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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

L-Asparagine Manufacturer/High quality/Best price/In stock

Cas:70-47-3

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 L-Asparagine supplier in China

Cas:70-47-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for L-asparagine Cas 70-47-3 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at 0-5°C Package:25kg/drum Application:Food/Pharm Transpor

High purity AJI97 L-asparagine Cas 70-47-3 with affordable price

Cas:70-47-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 60.0

Type:Trading Company

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Xi'an Quanao Biotech Co., Ltd.

Come From Nature / Building Healthy Life Beauty In Your Face / Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of conten

Factory supplier L-Asparagine powder 99% cas:70-47-3

Cas:70-47-3

Min.Order:25 Kilogram

FOB Price: $11.0 / 18.0

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

Specification Specific rotation +39.5 to +41.5° State of solution(transmittance) Clear 98.0% min. Chloride[cl] 0.020% max. Ammonium [NH4]

L-Asparagine CAS 70-47-3

Cas:70-47-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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 L-Asparagine

Cas:70-47-3

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Content Natural Extract L-Asparagine HACCP manufacturer

Cas:70-47-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

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

L-Asparagine

Cas:70-47-3

Min.Order:10 Milligram

Negotiable

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

99% L-Asparagine Powder Amino Acid Powder CAS 70-47-3

Cas:70-47-3

Min.Order:1 Kilogram

Negotiable

Type:Other

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Henan Tianfu Chemical Co., Ltd.

L-Asparagine Basic information Product Name: L-Asparagine Synonyms: 2-amino-3-carbamoylpropanoic acid;ALPHA-AMINOSUCCINAMIC ACID;H-ASN-OH;L-2-AMINOSUCCINAMIC ACID;L-ASPARTIC ACID 4-AMIDE

TIANFU-CHEM CAS:70-47-3 L-Asparagine

Cas:70-47-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Food Grade L-Asparagine CAS No 70-47-3

Cas:70-47-3

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

Type:Trading Company

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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 70-47-3 with competitive price

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name CAS NO. anhydrous 70-47-3 Monohydrate 5794-13-8 Molecular formula C4H8N2O3 Molecular weight 150.13 Properties white orthorhombic crystal or crystalline powder. Melting p

L-Asparagine CAS:70-47-3

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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

Asparagine, L- 70-47-3

Cas:70-47-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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HANWAYS CHEMPHARM CO.,LIMITED

Wuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides

L-Asparagine Anhydrous CAS 70-47-3

Cas:70-47-3

Min.Order:100 Kilogram

FOB Price: $1.0 / 5.0

Type:Trading Company

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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

L-Asparagine Asparagine derivatives

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

L-Asparagine CAS:70-47-3 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,

L-Asparagine CAS:70-47-3

Cas:70-47-3

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

L-Asparagine

Cas:70-47-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:70-47-3

Cas:70-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

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

High Quality L-Asparagine CAS 70-47-3

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $60.0 / 70.0

Type:Trading Company

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Leader Biochemical Group

Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie

China Biggest Factory & Manufacturer supply L-Asparagine

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

Type:Lab/Research institutions

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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

L-Asparagine

Cas:70-47-3

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan BJM Pharm Inc.

Wuhan BJM Pharm Inc. was found in 2013, located in Hubei Province, where has long history, rich culture, convenient traffic, beautiful environment and preferential policy. We have two factories in Dezhou, Shandong and Xianning, Hubei. The factory

L-Asparagine cas:70-47-3 factory supply 99%

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Lab/Research institutions

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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

L-Asparagine

Cas:70-47-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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 have s

Asparagine, L-

Cas:70-47-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hubei Yuanmeng Biological Technology Co., Ltd.

Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

High Purity L-Asparagine CAS 70-47-3 with Fast Shipment

Cas:70-47-3

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

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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

L-Asparagine

Cas:70-47-3

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

L-Asparagine

Cas:70-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

L-Asparagine

Cas:70-47-3

Min.Order:0

Negotiable

Type:Trading Company

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 L-Asparagine

Cas:70-47-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Synthetic route

hexan-1-amine
111-26-2

hexan-1-amine

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-succinamic acid
78641-70-0

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-succinamic acid

A

L-asparagine
70-47-3

L-asparagine

B

1-hexyl-3,5-dinitro-4-pyridone
74197-48-1

1-hexyl-3,5-dinitro-4-pyridone

Conditions
ConditionsYield
In pyridine Product distribution;A 96.2%
B n/a
Fmoc-Asn-OH
71989-16-7

