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
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:99-15-0
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryManufacturer supply N-Acetyl-DL-leucine CAS 99-15-0 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryThe 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
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
Cas:99-15-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality managemen
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
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Other
inquiryColorcom 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
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
Cas:99-15-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith 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
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.O
Cas:99-15-0
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWITH 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
Cas:99-15-0
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryProduct name N-acetyl-dl-leucine Alias Acetylleucine; D.L Leucine N, acetyl; Ac-DL-Leu-OH CAS NO 99-15-0 EINECS No. 202-734-9
We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:99-15-0
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryAppearance:White to alomost white?powder Storage:room temperature Package:25kg/drum Application:chemicals Transportation:Express/Sea/Air Port:any port in china
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry1.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
Cas:99-15-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $15.0 / 20.0
Type:Trading Company
inquiryAcetylleucine CAS:99-15-0 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,
Cas:99-15-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:99-15-0
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryPRODUCT DETAILS
Cas:99-15-0
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryHenan 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
N-Acetyl-DL-Leucine CAS No.:99-15-0 Authentication:KOSHER Quality Standard :AJI Molecular formula :C8H15NO3 Molecular weight :173.21 Description :Pharmaceutical intermediate N-acetyl-dl-leucine [99-15-0] Product Name:
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
Cas:99-15-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryCompany 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
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
Advantage 1: The product passed the professional production process and quality inspection, the purity is 99% +. 2: Highly qualified engineers to provide technical documents and service. 3: We could provide sample for your test. 4: High qualit
Cas:99-15-0
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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
Cas:99-15-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:99-15-0
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sulfuric acid; lithium bromide; bis(triphenylphosphine)palladium dibromide In various solvent(s) at 120℃; under 45003.6 Torr; for 12h; | 99% |
With 1-methyl-pyrrolidin-2-one; sulfuric acid; lithium bromide; palladium on activated charcoal at 100℃; under 45003.6 Torr; for 12h; | 75% |
With sulfuric acid; triphenylphosphine; lithium bromide; palladium on activated charcoal In 1-methyl-pyrrolidin-2-one; toluene at 90℃; under 45003.6 Torr; for 16h; | 64.4% |
With 3-ethyl-1-methyl-1H-imidazol-3-ium bromide; triphenylphosphine; palladium(II) bromide at 100℃; under 45004.5 Torr; for 15h; | 63% |
With hydrogenchloride; potassium tetrachloroplatinate; triphenylphosphine In 1,4-dioxane at 120℃; under 45600 Torr; for 15h; | 44% |
Conditions | Yield |
---|---|
at 150℃; microwave irradiation; | 94% |
Conditions | Yield |
---|---|
With carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl; hydrogen In ethyl acetate at 120℃; for 4h; | 84% |
acetamide
2-methyl-1-buten-4-ol
carbon monoxide
N-acetylleucine
Conditions | Yield |
---|---|
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl In 1,4-dioxane at 100℃; under 100 Torr; for 12h; | 62% |
With hydrogen; dicobalt octacarbonyl; Co-catalyst In 1,4-dioxane at 110℃; under 60800 - 83600.1 Torr; | 34% |
acetamide
carbon monoxide
3-methyl-2-buten-1-ol
N-acetylleucine
Conditions | Yield |
---|---|
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl In 1,4-dioxane at 110℃; under 60800 - 83600.1 Torr; for 12h; | 62% |
Conditions | Yield |
---|---|
With water | |
is sauer Loesung; |
acetylamino-isobutyl-malonic acid
N-acetylleucine
Conditions | Yield |
---|---|
durch nachfolgende Verseifung mit Natronlauge; |
Conditions | Yield |
---|---|
With sodium hydroxide l(-)-acetylleucine; | |
With sodium hydrogencarbonate In 1,4-dioxane; water Ambient temperature; Yield given; |
