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Hebei yanxi chemical co.,LTD.

Why choice me: √1, We guarantee deeply analyze and demonstrate, purity more than 99% √ 2, Factory outlet with priority price & large stock. √ 3, Special magic vacuum safe package & safe shipping way.All parcel shipments a

2,6-Dihydroxypurine/Xanthine CAS 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $60.0 / 80.0

Type:Trading Company

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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

Xanthine

Cas:69-89-6

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 2,6-Dihydroxypurine supplier in China

Cas:69-89-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Kono Chem Co.,Ltd

Superiority kono is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in

High Purity Xanthine CAS 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Other

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Xanthine Cas 69-89-6 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at RT Package:25kg/drum or as you required Applicatio

High quality Intermediates Xanthine Cas 69-89-6 with factory low price

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $165.0

Type:Trading Company

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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% Xanthine 69-89-6 GMP Manufacturer

Cas:69-89-6

Min.Order:1 Gram

FOB Price: $0.1

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

Xanthine

Cas:69-89-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Ality Chemical Corporation

English Name:Xanthine Test Method:HPLC Purity:≥98% [Synonyms] 2,6-Dihydroxypurine; Purine-2(3H),6(1H)-dione [CAS No.]69-89-6 [Mol. Formula]C5H4N4O2 [Mol. Weight]152.11 [Botanical Source]Organisms [Loss on drying] ≤2.0% [Catalogue No.

Factory Supply 2,6-Dihydroxypurine

Cas:69-89-6

Min.Order:1 Gram

Negotiable

Type:Other

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

2, 6-dihydroxypurine, xanthine powder CAS 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Pharmaceutical Grade CAS 69-89-6 with competitive price

Cas:69-89-6

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

2,6-Dihydroxypurine CAS:69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $38.0 / 59.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to off-white crystalline powder Storage:Room temperature Package:25kg/drum Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

Manufacture 2,6-Dihydroxypurine Xanthine In Stock CAS:69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

Negotiable

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 or off-white powder Storage:Store in sealed containers

99% High Purity Dioxopurine / 2,6-Dihydroxypurine / Xanthine CAS 69-89-6

Cas:69-89-6

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

Xanthine 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,6-Dihydroxypurine CAS:69-89-6 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

2,6-Dihydroxypurine CAS:69-89-6

Cas:69-89-6

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

Xanthine

Cas:69-89-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

xanthine CAS NO.69-89-6

Cas:69-89-6

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.:69-89-6

Cas:69-89-6

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

Xanthine

Cas:69-89-6

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:White to off-white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Found in animal organs, yeast, patatoes, coffee beans, tea. This d

Xanthine

Cas:69-89-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

2,6-Dihydroxypurine

Cas:69-89-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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NewCan Biotech Limited

NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

Xanthine

Cas:69-89-6

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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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

XANTHINE

Cas:69-89-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

Xanthine

Cas:69-89-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Newgreat Chemical Co., Ltd

Our advantages 1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards. 2.Quality control, GC&HPL

Highquality 2,6-Dihydroxypurine 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Xanthine CAS 69-89-6 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality cont

Xanthine CAS 69-89-6

Cas:69-89-6

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

inquiry

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

2,6-Dihydroxypurine

Cas:69-89-6

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High Purity Xanthine

Cas:69-89-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:White to off-white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum;200kg/drum as per your request Application:Found in

Xanthine

Cas:69-89-6

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

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

Xanthine

Cas:69-89-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

guanine
73-40-5

guanine

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With perchloric acid at 110 - 130℃; for 0.25h;69%
enzymatische Bildung;
With nitric acid
1,3,5-Triazine
290-87-9

1,3,5-Triazine

5,6-diaminouracil
3240-72-0

5,6-diaminouracil

xanthin
69-89-6

xanthin

5-ureido-4-imidazole carboxylate
4919-06-6

5-ureido-4-imidazole carboxylate

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With hydrogenchloride
1H-imidazole-4,5-dicarboxamide
83-39-6

1H-imidazole-4,5-dicarboxamide

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With sodium hydroxide; sodium hypochlorite
6-amino-5-nitrosouracil
5442-24-0

