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Zhejiang Haizhou Pharmaceutical Co., Ltd.

Specification: In-house; Certification: ISO; EDQM Approved Facility; Appearance:White Storage:Preserve in well-closed containers Package:250kg/bag Application:Contrast Agent Transportation:Store in ambient environment Port:Shanghai, Ningbo, etc

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:50 Gram

Negotiable

Type:Trading Company

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 quantities

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

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.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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

5-Acetamido-N,N-bis-(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide

Cas:31127-80-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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 o

tianfu chem 5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Technical Details

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

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

New production CAS 31127-80-7 with best quality

Cas:31127-80-7

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 the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide CAAS31127-80-7

Cas:31127-80-7

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide Synonyms: Iohexol Related CoMpound A;5-(acetaMido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-be

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiono-1,3-benzenedicarboxamide CAS: 31127-80-7

Cas:31127-80-7

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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

1,3-Benzenedicarboxamide,5-(acetylamino)-N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodo- 31127-80-7

Cas:31127-80-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide CAS:31127-80-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade o

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide CAS:31127-80-7

Cas:31127-80-7

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

1,3-Benzenedicarboxamide,5-(acetylamino)-N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-

Cas:31127-80-7

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

1,3-Benzenedicarboxamide,5-(acetylamino)-N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-

Cas:31127-80-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

5-(ACETAMIDO)-N,N'-BIS(2,3-DIHYDROXYPROPYL)-2,4,6-TRIIONO-1,3-BENZENEDICARBOXAMIDE

Cas:31127-80-7

Min.Order:1 Gram

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

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 5-(Acetamido)-N,N'-Bis(2,3-Dihydroxypropyl)-2,4,6-Triiodo-1,3-Benzenedicarboxamide

Cas:31127-80-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamideAppearance:white powder Storage:Keep away of light, cool place Package:according to customers' requirements Application:pharmaceutical intermediates Transportation:By a

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide interm

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 5-(Acetamido)-N,N’-Bis(2,3-Dihydroxypropyl)-2,4,6-Triiono-1,3-Benzenedicarboxamide CAS No.: 31127-80-7 Molecule Formula:C16H20I3N3O7 Molecule Weight:747.06 Purity: 99.0% Package: 25kg/drum Description:White crystalline powde

Lower Price 5-(Acetamido)-N,N’-Bis(2,3-Dihydroxypropyl)-2,4,6-Triiono-1,3-Benzenedicarboxamide in stock

Cas:31127-80-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide Basic information Product Name: 5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide Synonyms: 5-Acetamino-N,N'-bis(2,

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

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

5-(Acetamido)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide

Cas:31127-80-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Synthetic route

5-acetamido-2,4,6-triiodo-1,3-phthalamide

5-acetamido-2,4,6-triiodo-1,3-phthalamide

epichlorohydrin
106-89-8

epichlorohydrin

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
Stage #1: 5-acetamido-2,4,6-triiodo-1,3-phthalamide; epichlorohydrin With 1-hexyl-3-methylimidazolium hexafluorophosphate at 80℃; for 3h;
Stage #2: With water at 30℃; for 5h; Reagent/catalyst; Temperature;
97%
5-acetamido-2,4,6-triiodoisophthaloyl dichloride
31122-75-5

5-acetamido-2,4,6-triiodoisophthaloyl dichloride

5-(acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide sodium salt

5-(acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide sodium salt

3-Amino-1,2-propanediol
616-30-8, 13552-31-3

3-Amino-1,2-propanediol

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
With hydrogenchloride In methanol; water; 2,4-dichlorophenoxyacetic acid dimethylamine92%
iohexol
66108-95-0

iohexol

3-monochloro-1,2-propanediol
96-24-2

3-monochloro-1,2-propanediol

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
With lithium hydroxide In methanol92%
5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide
76801-93-9

