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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

2,3-Pyrazinedicarboxylic acid Manufacturer/High quality/Best price/In stock

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 Py Razinedica Yboxylic Acid supplier in China

Cas:89-01-0

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for 2,3-Pyrazinedicarboxylic Acid Cas 89-01-0 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at room Package:1kg/bag,25kg/drum or as y

High purity 98%min 2,3-Pyrazinedicarboxylic Acid Cas 89-01-0 with competitive price

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $55.0 / 230.0

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 Py Razinedica Yboxylic Acid

Cas:89-01-0

Min.Order:1

Negotiable

Type:Other

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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

2,3-Pyrazinedicarboxylicacid

Cas:89-01-0

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

2,3-Pyrazinedicarboxylic acid CAS 89-01-0 In stock

Cas:89-01-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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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

high quality 2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Gram

FOB Price: $1.0

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

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

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

New production CAS 89-01-0 with best quality

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:10 Kilogram

FOB Price: $40.0 / 50.0

Type:Trading Company

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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

2,3-Pyrazinedicarboxylic acid/ LIDE PHARMA- Factory supply / Best price

Cas:89-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name: 2,3-Pyrazinedicarboxylic acid CAS: 89-01-0 MF: C6H4N2O4 MW: 168.11 EINECS: 201-875-3 Product Categories: Carboxylic Acids;Pyrazines, Pyrimidines & Pyridazines;Pyrazine;Organic acids;Pyrazines;Pyrazinecarboxylic Acid & Der

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Leader Biochemical Group

About Product Details

China Biggest factory Manufacturer Supply 2,3-Pyrazinedicarboxylic acid CAS 89-01-0

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white crystalline powder Storage:Store in sealed containers

Pharmaceutical Intermediate 2,3-Pyrazinedicarboxylic acid CAS 89-01-0

Cas:89-01-0

Min.Order:100 Gram

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

2,3-Pyrazinedicarboxylicacid 89-01-0

Cas:89-01-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 2,3-Pyrazinedicarboxylic acid MF: C6H4N2O4 MW: 168.11 Mol File: 89-01-0.mol 2,3-Pyrazinedicarboxylic acid Structure 2,3-Pyrazinedicarboxylic acid Chemical Properties Melting point 188 °C (dec.) (lit.) Boiling point

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

2,3-Pyrazinedicarboxylic acid CAS:89-01-0

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2,3-Pyrazinedicarboxylic acid CAS:89-01-0 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

2,3-Pyrazinedicarboxylic acid CAS:89-01-0

Cas:89-01-0

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

2,3-Pyrazinedicarboxylicacid

Cas:89-01-0

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.:89-01-0

Cas:89-01-0

Min.Order:0

Negotiable

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

2,3-Pyrazinedicarboxylic Acid

Cas:89-01-0

Min.Order:0

Negotiable

Type:Manufacturers

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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

pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Name 2,3-Pyrazinedicarboxylic acid Synonyms Pyrazine-2,3-dicarboxylic acid Molecular Structure Molecular For

2,3-Pyrazinedicarboxylicacid

Cas:89-01-0

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

2,3-Pyrazinedicarboxylic Acid/High quality/Best price

Cas:89-01-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: Pyrazine-2,3-Dicarboxylic Acid CAS No.:89-01-0 Molecule Formula:C6H2N2O4 Molecule Weight:166.09 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard TESTIN

High Quality Pyrazine-2,3-Dicarboxylic Acid on stock

Cas:89-01-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

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

2,3-Pyrazinedicarboxylic acid

Cas:89-01-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

pyrazine-2,3-dicarboxylatocopper(II)
46150-15-6

pyrazine-2,3-dicarboxylatocopper(II)

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With water; sodium hydroxide at 90℃; for 2h;73%
2,3-diethynylquinoxaline
91-19-0

2,3-diethynylquinoxaline

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With potassium permanganate In water at 95℃;71%
With potassium hydroxide; potassium permanganate
With water; permanganate(VII) ion
2,3-Diaminosuccinic acid
921-52-8

2,3-Diaminosuccinic acid

Glyoxal
131543-46-9

Glyoxal

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With sodium hydroxide In methanol 1) 50 deg C, 30 min, 2) relux, 3h;70%
polymer-bound 2,3-pyrazinedicarboxylic acid (19)

polymer-bound 2,3-pyrazinedicarboxylic acid (19)