Conditions | Yield |
---|---|
With water | |
With water l(-)-acetylleucine; |
acetamide
carbon monoxide
3-methyl-2-buten-1-ol
A
N-acetylleucine
B
2-acetamido-4-methylhexanoic acid
C
2-acetamido-5-methylhexanoic acid
Conditions | Yield |
---|---|
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl In 1,4-dioxane Product distribution; Mechanism; 100 atm, 25 deg C and 120 deg C, 16 h, then 130 atm 2 to 3 h; reactions of derivatives; | |
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl In 1,4-dioxane 100 atm, 25 deg C and 120 deg C, 16 h, then 130 atm 2 to 3 h; Yield given. Yields of byproduct given; |
acetamide
3,10-diethyl-3,6,10-trimethyl-4,9-dioxa-3,10-disiladodecane
3-methyl-2-buten-1-ol
A
N-acetylleucine
B
2-acetamido-4-methylhexanoic acid
C
2-acetamido-5-methylhexanoic acid
Conditions | Yield |
---|---|
With hydrogen; carbonylhydridetris(triphenylphosphine)rhodium(I); dicobalt octacarbonyl In 1,4-dioxane 100 atm, 25 deg C and 120 deg C, 16 h, then 130 atm 2 to 3 h; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; triphenylphosphine; trifluoroacetic acid; Wang resin; diethylazodicarboxylate 1.) THF, 24 h, RT; 2.) CH2Cl2, H2O, 90 min, RT; 3.) CH2Cl2, RT, 30 min; Yield given; Multistep reaction; |
N-Ac-Leu
trifluoroacetic acid
A
N-acetylleucine
B
(S)-2-(2,2,2-trifluoroacetamido)-4-methylpentanoic acid
Conditions | Yield |
---|---|
With tricyclohexylphosphine; chloro(1,5-cyclooctadiene)rhodium(I) dimer In acetonitrile at 60℃; for 48h; Racemization; |
acetylamino-isobutyl-malonic acid diethyl ester
N-acetylleucine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq.-ethanolic NaOH View Scheme |
ethyl 2-acetamido-2-ethoxycarbonyl-4-methyl-4-pentenoic acid
N-acetylleucine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Raney nickel; ethanol 2: aq.-ethanolic NaOH View Scheme |
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 24.84℃; pH=8.5 - 9; Kinetics; |
N-acetylleucine
bis(tri-n-butyltin)oxide
N-acetyl-DL-CH3CH(CH3)CH2CHNHCOO-tri-n-butyltin
Conditions | Yield |
---|---|
byproducts: H2O; | 88% |
byproducts: H2O; | 88% |
In toluene byproducts: H2O; azeotropic dehydration with toluene; recrystn. (benzene) or sublimation; |
N-hydroxyphthalimide
N-acetylleucine
1,3-dioxoisoindolin-2-yl acetylleucinate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 1h; | 80% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene | 72% |
With diethyldichlorosilane Heating; | 60% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide at 20℃; Condensation; | 70% |
Conditions | Yield |
---|---|
Stage #1: N-acetylleucine With potassium carbonate Stage #2: propargyl bromide | 65% |
Conditions | Yield |
---|---|
With ammonium peroxydisulfate; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate In dimethyl sulfoxide at 20℃; Irradiation; Inert atmosphere; | 61% |
N-acetylleucine
acetic anhydride
Acetic acid (2R,4R)-4-isobutyl-2-methyl-3-nitro-5-oxo-oxazolidin-2-yl ester
Conditions | Yield |
---|---|
With nitric acid 1.) -20 deg C, 10 min, 2.) -20 deg C to 0 deg C, 5 min; | 50% |
Conditions | Yield |
---|---|
Stage #1: N-acetylleucine; acetic anhydride With dmap; triethylamine at 20℃; Stage #2: With acetic acid at 20℃; for 0.5h; | 48% |
Conditions | Yield |
---|---|
With sodium hydroxide; acylase Amano 30000 from Aspergillus spp. (30 u/mg); water; cobalt(II) chloride at 37 - 40℃; for 48h; | 39% |
Herstellung mit Hilfe eines Enzym-Praeparats aus Aspergillus und Penicillium; |
N-acetylleucine
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
With trichlorophosphate at 90℃; | 35% |
N-acetylleucine
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate
11-amino-23-hydroxycarbonyl-25,27-dihydroxy-26,28-dipropoxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecene
11-[N-acetyl-(dl)-leucyl]amino-23-benzotriazolyloxycarbonyl-25,27-dihydroxy-26,28-dipropoxycalix[4]arene
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; | 24% |
Conditions | Yield |
---|---|
With diethyl ether; ethanol l(-)-acetylleucine methyl ester; | |
In diethyl ether | |
In methanol; diethyl ether at 10℃; Yield given; |
Conditions | Yield |
---|---|
With (-)-α-fenchylamine |
N-acetylleucine
N-acetyl-D-leucine
Conditions | Yield |
---|---|
With (-)-α-fenchylamine | |
With (S)-1-phenyl-ethylamine | |
mit Hilfe eines Enzym-Praepaprats aus Aspergillus oder Penicillium; | |
mit Hilfe eines Enzym-Praepaprats aus Schweine-Nieren; |
N-acetylleucine
chloroformic acid ethyl ester
N-<2-(1-hydroxy-4-methylpentyl)>acetamide
Conditions | Yield |
---|---|
With tetrahydrofuran; 1-ethyl-piperidine beim Erwaermen der Reaktionsloesung mit Lithiumboranat; |
Conditions | Yield |
---|---|
With papain |
Conditions | Yield |
---|---|
In chlorobenzene under 25 - 35 Torr; |
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