5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide

acetic anhydride
108-24-7

acetic anhydride

A

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

B

3-(3-acetamido-5-((2,2-dimethyl-1,3-dioxolan-4-yl)methylcarbamoyl)-2,4,6-triiodobenzamido)-propane-1,2-diyl diacetate

3-(3-acetamido-5-((2,2-dimethyl-1,3-dioxolan-4-yl)methylcarbamoyl)-2,4,6-triiodobenzamido)-propane-1,2-diyl diacetate

C

5-acetamido-N,N′-bis-(2,2-dimethyl-1,3-dioxolan-4-yl)methyl-2,4,6-triiodoisophthaldiamide

5-acetamido-N,N′-bis-(2,2-dimethyl-1,3-dioxolan-4-yl)methyl-2,4,6-triiodoisophthaldiamide

D

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

E

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

Conditions
ConditionsYield
Stage #1: 5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide; acetic anhydride With toluene-4-sulfonic acid In acetone for 0.25h; Reflux;
Stage #2: With sodium hydroxide In water; acetone
A 70%
B 32%
C 17%
D n/a
E n/a
5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide
76801-93-9

5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide

acetic anhydride
108-24-7

acetic anhydride

A

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

B

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

C

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

3-acetamido-N-(2,3-dihydroxypropyl)-5-(5-hydroxymethyl-2,2-dimethyloxazolidine-3-carbonyl)-2,4,6-triiodobenzamide

Conditions
ConditionsYield
Stage #1: 5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide; acetic anhydride With toluene-4-sulfonic acid In acetone for 0.25h; Reflux;
Stage #2: With sodium hydroxide In water; acetone
Stage #3: With sulfuric acid In water; acetone pH=0;
A 70%
B n/a
C n/a
5-Amino-N,N'-bis[2,3-dihydroxypropyl]-1,3-benzenedicarboxamide
76820-35-4

5-Amino-N,N'-bis[2,3-dihydroxypropyl]-1,3-benzenedicarboxamide

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Iodine monochloride / 6 h / 50 °C
2: sulfuric acid / water / 50 - 100 °C
3: sodium hydroxide; water / 20 °C / pH 9 - 11
View Scheme
5-nitro-N,N'-bis-(2,3-dihydroxypropyl)isophthalamide
76820-34-3

5-nitro-N,N'-bis-(2,3-dihydroxypropyl)isophthalamide

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 5%-palladium/activated carbon; hydrogen / 70 °C / 9000.9 Torr / Autoclave
2: Iodine monochloride / 6 h / 50 °C
3: sulfuric acid / water / 50 - 100 °C
4: sodium hydroxide; water / 20 °C / pH 9 - 11
View Scheme
dimethyl 5-nitroisophthalate
13290-96-5

dimethyl 5-nitroisophthalate

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: sodium methylate / methanol / 20 - 50 °C
2: 5%-palladium/activated carbon; hydrogen / 70 °C / 9000.9 Torr / Autoclave
3: Iodine monochloride / 6 h / 50 °C
4: sulfuric acid / water / 50 - 100 °C
5: sodium hydroxide; water / 20 °C / pH 9 - 11
View Scheme
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

epichlorohydrin
106-89-8

epichlorohydrin

A

iohexol
66108-95-0

iohexol

B

iodixanol
92339-11-2

iodixanol

Conditions
ConditionsYield
With hydrogenchloride; boric acid; potassium hydroxide In water pH=10 - 11; Product distribution / selectivity; Industry scale;A 7.5%
B 86.3%
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With sodium hydroxide In methanol at 45℃;
Stage #2: epichlorohydrin With hydrogenchloride In methanol at 20℃; for 48h; Product distribution / selectivity;
A 7.42%
B 52.1%
With hydrogenchloride; sodium hydroxide In water at 20℃; for 48h; pH=12.2 - 12.7;A 5.1%
B 43.5%
1-azido-2,3-epoxypropane
80044-09-3

