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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

509-34-2 Solvent Red 49

Cas:509-34-2

Min.Order:1 Gram

FOB Price: $9.0 / 15.0

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

Solvent Red 49 Basic information Product Name: Solvent Red 49 Synonyms: SOLVENT RED 49;RHODAMINE B STEARATE;RHODAMINE B BASE;RHODAMINE B BASE, ALCOHOL SOLUBLE;9&rsq

Solvent Red 49

Cas:509-34-2

Min.Order:1 Gram

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

COLORCOM LTD.

Metal-complex solvent dyes has excellent Solubility and miscibility in wide range of organic solvents,and also has good compatibility with various sort of synthetic and natural resins. The outstanding properties of solubility in solvents,light,heat f

Metal-complex Solvent Dyes solvent red 49

Cas:509-34-2

Min.Order:25 Kilogram

Negotiable

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 Solvent Red 49

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

img _fcksavedurl="/UserAppearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:509-34-2 Transportation:by air or by sea Port:Shanghai

Solvent Red 49

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

Solvent red 49 (C.I. 45170:1)

Cas:509-34-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Pharmaceutical Grade CAS 509-34-2 with competitive price

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

High purity&quality Solvent Red 49

Cas:509-34-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(diethylamino)-

Cas:509-34-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Solvent Red 49 CAS:509-34-2 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 intermediat

Solvent Red 49 CAS:509-34-2

Cas:509-34-2

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

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(diethylamino)-

Cas:509-34-2

Min.Order:1 Kilogram

Negotiable

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

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(diethylamino)-

Cas:509-34-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

Rhodamine B base 509-34-2

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $16.0 / 20.0

Type:Lab/Research institutions

inquiry

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

Solvent Red 49

Cas:509-34-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 base

Cas:509-34-2

Min.Order:0 Metric Ton

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

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(diethylamino)-

Cas:509-34-2

Min.Order:0

Negotiable

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

Solvent Red 49

Cas:509-34-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

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

High purity&quality Solvent Red 49

Cas:509-34-2

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Rhodamine B base

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

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

Solvent Red 49

Cas:509-34-2

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

Rhodamine B base

Cas:509-34-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Rhodamine B base

Cas:509-34-2

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

C.I.Solvent Red 49

Cas:509-34-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Rhodamine B base

Cas:509-34-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

Rhodamine B base

Cas:509-34-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Rhodamine B Base

Cas:509-34-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

3',6'-bis(diethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xant...

Cas:509-34-2

Min.Order:0

Negotiable

Type:Other

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? We can also provide MT1 peptide powder2.

Solvent Red 49

Cas:509-34-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(diethylamino)-

Cas:509-34-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

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
rhodamine B

rhodamine B

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With sodium hydroxide In ethyl acetate93%
phthalonic acid
528-46-1

phthalonic acid

3-diethylaminophenol
91-68-9

3-diethylaminophenol

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With sulfuric acid at 180 - 190℃;
at 180℃;
2'-Carboxy-4-diethylamino-2-hydroxybenzophenon
5809-23-4

2'-Carboxy-4-diethylamino-2-hydroxybenzophenon

3-diethylaminophenol
91-68-9

3-diethylaminophenol

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With sulfuric acid
With sulfuric acid
rhodamine B
3375-25-5

rhodamine B

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
erythromycin In dimethyl sulfoxide Rate constant; various solvents;
In chloroform at 25 - 50℃; Equilibrium constant; Rate constant; effect of erythromycin A;
In ethanol at 25℃; Equilibrium constant; Thermodynamic data; other temperatures; other solvents;
In methanol at 24.9℃; under 735.8 Torr; Equilibrium constant; var. solvents and pressure;
In ethanol Equilibrium constant;
diethylamine
109-89-7

diethylamine

6-chloro-3-diethylamino-fluorane

6-chloro-3-diethylamino-fluorane

rhodamine B
509-34-2

rhodamine B

3.6-dichloro-fluorane

3.6-dichloro-fluorane

hydrochloride of diethylamine

hydrochloride of diethylamine

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With ethanol; sodium acetate at 200 - 220℃; im Autoklaven;
rhodamine B
1118784-85-2

rhodamine B

rhodamine B
509-34-2

rhodamine B

Conditions
ConditionsYield
With sodium hydroxide
rhodamine B
509-34-2

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 trichlorophosphate In dichloromethane for 3h; Reflux; Inert atmosphere;100%
With trichlorophosphate In dichloromethane for 4h; Heating;
With trichlorophosphate In dichloromethane for 4h; Reflux;
rhodamine B
509-34-2

rhodamine B

4-Hydroxybenzophenone
1137-42-4

4-Hydroxybenzophenone

C28H30O3N2*C13H10O2

C28H30O3N2*C13H10O2

Conditions
ConditionsYield
In acetonitrile at 20℃; for 24h;98%
piperazine
110-85-0

piperazine

rhodamine B
509-34-2

rhodamine B

N‐(6‐(diethylamino)‐9‐(2‐(piperazine‐1‐carbonyl)phenyl)‐3H-xanthen‐3‐ylidene)‐N‐ethylethanaminium chloride