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With potassium hydroxide In 1,4-dioxane; water for 48h; Heating;56.3%
pyrazine-2,3-dicarbonitrile
13481-25-9

pyrazine-2,3-dicarbonitrile

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With potassium hydroxide; dihydrogen peroxide40.3%
beim Verseifen;
With sodium peroxide
Multi-step reaction with 2 steps
1: methanol / 20 °C
2: water / Reflux
View Scheme
Multi-step reaction with 5 steps
1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
4: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
5: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
View Scheme
2,3-pyrazinedicarboxylic anhydride
4744-50-7

2,3-pyrazinedicarboxylic anhydride

water
7732-18-5

water

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

2,3-diethynylquinoxaline
91-19-0

2,3-diethynylquinoxaline

potassium permanganate

potassium permanganate

alkali

alkali

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

3-cyanopyrazine-2-carboxamide
66505-29-1

3-cyanopyrazine-2-carboxamide

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
4: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
View Scheme
3-cyanopyrazine-2-carboxylic acid
70546-26-8

3-cyanopyrazine-2-carboxylic acid

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
View Scheme
3-amidecarbonylpyrazine-2-carboxylic acid
67367-37-7

3-amidecarbonylpyrazine-2-carboxylic acid

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With K3Na[Mo(CN)4O2]·6H2O In ethanol; water at 39.84℃; pH=8.5;
5,5-dimethoxy-5H-pyrrolo[3,4-b]pyrazin-7-ylamine

5,5-dimethoxy-5H-pyrrolo[3,4-b]pyrazin-7-ylamine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
With water Reflux;
pyrazine-2,3-dicarboxamide
6164-78-9

pyrazine-2,3-dicarboxamide

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5
View Scheme
methanol
67-56-1

methanol

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

pyrazine-2,3-dicarboxylic acid dimethyl ester
6164-77-8

pyrazine-2,3-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
With hydrogenchloride In isopropyl alcohol for 24h; Heating;100%
hydrogenchloride In water for 16h; pH=2; Heating / reflux;100%
With thionyl chloride for 5h; Heating;91%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

2,3-Pyrazindicarbonsaeure-dichlorid
52304-61-7

2,3-Pyrazindicarbonsaeure-dichlorid

Conditions
ConditionsYield
With thionyl chloride; N,N-dimethyl-formamide for 5h; Reflux;100%
With thionyl chloride; N,N-dimethyl-formamide for 5h; Reflux;100%
With phosphorus pentachloride at 180℃; for 2h;29%
With thionyl chloride for 18h; Reflux;
With thionyl chloride In N,N-dimethyl-formamide for 5h; Reflux;
hydrogenchloride
7647-01-0

hydrogenchloride

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

water
7732-18-5

water

lead(II) oxide

lead(II) oxide

Pb2Cl2(Hpzdc)2(H2O)2

Pb2Cl2(Hpzdc)2(H2O)2

Conditions
ConditionsYield
With piperazine at 60℃;100%
4-(aminomethyl)pyridine
3731-53-1

4-(aminomethyl)pyridine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

C12H8N4O2
1146213-60-6

C12H8N4O2

Conditions
ConditionsYield
for 0.0333333h; Microwave irradiation;98%
cobalt(II) nitrate hexahydrate

cobalt(II) nitrate hexahydrate

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

water
7732-18-5

water

hydrazine hydrate
7803-57-8

hydrazine hydrate

cobalt(II) 2,3-pyrazinedicarboxylate hydrazinate trihydrate

cobalt(II) 2,3-pyrazinedicarboxylate hydrazinate trihydrate

Conditions
ConditionsYield
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after 1 h, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD;97%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

bismuth(III) oxide
1304-76-3

bismuth(III) oxide

{Bi(pz-2-(COO)-3-(COO))2}(OH)

{Bi(pz-2-(COO)-3-(COO))2}(OH)

Conditions
ConditionsYield
In water soln. of the acid in H2O added to a suspn. of Bi2O3 in H2O, reflux, 48 h, until total consumption of the acid, mixt. cooled to room temp.; filtered, ppt. washed with H2O and EtOH, dried (vac.); elem. anal.;96%
2-Aminomethylthiophene
27757-85-3

