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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s 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. DayangChem can provide different quantiti

High purity Theophylline 98% TOP1 supplier in China

Cas:58-55-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Specification of Theophylline / Theophylline Anhydrous ANALYSIS CONTENT ANALYSIS STANTARD ANALYSIS RESULT CHARACTERISTICS WHITE CRYSTALLINE PODWER PASS IDE

CAS 58-55-9 Theophylline

Cas:58-55-9

Min.Order:5 Kilogram

FOB Price: $45.0 / 60.0

Type:Trading Company

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Hangzhou Huarong Pharm Co., Ltd.

DMF GMP are all available! Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and services to our clients in the field of small molecule drug. Huarong Pharm has built platforms for the resea

Theophylline DMF GMP

Cas:58-55-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

Theophylline

Cas:58-55-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

Founded in 2014, as a professional international pharmaceutical corporation, headquartered in Xi'an (China), KonoChemCo., Ltd. is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, healt

Theophylline cas 58-55-9

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Other

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Theophylline Cas 58-55-9 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:Store in 2-8℃ Package:25kg

Factory high quality and best price Theophylline Cas 58-55-9 in BP/USP standard

Cas:58-55-9

Min.Order:25 Kilogram

FOB Price: $20.0 / 22.5

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 Theophylline

Cas:58-55-9

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

High Quality 99% Theophylline 58-55-9 ISO Producer

Cas:58-55-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Theophylline

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $1.0

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

Theophylline Anhydrous

Cas:58-55-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

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

High purity Theophylline 98% TOP1 supplier in China

Cas:58-55-9

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Hubei DiBo chemical co., LTD

Name:Theophylline CAS NO: 58-55-9 Grade:Medical scientific research and export Molecular formula:C7H8N4O2 Molecular weight:180.16 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data st

Theophylline/cas:58-55-9/Raw material spot

Cas:58-55-9

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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

Theophylline / LIDE PHARMA- Factory supply / Best price

Cas:58-55-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

558-55-9 Theophylline

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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

Top Purity CAS 58-55-9 with fast shipping

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

Fine chemical raw powder Theophylline CAS58-55-9

Cas:58-55-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

Manufacturer 99% Theophylline White Powder 58-55-9 For Heart Failure

Cas:58-55-9

Min.Order:10 Pound

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

Top Quality Theophylline Anhydrous Powder CAS 58-55-9 Theophylline Anhydrous

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

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

Theophylline 58-55-9

Cas:58-55-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Theophylline/CAS:58-55-9

Cas:58-55-9

Min.Order:5 Gram

FOB Price: $45.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply High quality Theophylline CAS 58-55-9 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 e

High quality Theophylline CAS 58-55-9

Cas:58-55-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We generally use secure shipping methods that do not require you to do any customs clearance. Free shipping to your address without worrying about any customs issues. We have a professional customs clearance team to 100% guarantee the safe delivery o

CAS 58-55-9 C7H8N4O2 Door to Door Delivery

Cas:58-55-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

Top Quality Theophylline Powder cas 58-55-9 with Good Price AKS

Cas:58-55-9

Min.Order:1 Kilogram

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

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

Cas:58-55-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,

Theophylline CAS NO.: 58-55-9

Cas:58-55-9

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

inquiry

Wuhan Wonda Pharm Limited

1.High Quality: Quality is life. Quality is the most important element for all goods. We have a lab doing research in Wuhan China and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers thr

high purity Alkaloids Theophylline CAS 58-55-9 with the best price

Cas:58-55-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

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

Theophylline

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $20.0 / 40.0

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie

China Biggest Factory & Manufacturer supply Theophylline 58-55-9

Cas:58-55-9

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

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

Theophylline

Cas:58-55-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting Theophylline anhydrous(1,3-Dimethylxanthine;Theophylline), CAS:58-55-9 , Please contact us by email freely. We are leading exporter in Chi

Synthetic route

1,3-dimethyl-4-amino-5-(formylamino)uracil
7597-60-6

1,3-dimethyl-4-amino-5-(formylamino)uracil

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With triethylamine; 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride In water at 75℃; under 4500.45 Torr; for 0.916667h; Pressure; Temperature; Autoclave;97.7%
With sodium hydroxide; sodium chloride
With sodium hydroxide
at 250 - 260℃;
With sulfuric acid at 90℃; pH=5; pH-value; Temperature; Reagent/catalyst;
Methyl formate
107-31-3

