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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

High Quality Ofloxacin 82419-36-1 Manufacturer

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Ofloxacin Manufacturer/High quality/Best price/In stock

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Sinoway Industrial Co., Ltd.

Sinoway’s advantages: 1. Fast Delivery, Good Quality and reasonable price 2. Professional Manufacturer, 28 years in pharmaceutical industry 3. SGS audit supplier Appearance:PALE YELLOWISH-WHITE TO LIGHT YELLOWISH-WHITE CRYST

Ofloxacin Chinese leading supplier

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Pale yellowish-white to light yellowish-white crystals or crystalline powder Storage:Cool dry plac

High quality Ofloxacin Cas 82419-36-1 with cheap price and good service

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $30.0 / 36.0

Type:Trading Company

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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

Ofloxacin

Cas:82419-36-1

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Pale yellowish-white to light yellowish-white crystals or crystalline powder Conform

High purity ofloxacin CAS:82419-36-1

Cas:82419-36-1

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

Good quality Competitive price On time delivery Our Advantages: Full experience of large numbers containers loading in main Chinese seaports Packing with pallet as buyer's special request Best service after shipment with e-mail

Good quality Ofloxacin//82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

Ofloxacin English name: Ofloxacin Chemical name: (±)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]- 1,4-benzoxazine-6-carboxylic acid;OFLX;Floxin;(±)-Of

Ofloxacin Price

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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 Ofloxacin

Cas:82419-36-1

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% Ofloxacin 82419-36-1 ISO Producer

Cas:82419-36-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

OFLX

Cas:82419-36-1

Min.Order:5 Milligram

Negotiable

Type:Manufacturers

inquiry

Shandong Jiulong Hisince Pharmaceutical Co.,Ltd.

Ofloxacin CAS 82419-36-1 Assay 98.6% Standard USP28 pharmacetical raw material manufacturer Packing Fibre drum We supply pharma Appearance:whilt powder Storage:cool and dryer Package:durm Application:API Transportation:by sea or by air Port:shangha

ofloxacin CAS 82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name: Ofloxacin The alias:Ofloxacin for Injection CAS NO:82419-36-1 Molecular formula:C18H20FN3O4 Molecular weight: 361.38 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage

Ofloxacin /CAS:82419-36-1/with best price

Cas:82419-36-1

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

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

Tianfu Chem_Ofloxacin_

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Ofloxacin CAS: 82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Discount price CAS 82419-36-1 with best quality

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

Ofloxacin CAS82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

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

Ofloxacin/ LIDE PHARMA- Factory supply / Best price

Cas:82419-36-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

82419-36-1 Basic information More.. Product Name: Ofloxacin Synonyms: (+/-)-9-fluoro-2, 3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7h-pyrido[1,2,3-de]-1,4-

Ofloxacin

Cas:82419-36-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Other

inquiry

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 to light yellowish crystalline powder Storage:Store in

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

Ofloxacin 82419-36-1

Cas:82419-36-1

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

Hangzhou Maytime Bio-Tech Co.,Ltd.

What is ofloxacin Ofloxacin is an antibiotic in a group of drugs called fluoroquinolones (flor-o-KWIN-o-lones). Ofloxacin fights bacteria in the body. Ofloxacin is used to treat bacterial infections of the skin, lungs, prostate, or uri

Ofloxacin USP with GMP Cas No.82419-36-1

Cas:82419-36-1

Min.Order:1 Milligram

Negotiable

Type:Other

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 present

Ofloxacin

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $70.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ofloxacin CAS:82419-36-1 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 intermediates,

Ofloxacin CAS:82419-36-1

Cas:82419-36-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

we are reliable supplier for APIs and intermediates for international markets. We supply good quality with competitive price. We pursue long term business relations and win-win. Appearance:white powder Storage:2-8°C Package:10kg/drum

Ofloxacin

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $1.0

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

Ofloxacin

Cas:82419-36-1

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

Ofloxacin CSA 82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

High Quality Ofloxacin Ofloxacin CAS: 82419-36-1

Cas:82419-36-1

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

Ofloxacin CAS: 82419-36-1 Specification ITEMS STANDARDS (USP) APPEARANCE PALE YELLOWISH-WHITE TO LIGHT YELLOWISH-WHITE CRYSTALE OR CRYSTALLINE POWDER IDENTIFICATION-IR