2-Aminomethylthiophene

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

C11H7N3O2S
1146213-61-7

C11H7N3O2S

Conditions
ConditionsYield
for 0.05h; Microwave irradiation;96%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

C12H8N4O2
1146213-59-3

C12H8N4O2

Conditions
ConditionsYield
for 0.0333333h; Microwave irradiation;96%
1,4-pyrazine
290-37-9

1,4-pyrazine

copper(I) nitrate trihydrate

copper(I) nitrate trihydrate

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

Conditions
ConditionsYield
With sodium hydroxide for 2h;96%
1,4-pyrazine
290-37-9

1,4-pyrazine

copper(II) nitrate trihydrate

copper(II) nitrate trihydrate

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

Conditions
ConditionsYield
With sodium hydroxide In water for 2h;96%
With sodium hydroxide In water at 25℃; for 2h;1.32 g
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

nickel(II) nitrate hydrate

nickel(II) nitrate hydrate

water
7732-18-5

water

hydrazine hydrate
7803-57-8

hydrazine hydrate

nickel(II) 2,3-pyrazinedicarboxylate hydrazinate trihydrate

nickel(II) 2,3-pyrazinedicarboxylate hydrazinate trihydrate

Conditions
ConditionsYield
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after 1 h, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD;95%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

1,2-diaminocyclohexane
694-83-7

1,2-diaminocyclohexane

C12H12N4O
1225211-01-7

C12H12N4O

Conditions
ConditionsYield
for 0.0666667h; Neat (no solvent); Microwave irradiation;95%
1,4-pyrazine
290-37-9

1,4-pyrazine

copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃; for 1h; Time;95%
1,4-pyrazine
290-37-9

1,4-pyrazine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

copper hydroxide
20427-59-2

copper hydroxide

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃; for 0.5h; pH=6.4; Time;95%
1,4-pyrazine
290-37-9

1,4-pyrazine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

copper nitrate hemi(pentahydrate)

copper nitrate hemi(pentahydrate)

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

[Cu2(2,3-pyrazinedicarboxylate)2(pyrazine)]n

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃; for 1h; Time;95%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

2,3-pyrazinedicarboxylic anhydride
4744-50-7

2,3-pyrazinedicarboxylic anhydride

Conditions
ConditionsYield
With acetic anhydride for 0.0833333h;94%
With acetic anhydride Heating;93%
With acetic anhydride for 0.166667h; Heating;83%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

cadmium(II) nitrate tetrhydrate

cadmium(II) nitrate tetrhydrate

hydrazine hydrate
7803-57-8

hydrazine hydrate

cadmium 2,3-pyrazinedicarboxylate hydrazinate
861888-11-1

cadmium 2,3-pyrazinedicarboxylate hydrazinate

Conditions
ConditionsYield
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after few min, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD;93%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

water
7732-18-5

water

copper(ll) bromide
7789-45-9

copper(ll) bromide

([Cu(pyrazine-2,3-dicarboxylate)(H2O)]4*HBr)n

([Cu(pyrazine-2,3-dicarboxylate)(H2O)]4*HBr)n

Conditions
ConditionsYield
With 2-(1-aminoethylamino)ethanol or triethanolamine In methanol; water CuBr2 (0.02 mol), a ligand (0.02 mol), 2-(2-aminoethylamino)ethanol or triethanolamine (ca. 0.02 mol) were dissolved in MeOH/water (1/1); the soln. was heated at 70-80°C for 2 h with stirring under a reflux condenser; the ppt. was filtered, washed with chloroform and dried in air; elem. anal.;93%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

zinc(II) nitrate hydrate

zinc(II) nitrate hydrate

hydrazine hydrate
7803-57-8

hydrazine hydrate

zinc 2,3-pyrazinedicarboxylate hydrazinate
861888-10-0

zinc 2,3-pyrazinedicarboxylate hydrazinate

Conditions
ConditionsYield
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after few min, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD;92%
TETRAHYDROFURFURYLAMINE
4795-29-3

TETRAHYDROFURFURYLAMINE

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

6-((tetrahydrofuran-2-yl)methyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
1204831-09-3

