Products

Refine

Country

Business Type

Certificate

Display

Chongqing Changfeng Chemical Co., Ltd.

Dear Sir, We are indigo blue, indigo black and indigo violet manufacturer in China. Wish to have chance to cooperate with you on your market. Indigo blue, indigo black and indigo violet are mainly applied to dye blue d

Indigo

Cas:482-89-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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 Natural Indigo supplier in China

Cas:482-89-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Xi'an Quanao Biotech Co., Ltd.

We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,

Food Grade Indigo CAS 482-89-3

Cas:482-89-3

Min.Order:1 Kilogram

FOB Price: $41.0 / 43.6

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice App

Indigo (synthetic)

Cas:482-89-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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

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

Factory Price Dyes Pigments Indigo 482-89-3 Manufacturer

Cas:482-89-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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,

Indigo

Cas:482-89-3

Min.Order:10 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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 Indigo 98% TOP1 supplier in China

Cas:482-89-3

Min.Order:100 Gram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

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

Indigo (C.I. 73000)

Cas:482-89-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Leader Biochemical Group

About Product Details Item Specification Test Results Appearance White crystalline powder Conform

China Biggest factory Supply High Quality Indigo CAS 482-89-3

Cas:482-89-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

Indigo CAS: 482-89-3

Cas:482-89-3

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

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

Pharmaceutical Grade CAS 482-89-3 with competitive price

Cas:482-89-3

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 We can also provide MT1 peptide powd

IndigoCAS482-89-3

Cas:482-89-3

Min.Order:1 Kilogram

FOB Price: $10.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:Dark blue powder Storage:R.T Package:25kg/bag Application:Blue colorant Transportation:Express/Sea/Air Port:Any port in China

Dye Indigo cas 482-89-3

Cas:482-89-3

Min.Order:100 Kilogram

Negotiable

Type:Lab/Research institutions

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

3H-Indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- 482-89-3

Cas:482-89-3

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

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

As textile dye Indigo/CAS:482-89-3

Cas:482-89-3

Min.Order:1 Kilogram

FOB Price: $8.0 / 16.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Indigo CAS:482-89-3 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, stero

Indigo CAS:482-89-3

Cas:482-89-3

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

3H-Indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-

Cas:482-89-3

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

CAS 482-89-3 Indigo

Cas:482-89-3

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

3H-Indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-

Cas:482-89-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

high purity Indigo cas no.482-89-3

Cas:482-89-3

Min.Order:25 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

Indigo

Cas:482-89-3

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

Indigo

Cas:482-89-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

Indigo

Cas:482-89-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

Indigo

Cas:482-89-3

Min.Order:1 Gram

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 Natural Indigo

Cas:482-89-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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.

TIANFU-CHEM CAS NO.482-89-3 Indigo

Cas:482-89-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

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

Indigo

Cas:482-89-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Buy Top Purity Indigo

Cas:482-89-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-oxoindole
59-48-3

2-oxoindole

2-chloro-3H-indol-3-one
612-54-4

2-chloro-3H-indol-3-one

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
In toluene for 1h; Heating;96%
indole-2,3-dione
91-56-5

indole-2,3-dione

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With tetraphosphorus decasulfide In pyridine at 85℃; for 0.0833333h;90%
Multi-step reaction with 2 steps
1: PCl5 / benzene / 4 h / Heating
2: 70 percent / thiophenol / benzene / 4 h / Heating; further thiophenols used: 1) p-CH3C6H4SH, 2) p-ClC6H4SH, 3) m-CH3C6H4SH, 4) o-CH3C6H4SH
View Scheme
Multi-step reaction with 2 steps
1: benzene; phosphorus pentachloride
2: zinc dust; glacial acetic acid
View Scheme
1-acetyl-2,3-dihydro-1H-indol-3-one
16800-68-3