Factory supply Ofloxacin

Cas:82419-36-1

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Synthetic route

1-methyl-piperazine
109-01-3

1-methyl-piperazine

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With potassium hydroxide In water at 60℃; for 6h; Time; Solvent;95.8%
With nano iron oxide on ZrO2 coated sulfonic acid In water for 0.416667h; Reflux;89%
at 150℃; Microwave irradiation;83%
1-methyl-piperazine
109-01-3

1-methyl-piperazine

ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
82419-34-9

ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With acetic acid In water; N,N-dimethyl-formamide at 70 - 105℃; for 10h; Temperature; Reagent/catalyst; Solvent;87.9%
8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid acetoxymethyl ester
139535-20-9

8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid acetoxymethyl ester

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With water at 37℃; pH 1.8-10; half-life times;
8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid 1-acetoxy-ethyl ester
139535-21-0

8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid 1-acetoxy-ethyl ester

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With water at 37℃; pH 1.8-10; half-life times;
8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid 1-ethoxycarbonyloxy-ethyl ester
139535-22-1

8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid 1-ethoxycarbonyloxy-ethyl ester

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With water at 37℃; pH 1.8-10; half-life times;
1-methyl-piperazine
109-01-3

1-methyl-piperazine

C13H8BF4NO4

C13H8BF4NO4

ofloxacin
82419-36-1

ofloxacin

2-hydroxy 3,4-difluoro aniline
115551-33-2

2-hydroxy 3,4-difluoro aniline

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: 80 percent / ethanol / 1 h / Heating
2.1: 95 percent / NaH in oil,; LiClO4 / 18 h / 40 °C
3.1: 80 percent / triphenylphosphine,; DEAD / ethyl acetate / 5 h / 20 °C
4.1: Ac2O,; H2SO4 / 0.75 h / 50 °C
4.2: H2O / 15 h / Heating
5.1: dimethylsulfoxide / 2 h / 100 °C
View Scheme
diethyl 2-(((3,4-difluoro-2-hydroxyphenyl)amino)methylene)malonate
85741-74-8

diethyl 2-(((3,4-difluoro-2-hydroxyphenyl)amino)methylene)malonate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 95 percent / NaH in oil,; LiClO4 / 18 h / 40 °C
2.1: 80 percent / triphenylphosphine,; DEAD / ethyl acetate / 5 h / 20 °C
3.1: Ac2O,; H2SO4 / 0.75 h / 50 °C
3.2: H2O / 15 h / Heating
4.1: dimethylsulfoxide / 2 h / 100 °C
View Scheme
(3,4-difluorophenyl)-carbamic acid-tert-butyl ester
144298-04-4

(3,4-difluorophenyl)-carbamic acid-tert-butyl ester

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: 85 percent
2.1: 80 percent / ethanol / 1 h / Heating
3.1: 95 percent / NaH in oil,; LiClO4 / 18 h / 40 °C
4.1: 80 percent / triphenylphosphine,; DEAD / ethyl acetate / 5 h / 20 °C
5.1: Ac2O,; H2SO4 / 0.75 h / 50 °C
5.2: H2O / 15 h / Heating
6.1: dimethylsulfoxide / 2 h / 100 °C
View Scheme
diethyl [(-)-7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazin-4-yl]methylenemalonate
86760-99-8

diethyl [(-)-7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazin-4-yl]methylenemalonate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: Ac2O,; H2SO4 / 0.75 h / 50 °C
1.2: H2O / 15 h / Heating
2.1: dimethylsulfoxide / 2 h / 100 °C
View Scheme
Multi-step reaction with 3 steps
1: PPE / 1 h / 140 - 145 °C
2: 94 percent / conc. HCl / acetic acid / 3 h / Heating
3: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
diethyl [3,4-difluoro-2-(2-hydroxypropyloxy)anilinyl]methylenemalonate
124409-86-5

diethyl [3,4-difluoro-2-(2-hydroxypropyloxy)anilinyl]methylenemalonate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 80 percent / triphenylphosphine,; DEAD / ethyl acetate / 5 h / 20 °C
2.1: Ac2O,; H2SO4 / 0.75 h / 50 °C
2.2: H2O / 15 h / Heating
3.1: dimethylsulfoxide / 2 h / 100 °C
View Scheme
2,3,4-trifluoronitrobenzene
771-69-7