1-azido-2,3-epoxypropane

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

C19H25I3N6O8
1309926-44-0

C19H25I3N6O8

Conditions
ConditionsYield
With boric acid; sodium hydroxide In methanol; water at 40℃; for 6h;70%
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

epichlorohydrin
106-89-8

epichlorohydrin

iodixanol
92339-11-2

iodixanol

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide In 2-methoxy-ethanol; water at 20℃; for 192h; Product distribution / selectivity;69.1%
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With sodium hydroxide In 1-methoxy-2-propanol; water at 15 - 55℃;
Stage #2: epichlorohydrin With hydrogenchloride In 1-methoxy-2-propanol at 15℃; Product distribution / selectivity;
59.4%
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With sodium hydroxide In methanol at 45℃;
Stage #2: epichlorohydrin With hydrogenchloride In methanol at 10℃; for 48h;
46.8%
3-chloro-2-hydroxy-1-propyl acetate
24573-30-6

3-chloro-2-hydroxy-1-propyl acetate

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

3-(N-(2,5-bis((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)acetamido)--2-hydrooxypropylacetate

3-(N-(2,5-bis((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)acetamido)--2-hydrooxypropylacetate

Conditions
ConditionsYield
With sodium methylate In N,N-dimethyl acetamide at 20℃; for 18h; pH=11.5 - 12; pH-value; Reagent/catalyst; Solvent; Temperature;63%
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

tert-butyl N-(2-oxiranylmethyl)carbamate
148982-76-7, 149057-20-5, 115198-80-6

tert-butyl N-(2-oxiranylmethyl)carbamate

5-[Acetyl-(3-amino-2-hydroxy-propyl)-amino]-N,N'-bis-(2,3-dihydroxy-propyl)-2,4,6-triiodo-isophthalamide
1150307-23-5

5-[Acetyl-(3-amino-2-hydroxy-propyl)-amino]-N,N'-bis-(2,3-dihydroxy-propyl)-2,4,6-triiodo-isophthalamide

Conditions
ConditionsYield
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With potassium hydroxide In water; tert-butyl alcohol at 40℃;
Stage #2: With boric acid In water; tert-butyl alcohol
Stage #3: tert-butyl N-(2-oxiranylmethyl)carbamate With hydrogenchloride; potassium hydroxide more than 3 stages;
19%
With hydrogenchloride; potassium hydroxide; boric acid In water; tert-butyl alcohol19%
2-chloromethyl-2-methyloxiran
598-09-4

2-chloromethyl-2-methyloxiran

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

5,5'-(2-hydroxy-2-methylpropane-1,3-diyl)bis(acetylazanediyl)bis(N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide)
1186057-94-2

5,5'-(2-hydroxy-2-methylpropane-1,3-diyl)bis(acetylazanediyl)bis(N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide)

Conditions
ConditionsYield
Stage #1: 2-chloromethyl-2-methyloxiran; N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With boric acid; potassium hydroxide In methanol; water at 20℃; pH=12.6 - 13;
Stage #2: With hydrogenchloride In methanol; water pH=4;
3%
1-chloro-3-methoxypropan-2-ol
4151-97-7

1-chloro-3-methoxypropan-2-ol

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

A

N,N'-bis(2,3-dihydroxypropyl)-5-[N-(2-hydroxy-3-methoxypropyl)acetamido]-2,4,6-triiodoisophthalamide

N,N'-bis(2,3-dihydroxypropyl)-5-[N-(2-hydroxy-3-methoxypropyl)acetamido]-2,4,6-triiodoisophthalamide

B

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N,N'-bis-(2,3-dihydroxy-propyl)-N-(2-hydroxy-3-methoxy-propyl)-2,4,6-triiodo-isophthalamide

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N,N'-bis-(2,3-dihydroxy-propyl)-N-(2-hydroxy-3-methoxy-propyl)-2,4,6-triiodo-isophthalamide

C

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N-(2,3-dihydroxy-propyl)-N'-[3-hydroxy-2-(2-hydroxy-3-methoxy-propoxy)-propyl]-2,4,6-triiodo-isophthalamide

