Product Name: D-Aspartic acid CAS: 1783-96-6 MF: C4H7NO4 MW: 133.1 EINECS: 217-234-6 Mol File: 1783-96-6.mol D-Aspartic acid Structure D-Aspartic acid Chemical Properties Melting point >300 °C(lit.) alpha -25.8 &or
D-aspartic acid Appearance:White powder Storage:Store in a cool dry place, avoiding sunlight directly Package:Food grade multiplayer polyethylene bags, 25kg in one type cardboard drum Application:Nutritional health products and fo
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inquiryProduct Name: D-Aspartic acid Synonyms: H-D-ASP-OH;D-AMINOSUCCINIC ACID;D-2-AMINOBUTANEDIOIC ACID;D-ASPARAGINIC ACID;D-(-)-ASPARTIC ACID;D-ASPARTIC A… Founded in 2014, as a professional international pharmaceutical corporation, headquarter
Items Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
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inquiryUnique advantages for D-Aspartic acid Cas 1783-96-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white powder Storage:Cool dry place Package:25kg/drum
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inquirySpecifications D-Aspartic Acid Powder 1.Appearance:White crystalline powder 2.Experienced manufacturer 3.Best Price D-Aspartic Acid Details D-Aspartic Acid (DAA) is an amino acid that is naturally found in high quantities in the repr
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inquiryPRODUCT DETAILS Product Name D-Aspartic Acid Molecular formula C4H7NO4 CAS No. 1783-96-6 EINECS No. 217-234-6
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inquiryProduct Name D-Aspartic acid Synonyms (R)-(-)-AMINOSUCCINIC ACID;(R)-AMINOSUCCINIC ACID;(R)-(-)-ASPARTIC ACID;1-Amino-1,2-carboxyethane;d-aspartic;d-asparticaci; l-Asparagic acid;(R)-(-)-Am
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inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
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inquiryD-Aspartic acid CAS:1783-96-6 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 intermedia
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inquiryTrade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:White or off-white crystalline powder Storage:Store at room(18~25℃) temperatu
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inquirydimethyl D-aspartate
(2R)-aspartic acid
Conditions | Yield |
---|---|
With sodium hydroxide for 3h; | 82.5% |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride at 85℃; for 19h; | |
With hydrogenchloride; water In methanol at 110℃; for 24h; Inert atmosphere; Sealed tube; | |
With L-asparaginase from Thermococcus gammatolerans EJ3 In aq. buffer at 85℃; pH=8.5; Kinetics; pH-value; Solvent; Temperature; Enzymatic reaction; |
Conditions | Yield |
---|---|
durch Spaltung; | |
With L-glutamic acid | |
mit Hilfe eines Enzym-Praeparats aus Crotalus adamanteus; | |
man bringt die Pilze, mit denen sich eine Loesung von l-Asparaginsaeure beim Stehen an der Luft bedeckt, auf eine Loesung von dl-Asparaginsaeure; |
bromosuccinic acid
(2R)-aspartic acid
Conditions | Yield |
---|---|
With ammonia; water at -50 - -40℃; dann bei 3-5grad, endlich bei Zimmertemperatur; |
2-aminosuccinic acid diethyl ester
(2R)-aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
enzymatische Herstellung; |
N-chloroacetyl-DL-aspartic acid
(2R)-aspartic acid
Conditions | Yield |
---|---|
enzymatische Herstellung; | |
Hydrolysis.mit Hilfe eines Enzym-Praeparats aus Nieren und Kochen der unveraendert zurueckbleibenden N-Chloracetyl-D-asparaginsaeure mit 2n-HCl; |
1-amino-ethane-1,1,2,2-tetracarboxylic acid tetraethyl ester
(2R)-aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
In water at 140℃; Rate constant; pH 8.0; | |