2,3,4-trifluoronitrobenzene

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 29 percent / 10percent KOH / H2O; dimethylsulfoxide / 2 h / 18 - 20 °C
2: 65 percent / K2CO3, KI / acetone / 4 h / Heating
3: 90 percent / H2, Raney Ni / ethanol
4: 1 h / 140 - 145 °C
5: PPE / 1 h / 140 - 145 °C
6: 94 percent / conc. HCl / acetic acid / 3 h / Heating
7: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
3,4-difluoro-2-(2-oxopropyloxy)nitrobenzene
82419-32-7

3,4-difluoro-2-(2-oxopropyloxy)nitrobenzene

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 90 percent / H2, Raney Ni / ethanol
2: 1 h / 140 - 145 °C
3: PPE / 1 h / 140 - 145 °C
4: 94 percent / conc. HCl / acetic acid / 3 h / Heating
5: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
2,3-difluoro-6-nitrophenol
82419-26-9

2,3-difluoro-6-nitrophenol

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 65 percent / K2CO3, KI / acetone / 4 h / Heating
2: 90 percent / H2, Raney Ni / ethanol
3: 1 h / 140 - 145 °C
4: PPE / 1 h / 140 - 145 °C
5: 94 percent / conc. HCl / acetic acid / 3 h / Heating
6: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
82419-34-9

ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 94 percent / conc. HCl / acetic acid / 3 h / Heating
2: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
Multi-step reaction with 2 steps
1: acetic acid; sulfuric acid / water / 4 h / Reflux
2: triethylamine / dimethyl sulfoxide / 90 °C
View Scheme
(-)-7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4-benzoxazine
82419-33-8

(-)-7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4-benzoxazine

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1 h / 140 - 145 °C
2: PPE / 1 h / 140 - 145 °C
3: 94 percent / conc. HCl / acetic acid / 3 h / Heating
4: 62 percent / dimethylsulfoxide / 12 h / 100 - 140 °C
View Scheme
1-methyl-piperazine
109-01-3

1-methyl-piperazine

trifluoride of etherate diethyl boron

trifluoride of etherate diethyl boron

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With sodium hydroxide; triethylamine In hydrogenchloride; methanol; diethyl ether; chloroform; dimethyl sulfoxide
1-methyl-piperazine
109-01-3

1-methyl-piperazine

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

A

9-fluoro-2,3dihydro-3-methyl-10-(4-methyl-1-piperazynil)-7-oxo-7H-pyrid(1,2,3-de) (1,4)-benzoxazine-6-carboxylic acid

9-fluoro-2,3dihydro-3-methyl-10-(4-methyl-1-piperazynil)-7-oxo-7H-pyrid(1,2,3-de) (1,4)-benzoxazine-6-carboxylic acid

B

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
In ethanol; dimethyl sulfoxide
1-methyl-piperazine
109-01-3

1-methyl-piperazine

2,2'-biquinoline
119-91-5

2,2'-biquinoline

ethyl potassium malonate
6148-64-7

ethyl potassium malonate

2,3,4,5-tetrafluorobenzoyl chloride
94695-48-4

2,3,4,5-tetrafluorobenzoyl chloride

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
With hydrogenchloride; n-butyllithium In tetrahydrofuran; hexane; water; ethyl acetate
4-(t-butyldimethylsilyl)-1-methyl piperazine

4-(t-butyldimethylsilyl)-1-methyl piperazine

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

ofloxacin
82419-36-1

ofloxacin

C14H31NO3Si2

C14H31NO3Si2

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: toluene / 30 - 60 °C
2: hydrogenchloride / toluene; water / pH 7
3: potassium fluoride / N,N-dimethyl-formamide / Reflux
4: acetic acid; sulfuric acid / water / 4 h / Reflux
5: triethylamine / dimethyl sulfoxide / 90 °C
View Scheme
C8H15NO3