1-acetyl-2,3-dihydro-1H-indol-3-one

N,O-diacetylindoxyl
16800-67-2

N,O-diacetylindoxyl

A

1,2-diacetyl-3-indolinone
110912-08-8

1,2-diacetyl-3-indolinone

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sulfuric acid In acetic anhydride at 20℃; for 20h;A 88.8%
B n/a
1-acetyl-2-propionyl-3-indolinone
110912-09-9

1-acetyl-2-propionyl-3-indolinone

A

1-(3-Hydroxy-1H-indol-2-yl)-propan-1-one
110912-10-2

1-(3-Hydroxy-1H-indol-2-yl)-propan-1-one

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium hydroxide at 20℃; for 2h;A 86.4%
B n/a
1,2-diacetyl-3-indolinone
110912-08-8

1,2-diacetyl-3-indolinone

A

1-(3-Hydroxy-1H-indol-2-yl)ethanon
22079-15-8

1-(3-Hydroxy-1H-indol-2-yl)ethanon

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium hydroxide at 20℃; for 2h;A 85.7%
B n/a
N,O-diacetylindoxyl
16800-67-2

N,O-diacetylindoxyl

propionic acid anhydride
123-62-6

propionic acid anhydride

A

1-acetyl-2-propionyl-3-indolinone
110912-09-9

1-acetyl-2-propionyl-3-indolinone

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sulfuric acid In acetic anhydrideA 72%
B n/a
2-chloro-3H-indol-3-one
612-54-4

2-chloro-3H-indol-3-one

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With thiophenol In benzene for 4h; Heating; further thiophenols used: 1) p-CH3C6H4SH, 2) p-ClC6H4SH, 3) m-CH3C6H4SH, 4) o-CH3C6H4SH;70%
With hydrogen iodide; acetic acid
With acetic acid; zinc
With ammonium sulfide
With phosphorous
1-acetyl-2-benzoyl-3-indolinone
110912-11-3

1-acetyl-2-benzoyl-3-indolinone

A

2-benzoyl-3-hydroxyindole
22078-82-6

2-benzoyl-3-hydroxyindole

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium hydroxide In methanol at 20℃; for 20h;A 67.8%
B n/a
1-(phenylsulfonyl)-2-trimethylsilylindol-3-yl trifluoromethanesulfonate
144646-98-0

1-(phenylsulfonyl)-2-trimethylsilylindol-3-yl trifluoromethanesulfonate

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran51%
2,3-dioxo-2,3-dihydro-1H-indole-5-sulfonate
78551-19-6

2,3-dioxo-2,3-dihydro-1H-indole-5-sulfonate

1H-indol-3-ol anion

1H-indol-3-ol anion

A

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

B

indirubin-5'-sulfonate

indirubin-5'-sulfonate

Conditions
ConditionsYield
With N,N'-bis(6A-deoxy-β-cyclodextrin-6A-yl)NHCOCONH In water at 20℃; pH=10.0; Product distribution; Further Variations:; Reagents;A 1.8%
B 36%
3-methylbenzo[c]isoxazole
4127-53-1

3-methylbenzo[c]isoxazole

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
at 300℃; for 2h; spray vacuum pyrolysis;15%
oxirane
75-21-8

oxirane

aniline
62-53-3

aniline

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With potassium hydroxide; sodium hydroxide; sodium amide at 200℃; Reaktion ueber mehrere Stufen;
pyridine
110-86-1

pyridine

indolin-3-one
3260-61-5

indolin-3-one

2-chloro-3H-indol-3-one
612-54-4

2-chloro-3H-indol-3-one

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

indole
120-72-9

indole

Perbenzoic acid
93-59-4

Perbenzoic acid

chloroform
67-66-3

chloroform

A

N-formyl-2-aminobenzaldehyde
25559-38-0

N-formyl-2-aminobenzaldehyde

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

indole
120-72-9

indole

Perbenzoic acid
93-59-4

Perbenzoic acid

A

N-formyl-2-aminobenzaldehyde
25559-38-0

N-formyl-2-aminobenzaldehyde

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With chloroform
indole
120-72-9

indole

A

indoxyl
480-93-3

indoxyl

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

indole
120-72-9

indole

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With air; sodium sulfite
With air; sodium hydrogensulfite
With dihydrogen peroxide; sodium hydrogencarbonate
2-acetylnitrobenzene
577-59-3