6-amino-5-nitrosouracil

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With sodium metabisulfite; formic acid at 180℃;
With sodium metabisulfite; formic acid at 180℃;
uric Acid
69-93-2

uric Acid

N-formylethylamine
627-45-2

N-formylethylamine

xanthin
69-89-6

xanthin

uric Acid
69-93-2

uric Acid

calcium diformate
544-17-2

calcium diformate

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With calcium hydroxide; water Erhitzen bis zur beginnenden Gasentwicklung;
uric Acid
69-93-2

uric Acid

oxalic acid
144-62-7

oxalic acid

glycerol
56-81-5

glycerol

A

ammelide
645-93-2

ammelide

B

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
at 200℃;
uric Acid
69-93-2

uric Acid

A

1,7-dihydro-6H-purin-6-one
68-94-0

1,7-dihydro-6H-purin-6-one

B

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With water at 180 - 200℃;
formic acid
64-18-6

formic acid

uric Acid
69-93-2

uric Acid

glycerol
56-81-5

glycerol

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
at 225 - 230℃;
uric Acid
69-93-2

uric Acid

Formanilid
103-70-8

Formanilid

xanthin
69-89-6

xanthin

uric Acid
69-93-2

uric Acid

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With oxalic acid; glycerol at 200℃;
With nitrogen oxides; water; Nitrogen dioxide at 70℃;
With formic acid; glycerol at 225 - 230℃;
With cyclothionine; xanthine oxidase In phosphate buffer at 25℃; pH=6.5; Equilibrium constant; Further Variations:; Reagents;
uric Acid
69-93-2

uric Acid

A

ammelide
645-93-2

ammelide

B

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With oxalic acid; glycerol at 200℃;
6-amino-5-formylamino-1H-pyrimidine-2,4-dione
10184-00-6

6-amino-5-formylamino-1H-pyrimidine-2,4-dione

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With formic acid
5-acetylamino-6-amino-1H-pyrimidine-2,4-dione
10184-01-7

5-acetylamino-6-amino-1H-pyrimidine-2,4-dione

xanthin
69-89-6

xanthin

5-sulfaminouracil
5435-16-5

5-sulfaminouracil

xanthin
69-89-6

xanthin

5-Aminoimidazole-4-carboxamide
360-97-4

5-Aminoimidazole-4-carboxamide

urea
57-13-6

urea

xanthin
69-89-6

xanthin

5,6-diaminouracil sulfate
42965-55-9

5,6-diaminouracil sulfate

xanthin
69-89-6

xanthin

1,7-dihydro-6H-purin-6-one
68-94-0

1,7-dihydro-6H-purin-6-one

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
enzymatische Bildung;
With xanthine oxidase Enzymatic reaction;
1,7-dihydro-6H-purin-6-one
68-94-0

1,7-dihydro-6H-purin-6-one

A

uric Acid
69-93-2

uric Acid

B

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
bei enzymatischen Oxydation;
5-(phenylazo)-6-aminouracil
6979-73-3

5-(phenylazo)-6-aminouracil

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With nickel; formamide at 180℃; under 66195.7 Torr; Hydrogenation;
adenosine
58-61-7

adenosine

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
at 39℃; bei der Einw. von waessr.Extrakt aus menschlicher Leber;
guanine
73-40-5

guanine

A

uric Acid
69-93-2

uric Acid

B

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
Verfuetterung an Enten;
2-amino-1,9-dihydro-6H-purin-6-one
73-40-5

2-amino-1,9-dihydro-6H-purin-6-one

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With sodium azide; phosphate buffer; guanase in serum; McIlvaine buffer; (E)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazine;hydrochloride; N,N-dimethyl-aniline; citric acid; xanthine oxidase; peroxidase 1.) pH=6.2; 2.) pH=3.5; 3.) standard assay of guanase activity in serum;
xanthine radical
69-89-6

xanthine radical

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With p-methoxyphenolate In water at 20℃; Rate constant; Equilibrium constant; pH 13.0; further reagent;
xanthosine
146-80-5

xanthosine

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With hydrogenchloride In water at 25℃; Rate constant;
2.6-diiodopurine