C8H15NO3

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: ammonia / toluene / 6 h / 50 °C
2: toluene / 30 - 60 °C
3: hydrogenchloride / toluene; water / pH 7
4: potassium fluoride / N,N-dimethyl-formamide / Reflux
5: acetic acid; sulfuric acid / water / 4 h / Reflux
6: triethylamine / dimethyl sulfoxide / 90 °C
View Scheme
C21H31F4NO4Si2

C21H31F4NO4Si2

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: hydrogenchloride / toluene; water / pH 7
2: potassium fluoride / N,N-dimethyl-formamide / Reflux
3: acetic acid; sulfuric acid / water / 4 h / Reflux
4: triethylamine / dimethyl sulfoxide / 90 °C
View Scheme
ethyl 2-(2,3,4,5-tetrafluorobenzoyl)-3-(1-hydroxyprop-2-ylamino)acrylate
113933-52-1

ethyl 2-(2,3,4,5-tetrafluorobenzoyl)-3-(1-hydroxyprop-2-ylamino)acrylate

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium fluoride / N,N-dimethyl-formamide / Reflux
2: acetic acid; sulfuric acid / water / 4 h / Reflux
3: triethylamine / dimethyl sulfoxide / 90 °C
View Scheme
1-methyl-piperazine
109-01-3

1-methyl-piperazine

C17H14BF2NO8

C17H14BF2NO8

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Stage #1: 1-methyl-piperazine; C17H14BF2NO8 With triethylamine In dichloromethane at 40℃; for 1.5h; Inert atmosphere;
Stage #2: With hydrogenchloride In methanol; water at 0 - 30℃; for 3h;
7.32 g
9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

ofloxacin
82419-36-1

ofloxacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1.75 h / 75 - 115 °C / Inert atmosphere
1.2: 3 h / 90 °C
2.1: triethylamine / dichloromethane / 1.5 h / 40 °C / Inert atmosphere
2.2: 3 h / 0 - 30 °C
View Scheme
cerium(IV) sulphate

cerium(IV) sulphate

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

[Ce(Ofl)2(H2O)2]SO4.4H2O

[Ce(Ofl)2(H2O)2]SO4.4H2O

Conditions
ConditionsYield
Stage #1: ofloxacin With sodium hydroxide In ethanol for 0.666667h;
Stage #2: cerium(IV) sulphate In ethanol at 20℃; for 24h;
Stage #3: water
98%
titanium(IV) sulfate

titanium(IV) sulfate

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

[Ti(Ofl)2(H2O)2]SO4*3H2O

[Ti(Ofl)2(H2O)2]SO4*3H2O

Conditions
ConditionsYield
Stage #1: ofloxacin With sodium hydroxide In ethanol for 0.666667h;
Stage #2: titanium(IV) sulfate In ethanol at 20℃; for 24h;
Stage #3: water
95%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

zirconyl nitrate

zirconyl nitrate

ofloxacin
82419-36-1

ofloxacin

C30H29FN5O6Zr(1+)*NO3(1-)*2H2O

C30H29FN5O6Zr(1+)*NO3(1-)*2H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 3h; Reflux;92.6%
ofloxacin
82419-36-1

ofloxacin

9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carbonyl fluoride

9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carbonyl fluoride

Conditions
ConditionsYield
With tetramethylammonium trifluoromethanethiolate In dichloromethane at 20℃; for 1h;92%
[(99)technetium(I)(carbonyl)3(H2O)3]
163932-31-8