N‐(6‐(diethylamino)‐9‐(2‐(piperazine‐1‐carbonyl)phenyl)‐3H-xanthen‐3‐ylidene)‐N‐ethylethanaminium chloride

Conditions
ConditionsYield
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h;
Stage #2: rhodamine B In dichloromethane; toluene for 1h; Inert atmosphere; Microwave irradiation;
98%
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene for 1h; Inert atmosphere;
Stage #2: rhodamine B In dichloromethane; toluene for 24h; Inert atmosphere; Reflux;
56.8%
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Inert atmosphere;
Stage #2: rhodamine B In dichloromethane; toluene for 72h; Inert atmosphere; Reflux;
20%
ethyl bromoacetate
105-36-2

ethyl bromoacetate

rhodamine B
509-34-2

rhodamine B

ethylcarboxymethyl rhodamine B bromide

ethylcarboxymethyl rhodamine B bromide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 1h;98%
rhodamine B
509-34-2

rhodamine B

ethylenediamine
107-15-3

ethylenediamine

rhodamine B ethylenediamine
950846-89-6

rhodamine B ethylenediamine

Conditions
ConditionsYield
for 24h; Reflux;95%
In ethanol for 12h; Heating;77%
In ethanol for 12h; Reflux;76%
Ethyl protocatechuate
3943-89-3

Ethyl protocatechuate

rhodamine B
509-34-2

rhodamine B

C28H30O3N2*C9H10O4

C28H30O3N2*C9H10O4

Conditions
ConditionsYield
In acetonitrile at 20℃; for 2.5h;93%
rhodamine B
509-34-2

rhodamine B

methylhydrazine
60-34-4

methylhydrazine

C29H34N4O2
1151831-71-8

C29H34N4O2

Conditions
ConditionsYield
In ethanol for 8h; Reflux;91%
rhodamine B
509-34-2

rhodamine B

rhodamine hydroxamic acid

rhodamine hydroxamic acid

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water for 10h; Reflux;91%
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 25℃; for 2h;75%
Stage #1: rhodamine B With trichlorophosphate In dichloromethane for 6h; Reflux;
Stage #2: With hydroxylamine hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 48h; Inert atmosphere;
72%
rhodamine B
509-34-2

rhodamine B

Trimethylenediamine
109-76-2

Trimethylenediamine

2-(3-aminopropyl)-3',6'-bis(diethylamino)spiro[isoindoline-1,9'-xanthen]-3-one
1217892-39-1

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

Conditions
ConditionsYield
In ethanol for 12h; Reflux;90%
rhodamine B
509-34-2

rhodamine B

N,N-dimethylethylenediamine
108-00-9

N,N-dimethylethylenediamine

C32H40N4O2

C32H40N4O2

Conditions
ConditionsYield
In ethanol for 12h; Reflux;88%
rhodamine B
509-34-2

rhodamine B

rhodamine B hydrazide
74317-53-6

rhodamine B hydrazide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 120℃; for 8h;85%
With hydrazine hydrate In ethanol at 20℃; for 0.5h; Reflux;85%
With hydrazine hydrate In ethanol at 20℃; for 12.5h; Reflux;85%
2,2',2''-triaminotriethylamine
4097-89-6

2,2',2''-triaminotriethylamine

rhodamine B
509-34-2

rhodamine B

rhodamine trisamine
956336-75-7

rhodamine trisamine

Conditions
ConditionsYield
In ethanol for 73h; Inert atmosphere; Reflux;83.1%
In ethanol for 36h; Inert atmosphere; Reflux;83.1%
In ethanol for 36h; Inert atmosphere; Reflux;77.6%
bis(nonafluorobutanesulfonyl)imide
39847-39-7

bis(nonafluorobutanesulfonyl)imide

rhodamine B
509-34-2

rhodamine B

C28H31N2O3(1+)*C8F18NO4S2(1-)

C28H31N2O3(1+)*C8F18NO4S2(1-)