2-acetylnitrobenzene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With soda lime; methyllithium; calcium carbonate; zinc
Multi-step reaction with 5 steps
1: H2 / Pd-C
2: aq NaNO2, 1:1 dil aq HCl / 0 °C
3: aq NaN3/NaOAc / 0.17 h
4: xylene / Heating
5: 15 percent / 2 h / 300 °C / spray vacuum pyrolysis
View Scheme
Multi-step reaction with 4 steps
1: H2 / Pd-C
2: aq NaNO2, 1:1 dil aq HCl / 0 °C
3: aq NaN3/NaOAc / 0.17 h
4: 0.5 g / 2 h / 300 °C / spray vacuum pyrolysis
View Scheme
2-chloro-3H-indol-3-one
612-54-4

2-chloro-3H-indol-3-one

A

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

B

indirubin
479-41-4

indirubin

Conditions
ConditionsYield
With acetic acid; zinc
2-formyl-3-hydroxyindole
172984-51-9

2-formyl-3-hydroxyindole

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
Oxydieren;
1H-indole-3-carboxylic acid
771-50-6

1H-indole-3-carboxylic acid

A

anthranilic acid
118-92-3

anthranilic acid

B

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium hydroxide; ozone; acetone
3-hydroxy-1H-indole-2-carboxylic acid
6245-93-8

3-hydroxy-1H-indole-2-carboxylic acid

3-(2-nitrophenyl)-2-propynoic acid
530-85-8

3-(2-nitrophenyl)-2-propynoic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium carbonate
3-hydroxy-1H-indole-2-carboxylic acid
6245-93-8

3-hydroxy-1H-indole-2-carboxylic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

1-hydroxy-1H-indole-2-carboxylic acid
16264-71-4

1-hydroxy-1H-indole-2-carboxylic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sulfuric acid
2'-nitro-chalcone
16619-38-8

2'-nitro-chalcone

A

benzaldehyde
100-52-7

benzaldehyde

B

benzoic acid
65-85-0

benzoic acid

C

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
Sonnenlicht;
2-phenylimino-indolin-3-one
6411-55-8

2-phenylimino-indolin-3-one

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With hydrogen sulfide
D-glucose
50-99-7

D-glucose

2-Nitrobenzoylessigsaeure
22751-16-2

2-Nitrobenzoylessigsaeure

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

β-(2-Nitrophenyl)-β-propiolacton
78992-73-1

β-(2-Nitrophenyl)-β-propiolacton

acetic acid
64-19-7

acetic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

1-nitro-2-(2-nitrovinyl)benzene
5670-66-6, 5670-67-7, 3156-39-6

1-nitro-2-(2-nitrovinyl)benzene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With sodium dithionite
3-(2-nitrophenyl)-2-propynoic acid
530-85-8

3-(2-nitrophenyl)-2-propynoic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

Conditions
ConditionsYield
With hydrogen sulfide; sodium carbonate
With potassium xanthate; water; potassium carbonate
With D-glucose
iodobenzene
591-50-4

iodobenzene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N,N'-diphenyl-indigo

N,N'-diphenyl-indigo

Conditions
ConditionsYield
With copper; potassium carbonate In 1,2-dichloro-benzene for 10h; Heating;91.7%
1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

indole-2,3-dione
91-56-5

indole-2,3-dione

Conditions
ConditionsYield
With potassium dichromate; sulfuric acid In water at 40 - 45℃; for 1.5h;90%
With sodium hydroxide Erwaermen des Reaktionsprodukts mit Salpetersaeure (15%ig) die Chromsaeure enthaelt, nach Filtern und den Rueckstand in Natronlauge Loesen und Behandeln mit Saeure;
With nitric acid
With chromic acid
With oxygen; methylene blue In dimethylsulfoxide-d6 for 8h; Irradiation;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