2.6-diiodopurine

xanthin
69-89-6

xanthin

Conditions
ConditionsYield
With hydrogenchloride at 100℃;
hydrogenchloride
7647-01-0

hydrogenchloride

2-((6-oxo-6,7-dihydro-1H-purin-2-yl)thio)acetic acid

2-((6-oxo-6,7-dihydro-1H-purin-2-yl)thio)acetic acid

xanthin
69-89-6

xanthin

methyl bromide
74-83-9

methyl bromide

xanthin
69-89-6

xanthin

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
58-08-2

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions
ConditionsYield
With solution aqueuse d'hydroxide de sodium; tetrabutylammomium bromide In dichloromethane 1)room temp. 12h 2)reflux 3h;100%
chromium perchlorate hydrate

chromium perchlorate hydrate

xanthin
69-89-6

xanthin

Cr(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)=[Cr(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4

Cr(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)=[Cr(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:3), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;100%
zirconyl chloride octahydrate

zirconyl chloride octahydrate

xanthin
69-89-6

xanthin

ZrO(2+)*2(C5H4N4(O)2)*C5H3N4(O)2(1-)*Cl(1-)*H2O = ZrO(C5H4N4(O)2)2(C5H3N4(O)2)Cl*H2O

ZrO(2+)*2(C5H4N4(O)2)*C5H3N4(O)2(1-)*Cl(1-)*H2O = ZrO(C5H4N4(O)2)2(C5H3N4(O)2)Cl*H2O

Conditions
ConditionsYield
In ethanol Zr-compound refluxed in ethanol/triethyl orthoformate for 2 h; N-compound added and refluxed for 36 h; cooled to room temp.; filtered; washed with acetone; elem. anal.;91%
xanthin
69-89-6

xanthin

8-bromo-3,7-dihydro-1H-purine-2,6-dione
10357-68-3

8-bromo-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With bromine In water at 100℃; for 4h; Sealed tube; Inert atmosphere;90%
With bromine In water at 100℃; Sealed tube;71%
With bromine at 100℃;
With bromine In water at 100℃;18.4 g
With bromine In water at 100℃; Inert atmosphere;3.05 g
[13C]methyl iodide
4227-95-6

[13C]methyl iodide

xanthin
69-89-6

xanthin

(trimethyl-13C3)caffeine

(trimethyl-13C3)caffeine

Conditions
ConditionsYield
With sodium hydroxide In acetone for 24h; Ambient temperature;90%
[(AuBr)2(μ-1,3-bis(diphenylphosphino)propane)]
173417-21-5

[(AuBr)2(μ-1,3-bis(diphenylphosphino)propane)]

xanthin
69-89-6

xanthin

[Au2(μ-xanthinate(2-))(μ-1,3-bis(diphenylphosphino)propane)]
178314-59-5

[Au2(μ-xanthinate(2-))(μ-1,3-bis(diphenylphosphino)propane)]

Conditions
ConditionsYield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;90%
iron(III) perchlorate hydrate

iron(III) perchlorate hydrate

xanthin
69-89-6

xanthin

Fe(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4*H2O

Fe(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:3), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;86.2%
methylmercuric nitrate
2374-27-8

methylmercuric nitrate

methylmercury(II) hydroxide
1184-57-2

methylmercury(II) hydroxide

xanthin
69-89-6

xanthin

(CH3Hg)3N3H(CO)2C2NCH(1+)*NO3(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHNO3*H2O

(CH3Hg)3N3H(CO)2C2NCH(1+)*NO3(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHNO3*H2O

Conditions
ConditionsYield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgNO3 in H2O, soln. was stirred for 1 h, allowed to cool,; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;86%
xanthin
69-89-6

xanthin

N,N'-dicyclohexyl-O-methyl isourea
6257-10-9

N,N'-dicyclohexyl-O-methyl isourea

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
58-08-2

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 48h;85%
xanthin
69-89-6

xanthin

methyl iodide
74-88-4

methyl iodide

A

7,9-dimethylxanthinium iodide
86180-29-2

7,9-dimethylxanthinium iodide

B

1,7,9-trimethylxanthinium iodide
86180-33-8

1,7,9-trimethylxanthinium iodide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 110℃; for 5h; closed Kjeldahl flask;A 85%
B 10%
copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