Conditions
ConditionsYield
In dichloromethane; acetone at 20℃; for 4h;82%
N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

rhodamine B
509-34-2

rhodamine B

C29H33N3O3

C29H33N3O3

Conditions
ConditionsYield
Stage #1: rhodamine B With trichlorophosphate In 1,2-dichloro-ethane for 4h; Heating;
Stage #2: N-methoxylamine hydrochloride With triethylamine In dichloromethane at 20℃; for 0.5h; Further stages.;
81%
rhodamine B
509-34-2

rhodamine B

N-Methyl-1,3-propanediamine
6291-84-5

N-Methyl-1,3-propanediamine

sMRh

sMRh

Conditions
ConditionsYield
In ethanol at 85℃; for 48h;80.3%
bis(3-aminopropyl)amine
56-18-8

bis(3-aminopropyl)amine

rhodamine B
509-34-2

rhodamine B

sDRh

sDRh

Conditions
ConditionsYield
In ethanol at 85℃; for 72h;76.7%
ethanolamine
141-43-5

ethanolamine

rhodamine B
509-34-2

rhodamine B

N-(rhodamine-B)lactam-ethanolamine
1119217-92-3

N-(rhodamine-B)lactam-ethanolamine

Conditions
ConditionsYield
Stage #1: rhodamine B With p-toluenesulfonyl chloride In acetonitrile for 0.25h;
Stage #2: With dmap In acetonitrile for 0.25h;
Stage #3: ethanolamine In acetonitrile
71.5%
In ethanol Reflux; Inert atmosphere;68%
piperazine
110-85-0

piperazine

rhodamine B
509-34-2

rhodamine B

trifluoroacetic acid
76-05-1

trifluoroacetic acid

N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium 2,2,2-trifluoroacetate
1100365-01-2

N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium 2,2,2-trifluoroacetate

Conditions
ConditionsYield
Stage #1: piperazine; rhodamine B With trimethylaluminum In dichloromethane for 20h; Reflux;
Stage #2: trifluoroacetic acid
71%
piperazine
110-85-0

piperazine

rhodamine B
509-34-2

rhodamine B

N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium
608136-11-4

N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium

Conditions
ConditionsYield
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h;
Stage #2: rhodamine B In dichloromethane; toluene for 24h; Heating;
70%
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 In N,N-dimethyl-formamide
With trimethylaluminum
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide Inert atmosphere;
2-(2-fluoroethoxy)ethyl 4-methylbenzenesulfonate
1118567-11-5

2-(2-fluoroethoxy)ethyl 4-methylbenzenesulfonate

rhodamine B
509-34-2

rhodamine B

5-fluoro-3-oxapentyl ester of rhodamine B

5-fluoro-3-oxapentyl ester of rhodamine B

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile for 2h; Reflux;70%
rhodamine B
509-34-2

rhodamine B

rhodamine B thiospirolactone
111883-10-4

rhodamine B thiospirolactone

Conditions
ConditionsYield
With Lawessons reagent In benzene for 4h; Heating;65%
1H-benzimidazol-2-amine
934-32-7

1H-benzimidazol-2-amine

rhodamine B
509-34-2

rhodamine B

C35H35N5O2
1363481-93-9

C35H35N5O2

Conditions
ConditionsYield
With trichlorophosphate In acetonitrile for 4h; Reflux;62%
rhodamine B
509-34-2

rhodamine B

4′-(4-amino-phenyl)-2,2′:6′,2′′-terpyridine
178265-65-1

4′-(4-amino-phenyl)-2,2′:6′,2′′-terpyridine

rhodamine B base

rhodamine B base

Conditions
ConditionsYield
With triethylamine; trichlorophosphate In 1,2-dichloro-ethane for 24h; Reflux;61%
2-aminopyridine
504-29-0

2-aminopyridine

rhodamine B
509-34-2

rhodamine B

C33H34N4O2

C33H34N4O2

Conditions
ConditionsYield
With trichlorophosphate at 70℃; for 0.5h;60%
rhodamine B
509-34-2

rhodamine B

3',6'-diamino-spiro[phthalan-1,9'-xanthen]-3-one
509-72-8

3',6'-diamino-spiro[phthalan-1,9'-xanthen]-3-one

Conditions
ConditionsYield
With trifluoroacetic acid In ethanol for 2.55h; Photolysis;59%
rhodamine B
509-34-2

rhodamine B

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

1,2-diamino-benzene

C34H36N4O2
1034863-51-8

C34H36N4O2

Conditions
ConditionsYield
Stage #1: rhodamine B With trichlorophosphate for 4h; Reflux;
Stage #2: 1,2-diamino-benzene With triethylamine In acetonitrile at 20℃;
56%
dansyl hydrazine
33008-06-9

dansyl hydrazine

rhodamine B
509-34-2

rhodamine B

C40H43N5O4S

C40H43N5O4S

Conditions
ConditionsYield
Stage #1: rhodamine B With trichlorophosphate Reflux;
Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h;
54%
Stage #1: rhodamine B With trichlorophosphate for 6h; Reflux;
Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h;
46%
piperazine
110-85-0

piperazine

rhodamine B
509-34-2

rhodamine B

C32H39N4O2(1+)*ClH*Cl(1-)
1177261-93-6

C32H39N4O2(1+)*ClH*Cl(1-)

Conditions
ConditionsYield
Stage #1: piperazine; rhodamine B With trimethylaluminum In hexane; dichloromethane for 24h; Inert atmosphere; Reflux;
Stage #2: With hydrogenchloride In hexane; dichloromethane; water Inert atmosphere;
52%

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