1,1'-bis(tert-butoxycarbonyl)-bis(2,2'-indolidene)-3,3'-dion

1,1'-bis(tert-butoxycarbonyl)-bis(2,2'-indolidene)-3,3'-dion

Conditions
ConditionsYield
With dmap In dichloromethane at 20℃; for 48h; Inert atmosphere;90%
With dmap In dichloromethane at 20℃;89%
With dmap In N,N-dimethyl-formamide at 20℃; for 20h;85.2%
acetic acid
64-19-7

acetic acid

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

2,2'-diacetoxy-1,2,1',2'-tetrahydro-[2,2']biindolyl-3,3'-dione
908835-88-1

2,2'-diacetoxy-1,2,1',2'-tetrahydro-[2,2']biindolyl-3,3'-dione

Conditions
ConditionsYield
With potassium permanganate at 20℃;88%
With lead dioxide
With manganese(IV) oxide
acetic anhydride
108-24-7

acetic anhydride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

1H,1'H-2,2'-­bisindol-­3-­yl acetate
69423-26-3

1H,1'H-2,2'-­bisindol-­3-­yl acetate

Conditions
ConditionsYield
With tin; acetic acid at 64 - 66℃; reductive acetylation;88%
With tin In acetic acid at 64 - 66℃;85%
With tin; acetic acid at 64 - 66℃; for 3h;85%
With iron; acetic acid at 64 - 66℃; for 2.5h;82%
acetic anhydride
108-24-7

acetic anhydride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

2,2'-biindole
40899-99-8

2,2'-biindole

B

1H,1'H-2,2'-­bisindol-­3-­yl acetate
69423-26-3

1H,1'H-2,2'-­bisindol-­3-­yl acetate

Conditions
ConditionsYield
With tin In acetic acid at 64 - 66℃; for 2.5h;A 1%
B 88%
acetic anhydride
108-24-7

acetic anhydride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

2,2'-biindole
40899-99-8

2,2'-biindole

B

1-acetyl-2,3-dihydro-2,2'-bisindole
172950-81-1

1-acetyl-2,3-dihydro-2,2'-bisindole

C

1H,1'H-2,2'-­bisindol-­3-­yl acetate
69423-26-3

1H,1'H-2,2'-­bisindol-­3-­yl acetate

Conditions
ConditionsYield
With acetic acid; zinc at 60 - 62℃; for 8h;A 3%
B 82%
C 3%
With zinc In acetic acid at 60 - 62℃; for 8h;A 3%
B 82%
C 3%
With zinc In acetic acid at 49 - 52℃; for 8h; Product distribution; var. metal, temp., time, atm.;A 46%
B 21%
C 18%
4-iodo-benzoic acid hexyl ester
501102-39-2

4-iodo-benzoic acid hexyl ester

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N,N'-di(p-hexanoxycarbonylphenyl)indigo

N,N'-di(p-hexanoxycarbonylphenyl)indigo

Conditions
ConditionsYield
With copper; potassium carbonate In 1,2-dichloro-benzene for 17h; Heating;80.7%
1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

dibenzo{b,g}{1,5}-naphthiridin-6,12(5,11H)-dione
17352-37-3

dibenzo{b,g}{1,5}-naphthiridin-6,12(5,11H)-dione

Conditions
ConditionsYield
In gas at 460℃;80%
2-propynyl chloride
624-65-7

2-propynyl chloride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

1-(prop-2-yn-1-yl)-[2,2'-biindolinylidene]-3,3'-dione

1-(prop-2-yn-1-yl)-[2,2'-biindolinylidene]-3,3'-dione

B

6-methylene-6,7-dihydropyrazino[1,2-a:4,3-a']diindole-13,14-dione
1447733-33-6

6-methylene-6,7-dihydropyrazino[1,2-a:4,3-a']diindole-13,14-dione

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione With caesium carbonate In N,N-dimethyl-formamide at 88℃; for 1h; Inert atmosphere; Molecular sieve;
Stage #2: 2-propynyl chloride In N,N-dimethyl-formamide for 0.0833333h; Inert atmosphere; Molecular sieve; Cooling with ice;
A 3%
B 79%
para-iodoanisole
696-62-8

para-iodoanisole

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N,N'-bis-4-methoxyphenylindigo

