / tetrahydrofuran; 1,2-dimethoxy-ethane / 1.5 h / 60 °C
2.1: 87 percent / aq. HCl / methanol / 0.25 h / 20 °C
3.1: 86 percent / N,N-dimethylbenzenamine; POCl3 / 1 h / 110 °C
4.1: 85 percent / NH3 / methanol / 6 h / 175 °C
View Scheme
5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4(1H,3H)-dione
93885-69-9

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4(1H,3H)-dione

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 86 percent / N,N-dimethylbenzenamine; POCl3 / 1 h / 110 °C
2: 85 percent / NH3 / methanol / 6 h / 175 °C
View Scheme
2,4-di-tert-butoxy-5-(3,4,5-trimethoxybenzyl)pyrimidine
910859-94-8

2,4-di-tert-butoxy-5-(3,4,5-trimethoxybenzyl)pyrimidine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 87 percent / aq. HCl / methanol / 0.25 h / 20 °C
2: 86 percent / N,N-dimethylbenzenamine; POCl3 / 1 h / 110 °C
3: 85 percent / NH3 / methanol / 6 h / 175 °C
View Scheme
(3,4,5-trimethoxyphenyl)methanol
3840-31-1

(3,4,5-trimethoxyphenyl)methanol

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: 83 percent / DMAP; Et3N / tetrahydrofuran / 4 h / 20 °C
2.1: i-PrMgCl*LiCl / tetrahydrofuran; 1,2-dimethoxy-ethane / 4 h / 0 °C
2.2: CuBr; P(OEt)3 / 1,2-dimethoxy-ethane; tetrahydrofuran / 0.17 h / -15 °C
2.3: 81 percent / tetrabutylammonium iodide / tetrahydrofuran; 1,2-dimethoxy-ethane / 1.5 h / 60 °C
3.1: 87 percent / aq. HCl / methanol / 0.25 h / 20 °C
4.1: 86 percent / N,N-dimethylbenzenamine; POCl3 / 1 h / 110 °C
5.1: 85 percent / NH3 / methanol / 6 h / 175 °C
View Scheme
2-cyano-3-(3,4,5-trimethoxy-phenyl)propionic acid ethyl ester
29958-02-9

2-cyano-3-(3,4,5-trimethoxy-phenyl)propionic acid ethyl ester

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Na / methanol / 12 h / Heating
2: PCl5; POCl3 / 4 h / Heating
3: H2; AcOH / 10 percent Pd/C / H2O
View Scheme
2,4-diamino-5-(3',4',5'-trimethoxy-benzyl)-6-hydroxy-pyrimidine
37389-83-6

2,4-diamino-5-(3',4',5'-trimethoxy-benzyl)-6-hydroxy-pyrimidine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: PCl5; POCl3 / 4 h / Heating
2: H2; AcOH / 10 percent Pd/C / H2O
View Scheme
Stage #1: 2,4-diamino-5-(3',4',5'-trimethoxy-benzyl)-6-hydroxy-pyrimidine With triethylamine; p-toluenesulfonyl chloride In dichloromethane at 0 - 25℃; for 1h;
Stage #2: With sodium tetrahydroborate In dichloromethane at 25 - 30℃; for 1.5h;
(Z)-β-(3,4,5-trimethoxyphenyl) α-cyano propenoic acid
350986-48-0

(Z)-β-(3,4,5-trimethoxyphenyl) α-cyano propenoic acid

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 90 percent / H2 / 10 percent Pd/C / ethyl acetate / 2.5 h
2: Na / methanol / 12 h / Heating
3: PCl5; POCl3 / 4 h / Heating
4: H2; AcOH / 10 percent Pd/C / H2O
View Scheme
3,4,5-trimethoxyphenylacetaldehyde
5320-31-0