Methyl formate

1,3-Dimethylxanthine potassium salt
57533-87-6

1,3-Dimethylxanthine potassium salt

A

theophylline
58-55-9

theophylline

B

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 methanolA 97.5%
B n/a
7-amino-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
81281-58-5

7-amino-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water at 5℃; for 1h;95%
7-(2,4-dimethoxybenzyl)-1,3-dimethyl-3,7-dihydropurine-2,6-dione

7-(2,4-dimethoxybenzyl)-1,3-dimethyl-3,7-dihydropurine-2,6-dione

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;87%
(1,3-Dimethyl-2,6(1H,3H)-dioxopurin-7-yl)(phenyl)methyl acetate
226386-40-9

(1,3-Dimethyl-2,6(1H,3H)-dioxopurin-7-yl)(phenyl)methyl acetate

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With hydrogenchloride In methanol Ambient temperature;78%
1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-9H-purine-9-carbonitrile
124093-03-4

1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-9H-purine-9-carbonitrile

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
In water for 1h; Reflux;77%
N-(1,3-dimethyl-6-nitro-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-formamide
624734-82-3

N-(1,3-dimethyl-6-nitro-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-formamide

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With iron; acetic acid for 0.5h; Heating;75%
2,2-dimethyl-propionic acid 1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-ylmethyl ester
64210-71-5

2,2-dimethyl-propionic acid 1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-ylmethyl ester

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
68%
7-(2-acetamido-4,6-di-O-acetyl-2,3-dideoxy-D-threo-hex-2-enopyranosyl)theophylline
80035-38-7, 80035-40-1, 80035-42-3

7-(2-acetamido-4,6-di-O-acetyl-2,3-dideoxy-D-threo-hex-2-enopyranosyl)theophylline

A

theophylline
58-55-9

theophylline

B

7-(methyl 2-acetamido-6-O-acetyl-2,3,4-trideoxy-α-D-threo-hex-2-enopyranosid-4-yl)theophylline
70800-68-9

7-(methyl 2-acetamido-6-O-acetyl-2,3,4-trideoxy-α-D-threo-hex-2-enopyranosid-4-yl)theophylline

C

7-(methyl 2-acetamido-6-O-acetyl-2,3,4-trideoxy-β-D-erythro-hex-2-enopyranosid-4-yl)theophylline
70675-25-1

7-(methyl 2-acetamido-6-O-acetyl-2,3,4-trideoxy-β-D-erythro-hex-2-enopyranosid-4-yl)theophylline

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In methanol for 0.25h; Heating;A n/a
B 54%
C 12%
formic acid
64-18-6

formic acid

4,5-Diamino-1,3-dimethyluracil
5440-00-6

4,5-Diamino-1,3-dimethyluracil

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
at 110 - 300℃; for 2.33333h;51%
With hydrogenchloride; sodium hydroxide at 90℃; Yield given;
7-azido-1,3-dimethylpteridine-2,4(1H,3H)-dione
124093-02-3

7-azido-1,3-dimethylpteridine-2,4(1H,3H)-dione

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
In N,N-dimethyl acetamide for 0.25h; Reflux;50%
7-(2-acetamido-4,6-di-O-acetyl-2,3-dideoxy-D-threo-hex-2-enopyranosyl)theophilline
80035-41-2, 80035-43-4

7-(2-acetamido-4,6-di-O-acetyl-2,3-dideoxy-D-threo-hex-2-enopyranosyl)theophilline

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In methanol Product distribution;48%
1,3-dimethyl-5-bromo-6-methylaminopyrimidine-2,4-dione
98333-72-3

1,3-dimethyl-5-bromo-6-methylaminopyrimidine-2,4-dione

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With sodium azide In N,N-dimethyl-formamide Ambient temperature;47%
4,5-Diamino-1,3-dimethyluracil
5440-00-6

