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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

Rhodamine B Manufacturer/High quality/Best price/In stock

Cas:81-88-9

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 Rhodamine B supplier in China

Cas:81-88-9

Min.Order:1 Kilogram

Negotiable

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 Rhodamine B

Cas:81-88-9

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

COLORCOM LTD.

Rhodamine B is a synthetic red basic fluorescent dye, commonly known as flower pink. The dye is often used as a fluorescent reagent and has been widely used in the fields of colored glass, mining and steel. It is a common basic dye in industry. Appea

Basic Violet 10 Rhodamine B

Cas:81-88-9

Min.Order:50 Kilogram

FOB Price: $3.6 / 4.2

Type:Manufacturers

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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 Rhodamine B

Cas:81-88-9

Min.Order:1 Kilogram

FOB Price: $1.0

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

Basic violet 10 (C.I. 45170)

Cas:81-88-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Win-Win chemical Co.Ltd

Stock products, own laboratory Appearance:Green Solid Storage:room temp Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai

Rhodamine B Cas no.81-88-9 98%

Cas:81-88-9

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details

China Largest factory Manufacturer Supply Rhodamine B CAS 81-88-9

Cas:81-88-9

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Rhodamine B Basic information Product Name: Rhodamine B Synonyms: (9-(o-carboxyphenyl)-6-(diethylamino)-3h-xanthen-3-ylidene)diethyl-ammoniu;(9-(o-carboxyphenyl)-6-(diethylamino)-3h-xant

TIANFU-CHEM CAS:81-88-9 Rhodamine B

Cas:81-88-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Basic Violet 10

Cas:81-88-9

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

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

Low priceCAS 81-88-9 with high quality products

Cas:81-88-9

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

Xanthylium,9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride (1:1) 81-88-9

Cas:81-88-9

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 present

Rhodamine B

Cas:81-88-9

Min.Order:1 Kilogram

FOB Price: $10.0 / 13.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Rhodamine B CAS:81-88-9 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,

Rhodamine B CAS:81-88-9

Cas:81-88-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

Xanthylium,9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride (1:1)

Cas:81-88-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Basic violet 10 (C.I. 45170) CAS NO.81-88-9

Cas:81-88-9

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.:81-88-9

Cas:81-88-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

Rhodamine B

Cas:81-88-9

Min.Order:10 Milligram

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 s

Rhodamine B

Cas:81-88-9

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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 etc. 3) OEM/ODM Available;

Rhodamine B Dye CAS 81-88-9

Cas:81-88-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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

Rhodamine B

Cas:81-88-9

Min.Order:0

Negotiable

Type:Manufacturers

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Afine Chemicals Limited

Our Services 1. We are a professional exporter for Optical Brighteners, dyes, pigments 2. Stable and continue quality 3. Quickly delivery 4. Good service Our advantages 1. Government awarded company. Top 100 enterprises in Hangzhou 2. Qua

Basic Violet 10

Cas:81-88-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

Rhodamine B

Cas:81-88-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

81-88-9 Rhodamine B

Cas:81-88-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Wuhan Kemi-Works Chemical Co., Ltd

Product name: Rhodamine B CAS No: 81-88-9 Molecular Formula: C28H31N2O3.Cl Molecular weight: 479.02 Stibium sensitivity test: qualified Water so… Superiority 1.Powerful R & D team 2.The ability of quantized producti

Rhodamine B

Cas:81-88-9

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

Rhodamine B

Cas:81-88-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

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

Rhodamine B

Cas:81-88-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 270 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries

Low price with good quality Rhodamine B

Cas:81-88-9

Min.Order:0 Metric Ton

Negotiable

Type:Other

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 quality Rhodamine B

Cas:81-88-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Synthetic route

C34H34N5O2(1+)*Cl(1-)

C34H34N5O2(1+)*Cl(1-)

A

1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With water In acetonitrile at 20℃; for 1h;
3',6'-bis(diethylamino)-2-(2-hydroxyethylamino)spiro[iso-indoline-1,9'-xanthen]-3-one
1167601-09-3

3',6'-bis(diethylamino)-2-(2-hydroxyethylamino)spiro[iso-indoline-1,9'-xanthen]-3-one