N,N'-bis-4-methoxyphenylindigo

Conditions
ConditionsYield
With copper; potassium carbonate In 1,2-dichloro-benzene for 10h; Heating;73.8%
allyl bromide
106-95-6

allyl bromide

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

8H,16H-pyrido[1,2,3-s,t]-indolo[1,2-a]azepino[3,4-b]indol-17-one
1201851-45-7

8H,16H-pyrido[1,2,3-s,t]-indolo[1,2-a]azepino[3,4-b]indol-17-one

B

1-allyl-10'-allyloxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one
1201851-44-6

1-allyl-10'-allyloxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; Sonication;
Stage #2: With caesium carbonate In N,N-dimethyl-formamide at 85 - 88℃; for 0.5h; Inert atmosphere; Molecular sieve;
Stage #3: allyl bromide In N,N-dimethyl-formamide at 85 - 88℃; for 3h; Inert atmosphere; Molecular sieve;
A 72%
B 15%
acetyl chloride
75-36-5

acetyl chloride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N-acetylindigo
102396-60-1

N-acetylindigo

Conditions
ConditionsYield
In pyridine at 45℃; for 2h;70%
With sodium hydride 1.) HMPA, 0 deg C, 4 h, 2.) HMPA, 15 h; Yield given. Multistep reaction;
2-methyl-3-bromo-1-propene
1458-98-6

2-methyl-3-bromo-1-propene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

7,15-dimethyl-8H,16H-pyrido[1,2,3-s,t]-indolo[1,2-a]azepino[3,4-b]indol-17-one
1201851-47-9

7,15-dimethyl-8H,16H-pyrido[1,2,3-s,t]-indolo[1,2-a]azepino[3,4-b]indol-17-one

B

3'-methyl-1-[3-(2-methyl)prop-1-enyl]-10'-[3-(2-methyl)-prop-1-enyl]oxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one
1201851-46-8

3'-methyl-1-[3-(2-methyl)prop-1-enyl]-10'-[3-(2-methyl)-prop-1-enyl]oxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; Sonication;
Stage #2: With caesium carbonate In N,N-dimethyl-formamide at 85 - 88℃; for 0.5h; Inert atmosphere; Molecular sieve;
Stage #3: 2-methyl-3-bromo-1-propene In N,N-dimethyl-formamide at 85 - 88℃; for 3h; Inert atmosphere; Molecular sieve;
A 69%
B 15%
pyridine-3-carbonyl chloride hydrochloride
20260-53-1

pyridine-3-carbonyl chloride hydrochloride

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N,N'-dinicotinoyl-2,2'-bi-indolinylidene-3,3'-dione
95201-47-1

N,N'-dinicotinoyl-2,2'-bi-indolinylidene-3,3'-dione

Conditions
ConditionsYield
With pyridine at 50℃; for 5h;68%
μ-diiodo-di((η5-pentamethylcyclopentadienyl)(iodo)iridium)

μ-diiodo-di((η5-pentamethylcyclopentadienyl)(iodo)iridium)

phthalocyaninatotin(II)
15304-57-1

phthalocyaninatotin(II)

tetrabutylammomium bromide
1643-19-2

tetrabutylammomium bromide

1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

2C16H36N(1+)*0.5C16H12N2O2*2.5C6H4Cl2*2C58H39IrN10O2Sn(1-)

2C16H36N(1+)*0.5C16H12N2O2*2.5C6H4Cl2*2C58H39IrN10O2Sn(1-)