4,5-Diamino-1,3-dimethyluracil

Vilsmeier reagent
3724-43-4, 149409-22-3

Vilsmeier reagent

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
In toluene 1.) RT, 2.) reflux;44%
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

A

theophylline
58-55-9

theophylline

B

theobromine /
83-67-0

theobromine /

Conditions
ConditionsYield
With sodium thiophenolate at 250℃; for 1.5h;A 37%
B 21%
6-amino-5-bromo-1,3-dimethylpyrimidine-2,4(1H,3H)-dione
7150-04-1

6-amino-5-bromo-1,3-dimethylpyrimidine-2,4(1H,3H)-dione

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
for 7h; Reflux;35%
3,7-Dihydro-1,3-dimethyl-2,6-dioxo-1H-purin-7-carbonsaeure-ethylester
101774-91-8

3,7-Dihydro-1,3-dimethyl-2,6-dioxo-1H-purin-7-carbonsaeure-ethylester

A

theophylline
58-55-9

theophylline

B

(E)-1,2-diphenyl-ethene
103-30-0

(E)-1,2-diphenyl-ethene

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-anti-10,syn-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester
130195-61-8

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-anti-10,syn-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester

Conditions
ConditionsYield
In dichloromethane at 25 - 30℃; for 12h; Irradiation;A 8%
B 23%
C 6%
(E)-1,2-diphenyl-ethene
103-30-0

(E)-1,2-diphenyl-ethene

3,7-Dihydro-1,3-dimethyl-2,6-dioxo-1H-purin-7-carbonsaeure-ethylester
101774-91-8

3,7-Dihydro-1,3-dimethyl-2,6-dioxo-1H-purin-7-carbonsaeure-ethylester

A

theophylline
58-55-9

theophylline

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-syn-10,anti-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester
130149-72-3

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-syn-10,anti-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-anti-10,syn-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester
130195-61-8

3,4,5,7-Tetrahydro-1,3-dimethyl-2,6-dioxo-anti-10,syn-11-diphenyl-4,5-ethano-1H-purin-7-carbonsaeure-ethylester

Conditions
ConditionsYield
In dichloromethane at 25 - 30℃; for 12h; Irradiation;A 8%
B 23%
C 6%
N-(1,3-dimethyl-5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)formamide

N-(1,3-dimethyl-5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)formamide

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With acetic acid; zinc for 0.666667h; Reflux;20%
With iron; acetic acid at 119℃; for 0.516667h; Temperature; Reflux;
With iron; acetic acid at 122℃; for 0.533333h; Temperature; Reflux;
isoalantolactone
470-17-7

isoalantolactone

8-bromotheophylline
10381-75-6

8-bromotheophylline

A

theophylline
58-55-9

theophylline

B

1,3-dimethyl-7-(((3R,3aR,4aS,8aR,9aR)-8a-methyl-5-methylene-2-oxododecahydronaphtho[2,3-b]furan-3-yl)methyl)-1H-purine-2,6(3H,7H)dione

1,3-dimethyl-7-(((3R,3aR,4aS,8aR,9aR)-8a-methyl-5-methylene-2-oxododecahydronaphtho[2,3-b]furan-3-yl)methyl)-1H-purine-2,6(3H,7H)dione

C

1,3-dimethyl-8-(((4aS,8aR,9aS)-8a-methyl-5-methylene-2-oxo-2,4,4a,5,6,7,8,8a,9,9a-decahydronaphtho[2,3-b]furan-3-yl)methyl)-1H-purine-2,6(3H,7H)dione

1,3-dimethyl-8-(((4aS,8aR,9aS)-8a-methyl-5-methylene-2-oxo-2,4,4a,5,6,7,8,8a,9,9a-decahydronaphtho[2,3-b]furan-3-yl)methyl)-1H-purine-2,6(3H,7H)dione

D

1,3-dimethyl-8-((E)-((3aR,4aS,8aR,9aR)-8a-methyl-5-methylene-2-oxodecahydronaphtho[2,3-b]furan-3(2H)ylidene)methyl)-1H-purine-2,6(3H,7H)dione

1,3-dimethyl-8-((E)-((3aR,4aS,8aR,9aR)-8a-methyl-5-methylene-2-oxodecahydronaphtho[2,3-b]furan-3(2H)ylidene)methyl)-1H-purine-2,6(3H,7H)dione