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With Cu+
rhodamine B hydrazide
760154-10-7

rhodamine B hydrazide

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With mercury (II) perchlorate trihydrate; water In ethanol at 20℃; pH=7.0;
rhodamine B hydrazide
74317-53-6

rhodamine B hydrazide

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: methanol / 12 h / 65 °C / Inert atmosphere
2: mercury (II) perchlorate trihydrate / ethanol; water / 20 °C / pH 7.0
3: water; mercury (II) perchlorate trihydrate / ethanol / 20 °C / pH 7.0
View Scheme
Multi-step reaction with 2 steps
1: ethanol / 6 h / Reflux
2: mercuric(II) nitrate monohydrate / ethanol / 0.08 h
View Scheme
rhodamine B
4344-42-7

rhodamine B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane for 2h; Reflux;
C39H39N5O4
1374146-64-1

C39H39N5O4

A

quinolin-8-yloxy-acetic acid
5326-89-6

quinolin-8-yloxy-acetic acid

B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With water; hypochlorite In acetonitrile at 25℃;
C39H38N4O2

C39H38N4O2

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With mercuric(II) nitrate monohydrate In ethanol for 0.0833333h; Mechanism;
phthalic anhydride
85-44-9

phthalic anhydride

3-diethylaminophenol
91-68-9

3-diethylaminophenol

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
Stage #1: phthalic anhydride; 3-diethylaminophenol In 1,2-dichloro-benzene at 175℃; for 13h;
Stage #2: With water; sodium hydroxide at 25℃; for 0.5h;
Stage #3: With hydrogenchloride; sodium chloride In water at 80℃; for 1h;
35 g
With sulfuric acid at 150℃; for 2h;
C36H39N5O4

C36H39N5O4

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With copper(II) ion In water; acetonitrile Reagent/catalyst;
rhodamine B
509-34-2

rhodamine B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane for 3h; Reflux;
rhodamine B hydrazide
74317-53-6

rhodamine B hydrazide

A

N-(Rhodamine-B) lactam-hydrazine
188944-67-4

N-(Rhodamine-B) lactam-hydrazine

B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: ethanol / 12 h / Reflux
2.1: potassium carbonate; potassium iodide / acetonitrile / 0.5 h
2.2: 8 h / Reflux
3.1: gold(III) chloride; water / acetonitrile / pH 7.4
View Scheme
C45H40N6O7

C45H40N6O7

A

N-(Rhodamine-B) lactam-hydrazine
188944-67-4

N-(Rhodamine-B) lactam-hydrazine

B

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With gold(III) chloride; water In acetonitrile pH=7.4;
C35H38N5O3(1+)

C35H38N5O3(1+)

rhodamine B
81-88-9

rhodamine B

Conditions
ConditionsYield
With hypochlorite
2-azidoethanol
1517-05-1

2-azidoethanol

rhodamine B
81-88-9

rhodamine B

N-(9-(2-((2-azidoethoxy)carbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethaniminium chloride
1033001-11-4

N-(9-(2-((2-azidoethoxy)carbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethaniminium chloride

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; for 4h; Inert atmosphere; Darkness;100%
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h;61%
Stage #1: 2-azidoethanol; rhodamine B With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 4h; Inert atmosphere; Darkness;
Stage #2: With hydrogenchloride In dichloromethane; water
60%
rhodamine B
81-88-9

rhodamine B

lithium tetrakis(pentafluorophenyl)borate
2797-28-6

lithium tetrakis(pentafluorophenyl)borate

C28H31N2O3(1+)*C24BF20(1-)

C28H31N2O3(1+)*C24BF20(1-)

Conditions
ConditionsYield
In dichloromethane at 25℃; for 1h;100%
With water In dichloromethane at 20℃; for 0.5h;94%
rhodamine B
81-88-9

rhodamine B

N-(9-(2-(chlorocarbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethanaminium chloride

N-(9-(2-(chlorocarbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethanaminium chloride

Conditions
ConditionsYield
With thionyl chloride at 20℃; Inert atmosphere;99%
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃;99%
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 2h;98%
rhodamine B
81-88-9

rhodamine B

ethylenediamine
107-15-3

ethylenediamine

rhodamine B ethylenediamine
950846-89-6

rhodamine B ethylenediamine

Conditions
ConditionsYield
In ethanol for 16h; Reflux;99%
In ethanol for 12h; Reflux;95%
In ethanol for 12h; Reflux; Inert atmosphere; Schlenk technique;95%
3,4,5-trimethylbenzaldehyde
5779-74-8

3,4,5-trimethylbenzaldehyde

rhodamine B
81-88-9

rhodamine B

3',6'-bis (diethylamino)-2-((3, 4, 5-trimethylbenzylidene)amino)spiro[isoindoline-1,9'-xanthen]-3-one