Fmoc-Asn-OH

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With sodium azide In N,N-dimethyl-formamide at 50℃; for 20h;90%
C4H8N2O3*H3N*ClH

C4H8N2O3*H3N*ClH

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With ruthenium nanoparticles dispersed in a polyvinylpyrrolidone matrix; amberlyst A-21 In methanol; dichloromethane90%
(+)-β-methyl-L-aspartate hydrochloride
16856-13-6

(+)-β-methyl-L-aspartate hydrochloride

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With ammonia In tetrahydrofuran; methanol; diethyl ether at 25℃; for 96h;77%
With ammonium hydroxide at 30℃; under 750.075 Torr; for 9h; Reagent/catalyst; Temperature; Pressure;75%
Boc-Asn(Boc)-ONBzl
97347-33-6

Boc-Asn(Boc)-ONBzl

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol Ambient temperature;73%
3-carbamoyl-2-[(E,Z)-4,4,4-trifluoro-3-oxo-1-butenylamino]propanoic acid

3-carbamoyl-2-[(E,Z)-4,4,4-trifluoro-3-oxo-1-butenylamino]propanoic acid

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With hydrogenchloride In methanol at 70℃; for 20h;72%
aspartic acid 4-ethyl ester
21860-86-6

aspartic acid 4-ethyl ester

A

ASPARAGINE
3130-87-8

ASPARAGINE

B

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With ethanol; ammonia at 100℃; das beim Verdunsten der inaktiven Loesung gleicher Teile von d- und l-Asparagin sich ausscheidende Krystallgemenge der aktiven Asparagine laesst sich mechanisch Auslesen trennen; d-asparagine;
N-benzyloxycarbonyl-L-asparagine
2304-96-3

N-benzyloxycarbonyl-L-asparagine

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With trifluoroacetic acid
With palladium Hydrogenation;
With ethylenediaminetetraacetic acid; phenylmethylsulphonyl fluoride; water In aq. phosphate buffer at 30℃; Kinetics; Reagent/catalyst; Microbiological reaction; Enzymatic reaction;
N2,N2-phthaloyl-L-asparagine
42406-52-0

N2,N2-phthaloyl-L-asparagine

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With water; hydrazine hydrate
Nα,Nca-di-tert-butyloxycarbonylasparagine
98115-12-9

Nα,Nca-di-tert-butyloxycarbonylasparagine

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With hydrogen bromide In acetic acid
His-Ser-Asn-Gly
101301-51-3

His-Ser-Asn-Gly

A

L-serin
56-45-1

L-serin

B

L-asparagine
70-47-3

L-asparagine

C

glycine
56-40-6

glycine

D

L-histidine
71-00-1

L-histidine

Conditions
ConditionsYield
With Tris-HCl buffer In water at 37℃; Product distribution;
N-acetylasaparagine
16473-76-0

N-acetylasaparagine

A

L-asparagine
70-47-3

L-asparagine

B

N2-acetyl-D-asparagine
26117-27-1

N2-acetyl-D-asparagine

Conditions
ConditionsYield
With potassium hydroxide; potassium phosphate buffer; porcine kidney acylase I at 40℃; relative initial rate of hydrolysis;
(S)-2-Carboxyamino-succinamic acid

(S)-2-Carboxyamino-succinamic acid

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With borax; sodium dihydrogenphosphate at 26℃; Equilibrium constant;
Boc-L-Asp-β-DHA-CONHCH3

Boc-L-Asp-β-DHA-CONHCH3

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With hydrogenchloride; water In acetic acid at 55℃; for 0.5h;
maleic anhydride
108-31-6

maleic anhydride

ammonia
7664-41-7

ammonia

A

(R)-Asparagine
2058-58-4

(R)-Asparagine

B

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
at 105 - 110℃;
ammonium hydroxide

ammonium hydroxide

optically inactive (3,6-dioxo-piperazine-2,5-diyl)-di-acetic acid diamide
98490-54-1

optically inactive (3,6-dioxo-piperazine-2,5-diyl)-di-acetic acid diamide

A

(R)-Asparagine
2058-58-4

(R)-Asparagine

B

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
at 100℃; inactive 3.6-dioxo-piperazine-diacetic acid-(2.5)-diamide;
-1-benzyl ester-4-amide

-1-benzyl ester-4-amide

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With methanol; palladium; acetic acid durch Hydrogenolyse;
L-aspartic acid-4-ethyl ester
4070-43-3