Conditions
ConditionsYield
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 120℃; for 20h; Heck Reaction; Inert atmosphere; Molecular sieve; Sealed tube;A n/a
B 17%
C 6%
D 20%
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

A

theophylline
58-55-9

theophylline

B

theobromine /
83-67-0

theobromine /

C

paraxanthine
611-59-6

paraxanthine

Conditions
ConditionsYield
With hepatic cytochrome P450 Enzymatic reaction;A 7%
B 12%
C n/a
1,3,5-Triazine
290-87-9

1,3,5-Triazine

4,5-Diamino-1,3-dimethyluracil
5440-00-6

4,5-Diamino-1,3-dimethyluracil

theophylline
58-55-9

theophylline

6-Amino-1,3-dimethylbarbituric acid
6642-31-5

6-Amino-1,3-dimethylbarbituric acid

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With formic acid; sodium nitrite anschliessendes Erhitzen mit Na2S2O4 auf 200grad;
With formic acid; sodium nitrite anschliessendes Erhitzen mit Na2S2O4 auf 200grad;
4,5-Diamino-1,3-dimethyluracil
5440-00-6

4,5-Diamino-1,3-dimethyluracil

theophylline
58-55-9

theophylline

1,3-dimethyl-4-amino-5-(formylamino)uracil
7597-60-6

1,3-dimethyl-4-amino-5-(formylamino)uracil

potassium ethoxide
917-58-8

potassium ethoxide

theophylline
58-55-9

theophylline

8-chlorotheophylline
85-18-7

8-chlorotheophylline

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With water; zinc
With tetralin; iodine
With sodium hydroxide; palladium-barium carbonate at 105℃; under 29420.3 Torr; Hydrogenation;
bei der elektrochemischen Reduktion an einer Quecksilber-Kathode;
bei der elektrolytischen Reduktion an Bleikathoden;
5-acetylamino-6-amino-1,3-dimethyl-1H-pyrimidine-2,4-dione
10184-41-5

5-acetylamino-6-amino-1,3-dimethyl-1H-pyrimidine-2,4-dione

theophylline
58-55-9

theophylline

7-(hydroxymethyl)theophylline
31542-43-5

7-(hydroxymethyl)theophylline

A

formaldehyd
50-00-0

formaldehyd

B

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
at 165 - 170℃;
6-amino-1,3-dimethyl-5-phenylazouracilate
122707-25-9

6-amino-1,3-dimethyl-5-phenylazouracilate

theophylline
58-55-9

theophylline

Conditions
ConditionsYield
With nickel at 140℃; under 66195.7 Torr; Hydrogenation;
theophylline
58-55-9

theophylline

C7H4(2)H4N4O2

C7H4(2)H4N4O2

Conditions
ConditionsYield
With deuterium In water-d2 at 55℃; under 1500.15 Torr; for 36h; Glovebox;100%
theophylline
58-55-9

theophylline

4-(methoxymethoxy)-3-nitrobenzyl bromide
99132-02-2

4-(methoxymethoxy)-3-nitrobenzyl bromide

methoxymethylphidolopin
99131-99-4

methoxymethylphidolopin

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide Ambient temperature;99%
theophylline
58-55-9

theophylline

1,2-dichloro-ethane
107-06-2

1,2-dichloro-ethane

7-(2-chloroethyl)-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione
5878-61-5

7-(2-chloroethyl)-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 for 4h; Heating;99%
With sodium hydroxide In water; isopropyl alcohol at 78 - 80℃; for 76.5h; Heating;90%
In water; dimethyl sulfoxide
theophylline
58-55-9

theophylline

benzyl 2-bromopropionate
3017-53-6

benzyl 2-bromopropionate

benzyl 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)propanoate

benzyl 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)propanoate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere; Schlenk technique;99%
methyl bromide
74-83-9

methyl bromide

theophylline
58-55-9

theophylline

A

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

B

3-benzyladenine
7280-81-1

3-benzyladenine

Conditions
ConditionsYield
With solution aqueuse d'hydroxide de sodium; tetrabutylammomium bromide In dichloromethane 1)20 deg C, 12h 2)40 deg C, 3h;A 98%
B n/a
theophylline
58-55-9