3',6'-bis (diethylamino)-2-((3, 4, 5-trimethylbenzylidene)amino)spiro[isoindoline-1,9'-xanthen]-3-one

Conditions
ConditionsYield
With hydrazine hydrate In ethanol; water for 0.333333h; Sonication;99%
rhodamine B
81-88-9

rhodamine B

rhodamine B hydrazide
74317-53-6

rhodamine B hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol for 3h; Reflux;97%
With hydrazine hydrate In ethanol for 12h; Reflux;95%
With hydrazine hydrate In ethanol for 12h; Reflux;95%
3,6-dioxa-1,8-diaminooctane
929-59-9

3,6-dioxa-1,8-diaminooctane

rhodamine B
81-88-9

rhodamine B

C34H44N4O4

C34H44N4O4

Conditions
ConditionsYield
at 60℃; for 96h;95.5%
rhodamine B
81-88-9

rhodamine B

triethylentetramine
112-24-3

triethylentetramine

N-(rhodamine B)lactam-triethylenetetramine
1313741-42-2

N-(rhodamine B)lactam-triethylenetetramine

Conditions
ConditionsYield
In ethanol at 80℃; Inert atmosphere;95%
at 80℃; Inert atmosphere;95%
In ethanol for 15h; Reflux;76%
Na(1+)*C12H7F9NO7S3(1-)

Na(1+)*C12H7F9NO7S3(1-)

rhodamine B
81-88-9

rhodamine B

C28H31N2O3(1+)*C12H7F9NO7S3(1-)

C28H31N2O3(1+)*C12H7F9NO7S3(1-)

Conditions
ConditionsYield
In water; ethyl acetate95%
rhodamine B
81-88-9

rhodamine B

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

C32H43N5O2

C32H43N5O2

Conditions
ConditionsYield
In ethanol for 3h; Reflux;94.8%
rhodamine B
81-88-9

rhodamine B

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

N-(rhodamine B)lactam-diethylenetriamine
1005459-81-3

N-(rhodamine B)lactam-diethylenetriamine

Conditions
ConditionsYield
In methanol for 13h; Reflux;94.6%
In ethanol at 80℃; Inert atmosphere;91%
In ethanol for 24h; Reflux;91%
allyl iodid
556-56-9

allyl iodid

rhodamine B
81-88-9

rhodamine B

(9-(2-((allyloxy)carbonyl)phenyl)-6-(diethylamino)-3-xanthenylidene)diethylammonium chloride
850145-09-4

(9-(2-((allyloxy)carbonyl)phenyl)-6-(diethylamino)-3-xanthenylidene)diethylammonium chloride

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 24h; Inert atmosphere;94.6%
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 24h;88.8%
2-[2-(2-azidoethoxy)ethoxy]ethanamine
166388-57-4

2-[2-(2-azidoethoxy)ethoxy]ethanamine

rhodamine B
81-88-9

rhodamine B

[9-(2-{2-[2-(2-azido-ethoxy)-ethoxy]-ethylcarbamoyl}-phenyl)-6-diethylamino-xanthen-3-ylidene]-diethyl-ammonium; chloride

[9-(2-{2-[2-(2-azido-ethoxy)-ethoxy]-ethylcarbamoyl}-phenyl)-6-diethylamino-xanthen-3-ylidene]-diethyl-ammonium; chloride

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; dmap In dichloromethane at 20℃;94%
rhodamine B
81-88-9

rhodamine B

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With sodium hydroxide In water for 2h; Inert atmosphere;94%
With sodium hydroxide In water90%
With sodium hydroxide90.2%
With sodium hydroxide In ethyl acetate
4-tert-Butylaniline
769-92-6

4-tert-Butylaniline

rhodamine B
81-88-9

rhodamine B

C38H43N3O2
1514929-48-6

C38H43N3O2

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane at 0 - 85℃; for 5.25h; Inert atmosphere;94%
rhodamine B
81-88-9

rhodamine B

2-(2-Aminoethylamino)ethanol
111-41-1

2-(2-Aminoethylamino)ethanol

C32H40N4O3

C32H40N4O3

Conditions
ConditionsYield
at 200℃; for 2h; Inert atmosphere;94%
rhodamine B
81-88-9

rhodamine B

4-nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole
139332-66-4

4-nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole

C38H40N7O5(1+)

C38H40N7O5(1+)

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate at 20℃;94%
2,2-diaminoethylthioether
871-76-1