L-aspartic acid-4-ethyl ester

alcohol.ammonia

alcohol.ammonia

L-asparagine
70-47-3

L-asparagine

asparagine amide
4432-56-8

asparagine amide

aq. barium hydroxide solution

aq. barium hydroxide solution

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
-diamide;
inactive dioxopiperazinediacetic acid amide

inactive dioxopiperazinediacetic acid amide

A

ASPARAGINE
3130-87-8

ASPARAGINE

B

L-asparagine
70-47-3

L-asparagine

Conditions
ConditionsYield
With ammonia; water at 100℃; das beim Verdunsten der inaktiven Loesung gleicher Teile von d- und l-Asparagin sich ausscheidende Krystallgemenge der aktiven Asparagine laesst sich mechanisch Auslesen trennen; d-asparagine;
L-asparagine
70-47-3

L-asparagine

2,4-Dinitrofluorobenzene
70-34-8

2,4-Dinitrofluorobenzene

Nα-(2,4-dinitrophenyl)-L-asparagine
1602-40-0

Nα-(2,4-dinitrophenyl)-L-asparagine

Conditions
ConditionsYield
With sodium hydrogencarbonate In d7-N,N-dimethylformamide; water-d2 at 20℃; for 3h;100%
With ethanol; sodium hydrogencarbonate
L-asparagine
70-47-3

L-asparagine

nicotinic acid riboside 5'-monophosphate

nicotinic acid riboside 5'-monophosphate

(S)-3-amino-1-carboxy-3-oxopropan-1-aminium-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(((hydroxyoxidophosphoryl)oxy)methyl)tetrahydrofuran-2-yl)pyridin-1-ium-3-carboxylate

(S)-3-amino-1-carboxy-3-oxopropan-1-aminium-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(((hydroxyoxidophosphoryl)oxy)methyl)tetrahydrofuran-2-yl)pyridin-1-ium-3-carboxylate

Conditions
ConditionsYield
In water pH=2 - 2.33; Inert atmosphere; Cooling with ice;100%
methanol
67-56-1

methanol

L-asparagine
70-47-3

L-asparagine

[Co(2,2',2''-triaminotriethylamine)(glycinate)][toluene-p-sulphonate]

[Co(2,2',2''-triaminotriethylamine)(glycinate)][toluene-p-sulphonate]

[Co(2,2',2''-triaminotriethylamine)(Gly-L-Asp(OCH3)2)]Cl3

[Co(2,2',2''-triaminotriethylamine)(Gly-L-Asp(OCH3)2)]Cl3

Conditions
ConditionsYield
With N-ethylmorpholine;; toluene-4-sulfonic acid In methanol complex, amino-acid, sulphonic acid, dimethyl sulphite in methanol was esterified at 70 degree.C for 3 h, then N-ethylmorpholine was added; dild. with water, chromd. on Amberlite IRC 50 column (Na-form), evapn. to dryness, taken up in MeOH, filtration, evapn.;99%
L-asparagine
70-47-3

L-asparagine

pivalaldehyde
630-19-3

pivalaldehyde

cis-2-tert-butyl-6(S)-potassium carboxylate-perhydropyrimidin-4-one
131791-76-9

cis-2-tert-butyl-6(S)-potassium carboxylate-perhydropyrimidin-4-one

Conditions
ConditionsYield
With potassium hydroxide98%
With potassium hydroxide Multistep reaction;
With potassium hydroxide 1.) 60 deg C, overnight, 0.1 torr, 2.) methanol, reflux; Multistep reaction;
L-asparagine
70-47-3

L-asparagine

α-carbobenzoxy-L-tryptophan p-nitrophenyl ester
16624-64-9

α-carbobenzoxy-L-tryptophan p-nitrophenyl ester

N-benzyloxycarbonyl-L-tryptophan-L-asparagine
1105050-59-6

N-benzyloxycarbonyl-L-tryptophan-L-asparagine

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran; water at 20℃;98%
L-asparagine
70-47-3

L-asparagine

Na(dioxane)4.17(2-phosphaethynolate)

Na(dioxane)4.17(2-phosphaethynolate)

Na(1+)*C5H8N2O4P(1-)

Na(1+)*C5H8N2O4P(1-)

Conditions
ConditionsYield
With pyridine In water at 20℃;98%
1-butyl-3-methylimidazolium hydroxide