[(99)technetium(I)(carbonyl)3(H2O)3]

ofloxacin
82419-36-1

ofloxacin

99mTc(CO)3-ofloxacin

99mTc(CO)3-ofloxacin

Conditions
ConditionsYield
In water at 90℃; for 0.5h; pH=7;90%
yttrium(III) chloride

yttrium(III) chloride

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

[Y(Ofl)2(H2O)2]Cl.7H2O

[Y(Ofl)2(H2O)2]Cl.7H2O

Conditions
ConditionsYield
Stage #1: ofloxacin With sodium hydroxide In ethanol for 0.666667h;
Stage #2: yttrium(III) chloride In ethanol at 20℃; for 24h;
Stage #3: water
88%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

ofloxacin
82419-36-1

ofloxacin

uranyl(VI) acetate dihydrate

uranyl(VI) acetate dihydrate

C30H29FN5O7U(1+)*C2H3O2(1-)*H2O

C30H29FN5O7U(1+)*C2H3O2(1-)*H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 3h; Reflux;84.88%
ofloxacin
82419-36-1

ofloxacin

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

1,8-isopropoxy-6-fluoro-7-(4-methylpiperazin-1-yl)-3-(1H-imidazole-1-formyl)quinoline-4(1H)-one

1,8-isopropoxy-6-fluoro-7-(4-methylpiperazin-1-yl)-3-(1H-imidazole-1-formyl)quinoline-4(1H)-one

Conditions
ConditionsYield
In acetonitrile Reflux;82.7%
In N,N-dimethyl-formamide at 80 - 90℃;
In N,N-dimethyl-formamide at 80 - 90℃;
ofloxacin
82419-36-1

ofloxacin

(+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylhydrazide
1211989-50-2

(+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylhydrazide

Conditions
ConditionsYield
With hydrazine hydrate In water for 16h; Reflux;82%
Multi-step reaction with 2 steps
1: sulfuric acid / Reflux
2: hydrazine hydrate / ethanol / 4 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: sulfuric acid / 20 h / Reflux
2: hydrazine hydrate / ethanol / 4 h / Reflux
View Scheme
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

C28H29CuFN5O5(1+)*ClO4(1-)*1.65H2O

C28H29CuFN5O5(1+)*ClO4(1-)*1.65H2O

Conditions
ConditionsYield
With hydrogenchloride; potassium hydroxide In methanol pH=7.5;82%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

ofloxacin
82419-36-1

ofloxacin

zinc(II) acetate dihydrate
5970-45-6

zinc(II) acetate dihydrate

C30H31FN5O6Zn(1+)*C2H3O2(1-)*2H2O

C30H31FN5O6Zn(1+)*C2H3O2(1-)*2H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 3h; Reflux;81.22%
ruthenium(III) chloride trihydrate

ruthenium(III) chloride trihydrate

ofloxacin
82419-36-1

ofloxacin

[Ru(ofloxacin)2ClH2O]2CI*4H2O

[Ru(ofloxacin)2ClH2O]2CI*4H2O

Conditions
ConditionsYield
In methanol; ethanol for 24h; Reflux;80%
8-quinolinol
148-24-3

8-quinolinol

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

copper(II) perchlorate

copper(II) perchlorate

[copper(II)(ofloxacin(-H))(8-hydroxyquinoline)](perchlorate) dihydrate

[copper(II)(ofloxacin(-H))(8-hydroxyquinoline)](perchlorate) dihydrate

Conditions
ConditionsYield
In methanol for 0.5h;79%
methanol
67-56-1

methanol

di(pyridin-2-yl)amine
1202-34-2

di(pyridin-2-yl)amine

copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

[Cu(ofx)(2,2'-bipyridylamine)(CH3OH)]*ClO4*H2O

[Cu(ofx)(2,2'-bipyridylamine)(CH3OH)]*ClO4*H2O

Conditions
ConditionsYield
With hydrogenchloride; potassium hydroxide at 20℃; for 24h; pH=7.5;79%
ofloxacin
82419-36-1

ofloxacin

zinc(II) chloride
7646-85-7

zinc(II) chloride

[Zn(ofloxacin)2ClH2O]2CI*4H2O

[Zn(ofloxacin)2ClH2O]2CI*4H2O

Conditions
ConditionsYield
In methanol; ethanol for 24h; Reflux;78%
ethanol
64-17-5

ethanol

ofloxacin
82419-36-1

ofloxacin

ethyl (+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
107884-32-2

ethyl (+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate

Conditions
ConditionsYield
With sulfuric acid for 48h; Reflux;75%
With sulfuric acid Reflux;
With sulfuric acid for 20h; Reflux;
copper(II) choride dihydrate

copper(II) choride dihydrate

ofloxacin
82419-36-1

ofloxacin

[Cu(ofloxacin)Cl2]*H2O
1638187-50-4

[Cu(ofloxacin)Cl2]*H2O

Conditions
ConditionsYield
In methanol; ethanol for 24h; Reflux;75%
potassium tetrachloroplatinate(II)
10025-99-7

potassium tetrachloroplatinate(II)

ofloxacin
82419-36-1

ofloxacin

[PtCl2(ofloxacin)]
1161829-26-0, 1162693-99-3

[PtCl2(ofloxacin)]