6-((tetrahydrofuran-2-yl)methyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione

Conditions
ConditionsYield
for 0.05h; Microwave irradiation;92%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Cyclopropylamine
765-30-0

Cyclopropylamine

6-cyclopropyl-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
1204831-10-6

6-cyclopropyl-6H-pyrrolo[3,4-b]pyrazine-5,7-dione

Conditions
ConditionsYield
for 0.0333333h; Microwave irradiation;90%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

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

1,2-diamino-benzene

C12H6N4O
1225211-04-0

C12H6N4O

Conditions
ConditionsYield
for 0.0833333h; Neat (no solvent); Microwave irradiation;90%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

Trimethylenediamine
109-76-2

Trimethylenediamine

6-(3-(5,7-dioxo-5H-pyrrolo[3,4-b]pyrazin-6(7H)-yl)propyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione

6-(3-(5,7-dioxo-5H-pyrrolo[3,4-b]pyrazin-6(7H)-yl)propyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione

Conditions
ConditionsYield
at 135℃; for 0.0666667h; Microwave irradiation;89%
1-(2-aminoethyl)piperidine
27578-60-5

1-(2-aminoethyl)piperidine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

C13H16N4O2
1089731-62-3

C13H16N4O2

Conditions
ConditionsYield
for 0.0833333h; Microwave irradiation;88%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

furan-2-ylmethanamine
617-89-0

furan-2-ylmethanamine

6-(furan-2-ylmethyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione
950259-92-4

6-(furan-2-ylmethyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione

Conditions
ConditionsYield
for 0.0833333h; Microwave irradiation;88%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

water
7732-18-5

water

copper(ll) bromide
7789-45-9

copper(ll) bromide

([Cu3(pyrazine-2,3-dicarboxylic acid)2(pyrazine-2,3-dicarboxylate)2(H2O)3]*2H2O)n

([Cu3(pyrazine-2,3-dicarboxylic acid)2(pyrazine-2,3-dicarboxylate)2(H2O)3]*2H2O)n

Conditions
ConditionsYield
In methanol; water CuBr2 (2.3 mmol) and a ligand (3 mmol) were dissolved in MeOH/water (1/1); the soln. was heated at 70-80°C for 2 h with stirring under a reflux condenser; the ppt. was filtered, washed with chloroform and dried in air; elem. anal.;88%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

silver nitrate

silver nitrate

[Ag2(Hpyzdc)2(μ-dmpyz)]

[Ag2(Hpyzdc)2(μ-dmpyz)]

Conditions
ConditionsYield
With sodium hydroxide In water pH=7;88%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

ethylenediamine
107-15-3

ethylenediamine

6-(2-(5,7-dioxo-5H-pyrrolo[3,4-b]pyrazin-6(7H)-yl)ethyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
134150-46-2

6-(2-(5,7-dioxo-5H-pyrrolo[3,4-b]pyrazin-6(7H)-yl)ethyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione

Conditions
ConditionsYield
at 135℃; for 0.0666667h; Microwave irradiation;88%
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

silver nitrate

silver nitrate

NH4(1+)*Ag(1+)*C4H2N2(CO2)2(2-)=(NH4)[Ag(C4H2N2(CO2)2)]
172043-91-3

NH4(1+)*Ag(1+)*C4H2N2(CO2)2(2-)=(NH4)[Ag(C4H2N2(CO2)2)]

Conditions
ConditionsYield
With NH3 In ammonia aq. ammonia=NH3; molar ratio Ag:carboxylic acid=2:1, in 10% NH3; crystn. on evapn. (room temp., in dark, 3 d); elem. anal.;87%
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

cadmium(II) acetate dihydrate
5743-04-4

cadmium(II) acetate dihydrate

[Cd(pyrazine-2,3-dicarboxylate)(2,2'-bipyridine)]n*nH2O
1100056-86-7

[Cd(pyrazine-2,3-dicarboxylate)(2,2'-bipyridine)]n*nH2O

Conditions
ConditionsYield
With NaOH In water High Pressure; stirring mixt. of cadmium compd., pyrazine deriv., bipyridine, NaOH and water in air for 1 h, heating at 160°C for 3 d; isolation of crystals, washing with water, elem. anal.;86%
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