1-butyl-3-methylimidazolium hydroxide

L-asparagine
70-47-3

L-asparagine

1-butyl-3-methylimidazolium asparagine

1-butyl-3-methylimidazolium asparagine

Conditions
ConditionsYield
In water97%
L-asparagine
70-47-3

L-asparagine

2,4-dihydroxybenzoic acid N-hydroxysuccinimidyl ester
186371-01-7

2,4-dihydroxybenzoic acid N-hydroxysuccinimidyl ester

2,4-dihydroxybenzoyl-L-asparagine

2,4-dihydroxybenzoyl-L-asparagine

Conditions
ConditionsYield
With TEA In N,N-dimethyl-formamide for 12h; Ambient temperature;96%
L-asparagine
70-47-3

L-asparagine

dimethylsulfonium methyl sulfate

dimethylsulfonium methyl sulfate

N-benzyloxycarbonyl-L-asparagine
2304-96-3

N-benzyloxycarbonyl-L-asparagine

Conditions
ConditionsYield
With triethylamine In water Ambient temperature;95%
L-asparagine
70-47-3

L-asparagine

cholin hydroxide
123-41-1

cholin hydroxide

C4H7N2O3(1-)*C5H14NO(1+)
1361335-90-1

C4H7N2O3(1-)*C5H14NO(1+)

Conditions
ConditionsYield
In water at 3℃; for 48h; Darkness;95%
L-asparagine
70-47-3

L-asparagine

nicotinamide mononucleotide
1094-61-7

nicotinamide mononucleotide

(S)-3-amino-1-carboxy-3-oxopropan-1-aminium-((2R,3S,4R,5R)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphate

(S)-3-amino-1-carboxy-3-oxopropan-1-aminium-((2R,3S,4R,5R)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphate

Conditions
ConditionsYield
In water pH=3.38 - 3.86; Cooling with ice;95%
L-asparagine
70-47-3

L-asparagine

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

N2-(toluene-4-sulfonyl)-L-asparagine
36212-66-5

N2-(toluene-4-sulfonyl)-L-asparagine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane for 2h; Ambient temperature;94%
With triethylamine In tetrahydrofuran; water for 2h;92%
With sodium hydroxide In 1,4-dioxane a) 0 deg C, 1 h, b) RT, 3 h;91%
L-asparagine
70-47-3

L-asparagine

benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

N-phenylsulfonyl-L-asparagine
156185-87-4

N-phenylsulfonyl-L-asparagine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane at 0℃; for 0.5h; Condensation;93%
With diethyl ether
Stage #1: L-asparagine; benzenesulfonyl chloride With sodium hydroxide In 1,4-dioxane; water at 0℃; for 3h;
Stage #2: With hydrogenchloride; water pH=3;
methanol
67-56-1

methanol

L-asparagine
70-47-3

L-asparagine

L-Aspartic acid dimethyl ester
6384-18-5

L-Aspartic acid dimethyl ester

Conditions
ConditionsYield
With thionyl chloride at 0 - 55℃; for 6h;92%
L-asparagine
70-47-3

L-asparagine

tetraethylammonium hydroxide
77-98-5

tetraethylammonium hydroxide

tetraethylammonium L-asparaginate
1248586-09-5

tetraethylammonium L-asparaginate

Conditions
ConditionsYield
In water at 20℃; for 2h;92%
In water at 20℃; for 2h;
4-chloro-3,5-dinitrobenzotrifluoride
393-75-9

4-chloro-3,5-dinitrobenzotrifluoride

L-asparagine
70-47-3

L-asparagine

4-amino-2-((2,6-dinitro-4-(trifluoromethyl)phenyl)amino)-4-oxobutanoic acid

4-amino-2-((2,6-dinitro-4-(trifluoromethyl)phenyl)amino)-4-oxobutanoic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In water at 70℃; for 2h; pH=8.5 - 9;92%
L-asparagine
70-47-3

L-asparagine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-tert-butyloxycarbonylasparagine
7536-55-2

N-tert-butyloxycarbonylasparagine

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane; water at 20℃;91%
Stage #1: L-asparagine; di-tert-butyl dicarbonate With sodium carbonate In 1,4-dioxane; water at 20℃;
Stage #2: With hydrogenchloride In water pH=2;
91%
With sodium carbonate In 1,4-dioxane; water at 25℃; Acylation;88%
L-asparagine
70-47-3

L-asparagine

phenyl isothiocyanate
103-72-0

phenyl isothiocyanate

2-(5-oxo-1-phenyl-2-thioxoimidazolidin-4-yl)acetamide
29588-03-2

2-(5-oxo-1-phenyl-2-thioxoimidazolidin-4-yl)acetamide

Conditions
ConditionsYield
With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 5h;91%
L-asparagine
70-47-3