Conditions
ConditionsYield
In water aq. suspn. of ligand added to aq. soln. of Pt compd. (1:1 molar ratio), stirred at room temp. for 48 h; filtered off, washed (water, MeOH), dried, elem. anal.;71.9%
ofloxacin
82419-36-1

ofloxacin

dioctyltin(IV) oxide
870-08-6

dioctyltin(IV) oxide

n-Oc2Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)2

n-Oc2Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)2

Conditions
ConditionsYield
In methanol; benzene Reflux; Inert atmosphere;70%
iron(III) chloride hexahydrate

iron(III) chloride hexahydrate

ofloxacin
82419-36-1

ofloxacin

[Fe(ofloxacin)2ClH2O]2CI*5H2O

[Fe(ofloxacin)2ClH2O]2CI*5H2O

Conditions
ConditionsYield
In methanol; ethanol for 24h; Reflux;70%
oxovanadium(IV) sulfate

oxovanadium(IV) sulfate

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

C36H40F2N6O10V*2H(1+)*0.5O12V4(4-)*6H2O

C36H40F2N6O10V*2H(1+)*0.5O12V4(4-)*6H2O

Conditions
ConditionsYield
With potassium hydroxide for 2h; pH=7; Reflux;70%
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

water
7732-18-5

water

ofloxacin
82419-36-1

ofloxacin

copper(II) perchlorate

copper(II) perchlorate

[copper(II)(ofloxacin(-H))(2,2'-bipyridyl)(H2O)](perchlorate)*1.5H2O

[copper(II)(ofloxacin(-H))(2,2'-bipyridyl)(H2O)](perchlorate)*1.5H2O

Conditions
ConditionsYield
In methanol for 0.5h;69%
Chloromethyl acetate
625-56-9

Chloromethyl acetate

ofloxacin
82419-36-1

ofloxacin

8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid acetoxymethyl ester
139535-20-9

8-Fluoro-3-methyl-9-(4-methyl-piperazin-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid acetoxymethyl ester

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 12h; Ambient temperature;68.8%
ofloxacin
82419-36-1

ofloxacin

di(n-butyl)tin oxide
818-08-6

di(n-butyl)tin oxide

n-Bu2Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)2

n-Bu2Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)2

Conditions
ConditionsYield
In methanol; benzene Reflux; Inert atmosphere;68%
ofloxacin
82419-36-1

ofloxacin

bis(tri-n-butyltin)oxide
56-35-9

bis(tri-n-butyltin)oxide

n-Bu3Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)

n-Bu3Sn((RS)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylate)

Conditions
ConditionsYield
In methanol; benzene Reflux; Inert atmosphere;68%
potassium tetrachloroplatinate(II)
10025-99-7

potassium tetrachloroplatinate(II)

ofloxacin
82419-36-1

ofloxacin

[Pt(ofloxacin)Cl2]*3H2O

[Pt(ofloxacin)Cl2]*3H2O

Conditions
ConditionsYield
In methanol; ethanol for 24h; Reflux;65%
ofloxacin
82419-36-1

ofloxacin

tert-butyl 4-(aminomethyl)benzylcarbamate
108468-00-4

tert-butyl 4-(aminomethyl)benzylcarbamate

tert-butyl (4-((9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamido)methyl)benzyl)carbamate

tert-butyl (4-((9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxamido)methyl)benzyl)carbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 1h;65%
methanol
67-56-1

methanol

ofloxacin
82419-36-1

ofloxacin

methyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
108224-82-4

methyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

Conditions
ConditionsYield
With sulfuric acid Reflux;64.5%
With sulfuric acid for 20h; Reflux;23%
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