2,2',2''-triaminotriethylamine
4097-89-6

2,2',2''-triaminotriethylamine

xanthin
69-89-6

xanthin

[Cu(tris(2-aminoethyl)amine)(xanthine)](ClO4)2*3H2O

[Cu(tris(2-aminoethyl)amine)(xanthine)](ClO4)2*3H2O

Conditions
ConditionsYield
With NaOH In methanol; water xanthine was dissolved in an aq. soln. of min NaOH, a methanolic soln. of Ni-salt was added, treated with amine, (xanthine:Cu-salt:amine=1:2:2),the mixt. (pH 7-8) was allowed to stand at room temp. for 2 weeks; elem. anal.;85%
methylmercury(II) hydroxide
1184-57-2

methylmercury(II) hydroxide

xanthin
69-89-6

xanthin

(CH3Hg)3N3(CO)2C2NCH*2H2O

(CH3Hg)3N3(CO)2C2NCH*2H2O

Conditions
ConditionsYield
With NH4OH In not given ligand was suspended in mixt. of concd. NH4OH and MeHgOH, suspn. was refluxed for 4 d, allowed to cool to room temp.; after 2 d ppt. was filtered, dried in vac.; elem. anal.;83%
methylmercury(II)ClO4
40661-97-0

methylmercury(II)ClO4

methylmercury(II) hydroxide
1184-57-2

methylmercury(II) hydroxide

xanthin
69-89-6

xanthin

(CH3Hg)3N3H(CO)2C2NCH(1+)*ClO4(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHClO4*H2O

(CH3Hg)3N3H(CO)2C2NCH(1+)*ClO4(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHClO4*H2O

Conditions
ConditionsYield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgClO4 in H2O,soln. was stirred for 1 h, allowed to cool,; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;83%
methylmercuric nitrate
2374-27-8

methylmercuric nitrate

methylmercury(II) hydroxide
1184-57-2

methylmercury(II) hydroxide

xanthin
69-89-6

xanthin

(CH3Hg)4N3(CO)2C2NCH(1+)*NO3(1-)=(CH3Hg)4N3(CO)2C2NCHNO3

(CH3Hg)4N3(CO)2C2NCH(1+)*NO3(1-)=(CH3Hg)4N3(CO)2C2NCHNO3

Conditions
ConditionsYield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgNO3 in H2O, soln. was stirred for 1 h; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;83%
μ-{1,2-bis(diphenylphosphino)butane}-dibromodigold(I)
101841-62-7

μ-{1,2-bis(diphenylphosphino)butane}-dibromodigold(I)

xanthin
69-89-6

xanthin

[Au2(μ-xanthinate(2-))(μ-1,4-bis(diphenylphosphino)butane)] * H2O
178314-60-8

[Au2(μ-xanthinate(2-))(μ-1,4-bis(diphenylphosphino)butane)] * H2O

Conditions
ConditionsYield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;82%
[(AuBr)2(μ-1,2-bis(dimethylphosphino)ethane)]
178314-67-5

[(AuBr)2(μ-1,2-bis(dimethylphosphino)ethane)]

xanthin
69-89-6

xanthin

[Au2(μ-xanthinate(2-))(μ-1,2-bis(dimethylphosphino)ethane)] * 3 H2O

[Au2(μ-xanthinate(2-))(μ-1,2-bis(dimethylphosphino)ethane)] * 3 H2O

Conditions
ConditionsYield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;80%

2,2',2''-triaminotriethylamine
4097-89-6

2,2',2''-triaminotriethylamine

xanthin
69-89-6

xanthin

[Cd(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O
1137597-15-9

[Cd(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O

Conditions
ConditionsYield
With KOH In methanol; water xanthine was dissolved in an aq. soln. of min KOH, a methanolic soln. ofCd-salt was added, treated with amine, the mixt. (pH 9-10) was allowed to stand at room temp. for 1 week; elem. anal.;78%
(hydrotris(3-p-cumenylmethylpyrazolyl)borate)Zn(OH)

(hydrotris(3-p-cumenylmethylpyrazolyl)borate)Zn(OH)

xanthin
69-89-6

xanthin

(tris(3-cumenyl-5-methylpyrazolyl)borate)Zn(xanthinate)

(tris(3-cumenyl-5-methylpyrazolyl)borate)Zn(xanthinate)