theophylline

1,3-dibromo-propane
109-64-8

1,3-dibromo-propane

7-(3-bromo-propyl)-1,3-dimethyl-3,7-dihydro-purine-2,6-dione
23146-06-7

7-(3-bromo-propyl)-1,3-dimethyl-3,7-dihydro-purine-2,6-dione

Conditions
ConditionsYield
With sodium hydroxide; Aliquat 336 for 2h; Heating;98%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h;91%
With triethylamine In N,N-dimethyl-formamide at 60℃;77%
theophylline
58-55-9

theophylline

C7H(2)H7N4O2
1220356-90-0

C7H(2)H7N4O2

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; water-d2 at 160℃; for 24h;97%
theophylline
58-55-9

theophylline

1,3-Dimethylxanthine potassium salt
57533-87-6

1,3-Dimethylxanthine potassium salt

Conditions
ConditionsYield
With potassium hydroxide In water for 0.166667h;97%
ethyl bromide
74-96-4

ethyl bromide

theophylline
58-55-9

theophylline

7-ethyl-1,3-dimethyl-3,7-dihydro-purine-2,6-dione
23043-88-1

7-ethyl-1,3-dimethyl-3,7-dihydro-purine-2,6-dione

Conditions
ConditionsYield
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane at 40℃; for 24h;96%
With potassium hydroxide at 100℃;
theophylline
58-55-9

theophylline

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

N7-tosyltheophylline
68696-86-6

N7-tosyltheophylline

Conditions
ConditionsYield
With triethylamine In acetonitrile Reflux;96%
theophylline
58-55-9

theophylline

fluoroiodomethane
373-53-5

fluoroiodomethane

7-(fluoromethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione

7-(fluoromethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 20℃; for 6h; chemoselective reaction;96%
pyridine
110-86-1

pyridine

theophylline
58-55-9

theophylline

8-pyridinium theophyllinate
52943-89-2

8-pyridinium theophyllinate

Conditions
ConditionsYield
With chloramine-B for 0.166667h; Ambient temperature;95%
theophylline
58-55-9

theophylline

6-thiotheophylline
2398-70-1

6-thiotheophylline

Conditions
ConditionsYield
With Lawessons reagent; aluminum oxide for 0.166667h; microwave irradiation;95%
4-chlorobutyl bromide
6940-78-9

4-chlorobutyl bromide

theophylline
58-55-9

theophylline

7-(4-chlorobutyl)theophylline
59663-15-9

7-(4-chlorobutyl)theophylline

Conditions
ConditionsYield
Stage #1: theophylline With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.166667h;
Stage #2: 4-chlorobutyl bromide In N,N-dimethyl-formamide at 20℃; for 24h; Further stages.;
95%
theophylline
58-55-9

theophylline

methyl iodide
74-88-4

methyl iodide

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 sodium hydride In dimethyl sulfoxide for 0.75h;95%
With sodium hydride In dimethyl sulfoxide at 20℃; for 24h; Reagent/catalyst;90%
theophylline
58-55-9

theophylline

Di-tert-butyl acetylenedicarboxylate
66086-33-7

Di-tert-butyl acetylenedicarboxylate

triphenylphosphine
603-35-0

triphenylphosphine

di-tert-butyl 2-(theophylline-7-yl)-3-(triphenylphosphoranylidene)-butanedioate
1268809-87-5

di-tert-butyl 2-(theophylline-7-yl)-3-(triphenylphosphoranylidene)-butanedioate

Conditions
ConditionsYield
In diethyl ether at -5 - 20℃; for 10h; chemoselective reaction;95%
triphenyl phosphite
101-02-0

triphenyl phosphite

theophylline
58-55-9

theophylline

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (2RS,3SR)-2-(diphenoxyphosphinyl)-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-yl)succinate

dimethyl (2RS,3SR)-2-(diphenoxyphosphinyl)-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-yl)succinate