3,4,5-trimethoxyphenylacetaldehyde

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 99.5 percent / n-BuLi / tetrahydrofuran; hexane / 14 h / Ambient temperature
2: 73.6 percent / POCl3 / 14 h / Ambient temperature
3: 100 percent / NH2OH*HCl, AcONa / ethanol / 14 h / Ambient temperature
4: 93.5 percent / Ac2O / 2 h / Heating
5: 1.) NaOEt / 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h
View Scheme
1-methylthio-3-(3',4',5'-trimethoxyphenyl)propene

1-methylthio-3-(3',4',5'-trimethoxyphenyl)propene

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 73.6 percent / POCl3 / 14 h / Ambient temperature
2: 100 percent / NH2OH*HCl, AcONa / ethanol / 14 h / Ambient temperature
3: 93.5 percent / Ac2O / 2 h / Heating
4: 1.) NaOEt / 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h
View Scheme
3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrolein

3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrolein

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 100 percent / NH2OH*HCl, AcONa / ethanol / 14 h / Ambient temperature
2: 93.5 percent / Ac2O / 2 h / Heating
3: 1.) NaOEt / 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h
View Scheme
3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrolein oxime

3-methylthio-2-(3',4',5'-trimethoxybenzyl)acrolein oxime

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93.5 percent / Ac2O / 2 h / Heating
2: 1.) NaOEt / 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h
View Scheme
3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

3.4.5-trimethoxy-benzoic acid-<3.4.5-trimethoxy-benzoylidenehydrazide>

3.4.5-trimethoxy-benzoic acid-<3.4.5-trimethoxy-benzoylidenehydrazide>

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1) lithium diisopropylamide / 1) THF, -78 deg C, 1 h, 2) -78 deg C, 1 h
2: 79 percent / triethylsilane / trifluoroacetic acid / Ambient temperature
3: 83 percent / ammonia / ethanol / 12 h / 120 °C
View Scheme
Multi-step reaction with 3 steps
1: 1) lithium diisopropylamide / 1) THF, -78 deg C, 1 h, 2) -78 deg C, 1 h
2: 79 percent / triethylsilane / trifluoroacetic acid / Ambient temperature
3: 55 percent / ammonia / ethanol / 8 h / 120 °C
View Scheme
Multi-step reaction with 2 steps
1: 82 percent / methanol / Ambient temperature
2: 1) DMSO, 70 to 75 deg C, 1.0 h, 2) DMSO, 110 deg C, 1.0 h
View Scheme
2,4-dichloro-5-[hydroxy-(3,4,5-trimethoxyphenyl)methyl]pyrimidine
148256-84-2

2,4-dichloro-5-[hydroxy-(3,4,5-trimethoxyphenyl)methyl]pyrimidine

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 79 percent / triethylsilane / trifluoroacetic acid / Ambient temperature
2: 83 percent / ammonia / ethanol / 12 h / 120 °C
View Scheme
Multi-step reaction with 2 steps
1: 79 percent / triethylsilane / trifluoroacetic acid / Ambient temperature
2: 55 percent / ammonia / ethanol / 8 h / 120 °C
View Scheme
2,6-dimethoxy-4-<(N,N-dimethylamino)methyl>phenol
39667-14-6

2,6-dimethoxy-4-<(N,N-dimethylamino)methyl>phenol

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: ethane-1,2-diol / 120 - 160 °C
2: 1.) NaOMe / 1.) DMSO
3: 83 percent / Raney nickel W-5 / 2-methoxy-ethanol; H2O; ethanol / 1 h / 120 °C
View Scheme
4-(2,4-Diamino-6-methylsulfanyl-pyrimidin-5-ylmethyl)-2,6-dimethoxy-phenol
39667-15-7

4-(2,4-Diamino-6-methylsulfanyl-pyrimidin-5-ylmethyl)-2,6-dimethoxy-phenol

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine
738-70-5

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) NaOMe / 1.) DMSO
2: 83 percent / Raney nickel W-5 / 2-methoxy-ethanol; H2O; ethanol / 1 h / 120 °C
View Scheme

Downstream Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View