Conditions
ConditionsYield
In methanol; dichloromethane addn. of 1 equiv. ligand (in MeOH) to Zn-complex (in CH2Cl2), stirring for 2 h; vol. reduction (vac.), crystn. (4°C, 1 d), collection (filtration), drying (vac.); elem. anal.;77%
nickel(II) perchlorate hydrate

nickel(II) perchlorate hydrate

xanthin
69-89-6

xanthin

Ni(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Ni(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Ni(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Ni(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;76.2%
cobalt(II) perchlorate hydrate

cobalt(II) perchlorate hydrate

xanthin
69-89-6

xanthin

Co(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Co(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Co(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Co(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;75.7%
carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

xanthin
69-89-6

xanthin

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
58-08-2

3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions
ConditionsYield
With 18-crown-6 ether In N,N-dimethyl-formamide at 90℃; for 12h;74%
Co(II) chloride hydrate

Co(II) chloride hydrate

xanthin
69-89-6

xanthin

Co(xnH)2(xn)Cl

Co(xnH)2(xn)Cl

Conditions
ConditionsYield
In ethyl acetate Co salt dissolved in a 7:3 (vol./vol.) mixture of triethyl orthoformate-ethyl acetate, refluxed (1 h), addn. of a warmed slurry of the ligand in the same solvent, refluxed (1 wk), allowed to cool to room temp.; collected by gravity filtration, washed thoroughly (anhydrous diethyl ether), stored (vac., anhydrous CaSO4); elem. anal.;73%
iron(II) perchlorate hydrate

iron(II) perchlorate hydrate

xanthin
69-89-6

xanthin

Fe(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Fe(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;71.6%
methylmercury(II)ClO4
40661-97-0

methylmercury(II)ClO4

methylmercury(II) hydroxide
1184-57-2

methylmercury(II) hydroxide

xanthin
69-89-6

xanthin

(CH3Hg)4N3(CO)2C2NCH(1+)*ClO4(1-)*2H2O=(CH3Hg)4N3(CO)2C2NCHClO4*2H2O

(CH3Hg)4N3(CO)2C2NCH(1+)*ClO4(1-)*2H2O=(CH3Hg)4N3(CO)2C2NCHClO4*2H2O

Conditions
ConditionsYield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgClO4 in H2O,soln. was stirred for 1 h; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;70%
dimethyl sulfate
77-78-1

dimethyl sulfate

xanthin
69-89-6

xanthin

7,9-dimethylxanthinium hydrogensulfate

7,9-dimethylxanthinium hydrogensulfate

Conditions
ConditionsYield
at 150℃; for 5h; closed Kjeldahl flask;69%
zinc perchlorate

zinc perchlorate

2,2',2''-triaminotriethylamine
4097-89-6

2,2',2''-triaminotriethylamine

xanthin
69-89-6

xanthin

[Zn(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O
1137597-11-5

[Zn(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O

Conditions
ConditionsYield
With NaOH In methanol; water xanthine was dissolved in an aq. soln. of min NaOH, a methanolic soln. of Zn-salt and amine-compound was added, the mixt. (pH 8-9) was allowed to stand at room temp. for 1 month; elem. anal.;69%
manganese(II) perchlorate hydrate

manganese(II) perchlorate hydrate

xanthin
69-89-6

xanthin

Mn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Mn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Mn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Mn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;65.4%
zinc(II) perchlorate hydrate

zinc(II) perchlorate hydrate

xanthin
69-89-6

xanthin

Zn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Zn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Zn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Zn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Conditions
ConditionsYield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;62.5%
nickel(II) perchlorate hexahydrate

nickel(II) perchlorate hexahydrate

2,2',2''-triaminotriethylamine
4097-89-6

2,2',2''-triaminotriethylamine

xanthin
69-89-6

xanthin

[Ni(tris(2-aminoethyl)amine)(xanthine-H)(H2O)]ClO4*H2O
1137597-19-3

[Ni(tris(2-aminoethyl)amine)(xanthine-H)(H2O)]ClO4*H2O

Conditions
ConditionsYield
With KOH In methanol; water xanthine was dissolved in an aq. soln. of min KOH, a methanolic soln. ofNi-salt was added, treated with amine, the mixt. (pH 8-9) was allowed t o stand at room temp. for 2 days; elem. anal.;62%
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