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N-(2,3-dihydroxy-propyl)-N'-[3-hydroxy-2-(2-hydroxy-3-methoxy-propoxy)-propyl]-2,4,6-triiodo-isophthalamide

D

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N-(2,3-dihydroxy-propyl)-N'-[2-hydroxy-3-(2-hydroxy-3-methoxy-propoxy)-propyl]-2,4,6-triiodo-isophthalamide

5-[Acetyl-(2-hydroxy-3-methoxy-propyl)-amino]-N-(2,3-dihydroxy-propyl)-N'-[2-hydroxy-3-(2-hydroxy-3-methoxy-propoxy)-propyl]-2,4,6-triiodo-isophthalamide

Conditions
ConditionsYield
With sodium hydroxide; calcium chloride multistep reaction; cationic influence on the N/O alkylation selectivity; various metals chloride; var. concentr., var. reaction times and temperatures;A 83.85 % Chromat.
B n/a
C n/a
D n/a
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

5--N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide
171897-76-0

5--N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide

5,5'-(N-acetyl-2-hydroxypropane-1,3-diyldiamino)bis

5,5'-(N-acetyl-2-hydroxypropane-1,3-diyldiamino)bis

Conditions
ConditionsYield
In water for 48h; Ambient temperature; pH=12.0;
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

3-monochloro-1,2-propanediol
96-24-2

3-monochloro-1,2-propanediol

butan-1-ol
71-36-3

butan-1-ol

iohexol
66108-95-0

iohexol

Conditions
ConditionsYield
With sodium hydroxide; Ca(OH)2 In water
With sodium hydroxide; Ca(OH)2 In water
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

iohexol
66108-95-0

iohexol

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

oxiranyl-methanol
556-52-5

oxiranyl-methanol

iohexol
66108-95-0

iohexol

Conditions
ConditionsYield
With potassium hydroxide In methanol; dimethyl sulfoxide; isopropyl alcohol
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With boric acid; potassium hydroxide In water at 10℃; for 48h; pH=12.4;
Stage #2: oxiranyl-methanol In water at 10℃; for 24h; pH=12.6-13; Time; pH-value;
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

3-monochloro-1,2-propanediol
96-24-2

3-monochloro-1,2-propanediol

iohexol
66108-95-0

iohexol

Conditions
ConditionsYield
With sodium methylate In propylene glycol
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With sodium hydroxide In methanol; 1-methoxy-2-propanol at 25 - 45℃;
Stage #2: 3-monochloro-1,2-propanediol In methanol; 1-methoxy-2-propanol at 25℃; for 25.5h; Product distribution / selectivity;
Stage #1: N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With sodium hydroxide In 1-methoxy-2-propanol; water at 25 - 45℃;
Stage #2: 3-monochloro-1,2-propanediol In 1-methoxy-2-propanol; water at 35℃; for 27h; Product distribution / selectivity;
N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

Conditions
ConditionsYield
In methanol; chloroform
3.8 g (45%)
1,3-diiodo-2-(iodomethyl)propane
66587-78-8

1,3-diiodo-2-(iodomethyl)propane

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide
31127-80-7

N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide

tris(N-acetyl-N-(3,5-bis(2',3'-dihydroxypropylaminocarbonyl)-2,4,6-triiodophenyl)aminomethyl)methane

tris(N-acetyl-N-(3,5-bis(2',3'-dihydroxypropylaminocarbonyl)-2,4,6-triiodophenyl)aminomethyl)methane

Conditions
ConditionsYield
Stage #1: 1,3-diiodo-2-(iodomethyl)propane; N,N'-bis(2,3-dihydroxypropyl)-5-acetamido-2,4,6-triiodoisophthalamide With potassium hydroxide; boric acid In methanol; water at 10 - 40℃; for 48h;
Stage #2: In methanol; water pH=3.5;
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