L-asparagine

1,1-dioxobenzo[b]thiophen-2-ylmethyl N-succimidyl carbonate
197244-91-0

1,1-dioxobenzo[b]thiophen-2-ylmethyl N-succimidyl carbonate

Bsmoc-Asn-OH
197245-31-1

Bsmoc-Asn-OH

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetone Ambient temperature;90.4%
L-asparagine
70-47-3

L-asparagine

2,7-disulfo-9-fluorenylmethoxycarbonyl chloride

2,7-disulfo-9-fluorenylmethoxycarbonyl chloride

C19H16N2O11S2(2-)*2Na(1+)

C19H16N2O11S2(2-)*2Na(1+)

Conditions
ConditionsYield
With sodium hydrogencarbonate In water at 20℃; for 0.5h; pH=8.5;90.4%
dibutyltin(IV) oxide

dibutyltin(IV) oxide

L-asparagine
70-47-3

L-asparagine

(CH3(CH2)3)2Sn(O2CCH(NH2)CH2CONH2)2

(CH3(CH2)3)2Sn(O2CCH(NH2)CH2CONH2)2

Conditions
ConditionsYield
In methanol; benzene byproducts: water; N2-atmosphere; dropwise addn. of Bu2SnO (in hot C6H6/MeOH=3:1 v/v) to 2 equiv. aminoacid (in hot MeOH), stirring and refluxing for 30 min, then refluxing for 9-10 h with azeotropic distn. off of water; solvent removal (reduced pressure), trituration with petroleum ether, recrystn. (MeOH and petroleum ether); elem. anal.;90%
L-asparagine
70-47-3

L-asparagine

Carbonic acid 2-(2,4-dinitro-phenyl)-ethyl ester 4-nitro-phenyl ester
144481-14-1

Carbonic acid 2-(2,4-dinitro-phenyl)-ethyl ester 4-nitro-phenyl ester

(S)-2-[2-(2,4-Dinitro-phenyl)-ethoxycarbonylamino]-succinamic acid
144481-19-6

(S)-2-[2-(2,4-Dinitro-phenyl)-ethoxycarbonylamino]-succinamic acid

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane; water89%
L-asparagine
70-47-3

L-asparagine

L-Aspol
36983-58-1

L-Aspol

Conditions
ConditionsYield
With hydrogenchloride; ruthenium-carbon composite; hydrogen at -5 - 30℃; for 14h;88.3%
With hydrogenchloride; ruthenium-carbon composite; hydrogen In water at -5 - 30℃; for 9h;86.2%
With hydrogenchloride; ruthenium-carbon composite; hydrogen In water at 20℃; for 10h;82.77%
L-asparagine
70-47-3

L-asparagine

cyclohexyl chloroformate
13248-54-9

cyclohexyl chloroformate

(S)-2-Cyclohexyloxycarbonylamino-succinamic acid

(S)-2-Cyclohexyloxycarbonylamino-succinamic acid

Conditions
ConditionsYield
With sodium hydroxide for 3h; Ambient temperature;88%
L-asparagine
70-47-3

L-asparagine

C22H17NO7

C22H17NO7

N-{[4-methyl-2-(1-oxo-1H-isochromen-3-yl)phenoxy]acetyl}asparagine

N-{[4-methyl-2-(1-oxo-1H-isochromen-3-yl)phenoxy]acetyl}asparagine

Conditions
ConditionsYield
With sodium hydrogencarbonate In water at 20℃; for 2h;88%
L-asparagine
70-47-3

L-asparagine

N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
82911-69-1

N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide

Fmoc-Asn-OH
71989-16-7

Fmoc-Asn-OH

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane; water at 0 - 20℃;87%
Stage #1: L-asparagine With N-cyclohexyl-cyclohexanamine In acetone at 20℃;
Stage #2: N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide With sodium carbonate In water; acetonitrile at 0 - 20℃; pH=8;
Stage #3: With potassium hydrogensulfate In water; acetonitrile pH=2 - 3;
59%
L-asparagine
70-47-3

L-asparagine

2,5-dioxopyrrolidin-1-ylquinoline-2-carboxylate
136465-99-1

2,5-dioxopyrrolidin-1-ylquinoline-2-carboxylate

(quinoline-2-carbonyl)-L-asparagine

(quinoline-2-carbonyl)-L-asparagine

Conditions
ConditionsYield
With triethylamine In methanol; water; acetone at 20℃; for 12h;87%
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