2,2-diaminoethylthioether

rhodamine B
81-88-9

rhodamine B

C32H40N4O2S

C32H40N4O2S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In methanol at 50℃; for 18h; Solvent; Temperature;93.88%
With triethylamine In dichloromethane for 24h; Inert atmosphere; Reflux;44.5%
rhodamine B
81-88-9

rhodamine B

hydrazine hydrate
7803-57-8

hydrazine hydrate

rhodamine B hydrazide
74317-53-6

rhodamine B hydrazide

Conditions
ConditionsYield
In ethanol Reflux;93.6%
In ethanol for 2h; Reflux;62.8%
In methanol Reflux;
In ethanol for 3h; Reflux;
In ethanol for 3h; Reflux;
rhodamine B
81-88-9

rhodamine B

2-[2-(2-azidoethoxy)ethoxy]ethanol
86520-52-7

2-[2-(2-azidoethoxy)ethoxy]ethanol

4-(dimethylamino)pyridinium tosylate

4-(dimethylamino)pyridinium tosylate

C34H42N5O5(1+)*C7H7O3S(1-)

C34H42N5O5(1+)*C7H7O3S(1-)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 23℃; for 12h;93%
rhodamine B
81-88-9

rhodamine B

4-Aminobenzonitrile
873-74-5

4-Aminobenzonitrile

C35H34N4O2
1514929-49-7

C35H34N4O2

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane at 0 - 85℃; for 5.25h; Inert atmosphere;92%
rhodamine B
81-88-9

rhodamine B

2-amino-2-hydroxymethyl-1,3-propanediol
77-86-1

2-amino-2-hydroxymethyl-1,3-propanediol

C32H39N3O5

C32H39N3O5

Conditions
ConditionsYield
With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 80℃; for 18h;92%
rhodamine B
81-88-9

rhodamine B

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

rhodamine-N-piperazine-N-Boc
1362851-21-5

rhodamine-N-piperazine-N-Boc

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 2h;91.2%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;80%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;80%
thiazolidine-2-thione
134469-06-0

thiazolidine-2-thione

rhodamine B
81-88-9

rhodamine B

C31H34N3O2S2(1+)*Cl(1-)

C31H34N3O2S2(1+)*Cl(1-)

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 24h;91%
2-methyl-2-propenoic acid 2-hydroxyethyl ester
868-77-9

2-methyl-2-propenoic acid 2-hydroxyethyl ester

rhodamine B
81-88-9

rhodamine B

RhBEMA
141098-60-4

RhBEMA

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 16.5h;91%
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 16h;91%
Stage #1: 2-methyl-2-propenoic acid 2-hydroxyethyl ester; rhodamine B With dmap; camphor-10-sulfonic acid In chloroform for 0.5h;
Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform at 20℃; for 2h;
90%
3-acetylenephenylamine
54060-30-9

3-acetylenephenylamine

rhodamine B
81-88-9

rhodamine B

3',6'-bis(diethylamino)-2-(3-ethynylphenyl)spiro[isoindoline-1,9'-xanthen]-3-one

3',6'-bis(diethylamino)-2-(3-ethynylphenyl)spiro[isoindoline-1,9'-xanthen]-3-one

Conditions
ConditionsYield
With triethylamine; HATU In N,N-dimethyl-formamide at 20℃; for 16h;91%
rhodamine B
81-88-9

rhodamine B

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine
112-57-2

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine

N-(rhodamine B)lactam-tetraethylenepentamine
1313741-43-3

N-(rhodamine B)lactam-tetraethylenepentamine

Conditions
ConditionsYield
In ethanol at 80℃; for 12h; Solvent; Temperature;90.8%
In ethanol at 80℃; Inert atmosphere;87%
at 80℃; Inert atmosphere;87%
In ethanol for 12h; Reflux;72%
rhodamine B
81-88-9

rhodamine B

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine
112-57-2

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine

C36H53N7O2

C36H53N7O2

Conditions
ConditionsYield
In ethanol for 12h; Reflux;90.8%
Ir(P(C6H4CH3)3)2(CO)(acetone)SbF6
117940-18-8

Ir(P(C6H4CH3)3)2(CO)(acetone)SbF6

rhodamine B
81-88-9

rhodamine B

carbonylbis(tri-p-tolylphosphine)(rhodamine)iridium hexafluoroantimonate
117940-04-2

carbonylbis(tri-p-tolylphosphine)(rhodamine)iridium hexafluoroantimonate

Conditions
ConditionsYield
In diethyl ether A suspension of (Ir(P(tol)3)2CO(acetone))(SbF6) in ether is treated with rhodamine followed by stirring for 5 h.; Filtration, recrystn. from dichloromethane.;90%

Raw Materials

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