Conditions
ConditionsYield
Stage #1: phthalocyaninatotin(II); tetrabutylammomium bromide; 1,2-dichloro-benzene; 1H,1H'-2,2'-Biindolylidene-3,3'-dione With fluorenone radical anion sodium contact ion pair at 80℃; for 24h;
Stage #2: μ-diiodo-di((η5-pentamethylcyclopentadienyl)(iodo)iridium) at 80℃; for 24h;
67%
1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

d2-indigo
78347-23-6

d2-indigo

Conditions
ConditionsYield
With pyridine; d(4)-methanol for 12h; 1.)reflux, 2 h 2.)20 deg C, 12 h;66.2%
1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

2'-methyl-1-[1-(but-2-enyl)]-10'-[1-(but-2-enyl)]oxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one

2'-methyl-1-[1-(but-2-enyl)]-10'-[1-(but-2-enyl)]oxy-2'H-spiro(indoline-2,1'-pyrido[1,2-a]indol)-3-one

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; Sonication;
Stage #2: With caesium carbonate In N,N-dimethyl-formamide at 85 - 88℃; for 0.5h; Inert atmosphere; Molecular sieve;
Stage #3: (E)-1-Bromo-2-butene In N,N-dimethyl-formamide at 85 - 88℃; for 3h; Inert atmosphere; Molecular sieve;
65%
1-Bromo-2-butyne
3355-28-0

1-Bromo-2-butyne

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

13-(but-2-yn-1-yl)-7a-methylbenzo[b]indolo[1,2-h][1,7]naphthyridine-8,14-(7aH,13H)-dione

13-(but-2-yn-1-yl)-7a-methylbenzo[b]indolo[1,2-h][1,7]naphthyridine-8,14-(7aH,13H)-dione

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione With caesium carbonate In N,N-dimethyl-formamide at 85℃; for 0.5h; Inert atmosphere;
Stage #2: 1-Bromo-2-butyne In N,N-dimethyl-formamide at 85℃; for 0.0666667h; Inert atmosphere;
65%
1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

[2.2.2]cryptande
23978-09-8

[2.2.2]cryptande

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

6C18H36N2O6*6C16H10N2O2(1-)*6K(1+)*C16H10N2O2*5.5C6H4Cl2

6C18H36N2O6*6C16H10N2O2(1-)*6K(1+)*C16H10N2O2*5.5C6H4Cl2

Conditions
ConditionsYield
With potassium graphite at 80℃; Inert atmosphere; Glovebox;63%
2-methyl-3-bromo-1-propene
1458-98-6

2-methyl-3-bromo-1-propene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

A

8a-hydroxy-7-methyl-13-(2-methylallyl)-8,13a-dihydroazepino[1,2-a:3,4-b']diindol-14(8H)-one

8a-hydroxy-7-methyl-13-(2-methylallyl)-8,13a-dihydroazepino[1,2-a:3,4-b']diindol-14(8H)-one

B

(E)-1-(2-methylallyl)-[2,2'-biindolinylidene]-3,3'-dione

(E)-1-(2-methylallyl)-[2,2'-biindolinylidene]-3,3'-dione

Conditions
ConditionsYield
Stage #1: 1H,1H'-2,2'-Biindolylidene-3,3'-dione In N,N-dimethyl-formamide for 0.5h; Inert atmosphere; Sonication;
Stage #2: With caesium carbonate In N,N-dimethyl-formamide at 85 - 88℃; for 0.5h; Inert atmosphere;
Stage #3: 2-methyl-3-bromo-1-propene In N,N-dimethyl-formamide for 0.00138889h; Time; Inert atmosphere;
A 7%
B 62%
1-Iodonaphthalene
90-14-2

1-Iodonaphthalene

1H,1H'-2,2'-Biindolylidene-3,3'-dione
482-89-3

1H,1H'-2,2'-Biindolylidene-3,3'-dione

N-naphthylindigo

N-naphthylindigo

Conditions
ConditionsYield
With copper; potassium carbonate In 1,2-dichloro-benzene for 13h; Heating;60%
Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View