Conditions
ConditionsYield
In acetonitrile at 20℃; for 24h; diastereoselective reaction;95%
theophylline
58-55-9

theophylline

1-bromomethyl-4-nitro-benzene
100-11-8

1-bromomethyl-4-nitro-benzene

1,3-dimethyl-7-(4-nitrobenzyl)xanthine
7278-47-9

1,3-dimethyl-7-(4-nitrobenzyl)xanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Schlenk technique;95%
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 4h;
theophylline
58-55-9

theophylline

propynoic acid methyl ester
922-67-8

propynoic acid methyl ester

methyl 2,3-bis(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)propanoate

methyl 2,3-bis(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)propanoate

Conditions
ConditionsYield
With triphenylphosphine In acetonitrile at 20℃; for 2h;95%
theophylline
58-55-9

theophylline

1-chloro-3-phenyl-2-propyne
3355-31-5

1-chloro-3-phenyl-2-propyne

7-phenylpropargyl-1,3-dimethylxanthine
21622-50-4

7-phenylpropargyl-1,3-dimethylxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Schlenk technique;95%
theophylline
58-55-9

theophylline

xanthene-9-carboxylic acid
82-07-5

xanthene-9-carboxylic acid

1,3-dimethyl-7-(9H-xanthen-9-yl)-3,7-dihydro-1H-purine-2,6-dione

1,3-dimethyl-7-(9H-xanthen-9-yl)-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With 2,4,6-trimethyl-pyridine; tert-butylammonium hexafluorophosphate(V) In dichloromethane for 2.5h; Molecular sieve; Electrochemical reaction;95%
theophylline
58-55-9

theophylline

8-bromotheophylline
10381-75-6

8-bromotheophylline

Conditions
ConditionsYield
With bromine In water; acetic acid at 50℃; for 4h;94.5%
With bromine at 150℃; zuletzt auf 150grad;
With ethanol; bromine
theophylline
58-55-9

theophylline

isopropyl alcohol
67-63-0

isopropyl alcohol

8-(1-hydroxy-1-methyl-ethyl)-1,3-dimethyl-3,7(9)-dihydro-purine-2,6-dione
61639-78-9

8-(1-hydroxy-1-methyl-ethyl)-1,3-dimethyl-3,7(9)-dihydro-purine-2,6-dione

Conditions
ConditionsYield
With acetone at 25℃; for 80h; Product distribution; Mechanism; Irradiation;94%
With acetone at 25℃; for 80h; Irradiation;94%
theophylline
58-55-9

theophylline

8-bromo-1,3-dimethyl-7-(thiiran-2-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione
122773-84-6

8-bromo-1,3-dimethyl-7-(thiiran-2-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione

7-[(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl]-1,3-dimethyl-6,7-dihydro[1,3]thiazolo[2,3-f]purine-2,4(1H,3H)-dione
1239919-39-1

7-[(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl]-1,3-dimethyl-6,7-dihydro[1,3]thiazolo[2,3-f]purine-2,4(1H,3H)-dione

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 3h; Reflux;94%
theophylline
58-55-9

theophylline

diethyl 2-vinylcyclopropane-1,1-dicarboxylate
7686-78-4

diethyl 2-vinylcyclopropane-1,1-dicarboxylate

(E)-diethyl 2-(4-(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)but-2-en-1-yl)malonate

(E)-diethyl 2-(4-(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)but-2-en-1-yl)malonate

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; (2S,3S)-(+)-1,4-bis(diphenylphosphino)-2,3-O-isopropylidene-2,3-butanediol In 1,4-dioxane at 30℃; for 18h; Inert atmosphere; Schlenk technique; Sealed tube;94%
theophylline
58-55-9

theophylline

benzyl bromide
100-39-0

benzyl bromide

7-benzyltheophylline
1807-85-8

7-benzyltheophylline

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Schlenk technique;93%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Schlenk technique;93%
With potassium carbonate In N,N-dimethyl-formamide at 35℃; for 16h;87%
theophylline
58-55-9

theophylline

1-chloroacetophenone
532-27-4

1-chloroacetophenone

1,3-dimethyl-7-(2-oxo-2-phenylethyl)-3,7-dihydropurine-2,6-dione
78491-57-3

1,3-dimethyl-7-(2-oxo-2-phenylethyl)-3,7-dihydropurine-2,6-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; Alkylation;93%
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