at 37℃; Kinetics; racemization in dentin; age determination; | |
In water at 160℃; for 30h; pH=6; |
(R)-aspartic acid ethyl ester
(2R)-aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride for 5h; Heating; |
Conditions | Yield |
---|---|
With L-alanin In water for 24h; Product distribution; Ambient temperature; other optically active amino acids; | |
With teicoplanin In methanol; water Product distribution; Further Variations:; Reagents; pH-values; Solvents; | |
With (2R,3R,11R,12R)-(+)-18-crown-6-2,3,11,12-tetracarbonic acid |
Conditions | Yield |
---|---|
With hydrogenchloride; potassium tert-butylate; bromine; triethylamine; nickel dichloride 1.) iPrOH, 5 deg C, 2.) CH3CN, -50 deg C, 3.) 25 deg C, H2O, reflux, 1 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; trifluoroacetic acid for 15h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
A
D-Serine
B
L-threonine
C
(R)-leucine
D
L-isoleucine
E
(2R)-aspartic acid
F
L-Aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride at 120℃; for 20h; Product distribution; |
Conditions | Yield |
---|---|
at -50 - -40℃; levorotatory bromo-succinic acid; |
(2R)-aspartic acid
Conditions | Yield |
---|---|
With brucine aus den zurueckbleibenden Mutterlaugen entfernt man das Bruzin;die Benzoylasparaginsaeuren werden schliesslich d.Erhitz. m.Salzsaeure auf 100grad u.Neutralis. der erhalt.salzs.Salze m.Kalilauge in freien Asparaginsaeuren verwandelt; |
aspartic Acid
benzeneacetic acid methyl ester
B
(2R)-aspartic acid
C
L-Aspartic acid
D
N-phenylacetyl aspartic acid
Conditions | Yield |
---|---|
With sodium hydroxide; E. coli penicillin-G acylase F24A mutant at 25℃; pH=9.6; Title compound not separated from byproducts; |
(2R)-aspartic acid
Conditions | Yield |
---|---|
With ozone In water; trifluoroacetic acid |
A
(2R)-aspartic acid
B
(S)-N-(2-benzoylphenyl)-1-benzylpyrrolidine-2-carboxamide
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water refluxing.; neutralized (Na2CO3), extn. of BBP (CHCl3), evapn. of aq. layer to dryness, addn. of aq. HCl, refluxed for 5 h, amino acid isolated on a KRS-12 cation exchanger;; |
Conditions | Yield |
---|---|
With recombinant Streptomyces coelicolor Sco3058 dipeptidase; water at 30℃; pH=8; Kinetics; Concentration; aq. buffer; Enzymatic reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; water at 120℃; for 14h; |
Oxalacetic acid
D-Alanine
A
(2R)-aspartic acid
B
2-oxo-propionic acid
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; recombinant Lactobacillus salivarius UCC118 D-amino acid aminotransferase In aq. phosphate buffer at 30℃; for 0.0166667h; pH=7.5; Enzymatic reaction; |
A
(S)-2,3-diaminopropionic acid
B
L-isoserine
C
(2R)-aspartic acid
Conditions | Yield |
---|---|
Stage #1: haloirciniamide A With hydrogenchloride In water at 110℃; for 15h; Stage #2: With sodium hydrogencarbonate; N-(2,4-dinitro-5-fluorophenyl)-L-alaninamide In water; acetone at 40℃; for 1h; |
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; Pseudomonas dacunhae L-aspartateb β-decarboxylase R37A/T382G In aq. buffer at 30℃; pH=6; Reagent/catalyst; Enzymatic reaction; |
methanol
(2R)-aspartic acid
D-2-amino-3-methoxycarbonylpropionic acid hydrochloride
Conditions | Yield |
---|---|
With thionyl chloride at -30 - 10℃; | 100% |
With thionyl chloride at -5 - 35℃; | 87% |
With thionyl chloride at -5 - 5℃; for 12.5h; | 77.6% |
Stage #1: methanol With thionyl chloride at -20℃; for 0.75h; Inert atmosphere; Stage #2: (2R)-aspartic acid at 20℃; for 3.08333h; Inert atmosphere; | 60% |
With thionyl chloride at -10 - 21℃; for 3h; | 56% |
methanol
(2R)-aspartic acid
dimethyl (R)-2-aminobutanedioate hydrochloride
Conditions | Yield |
---|---|
With acetyl chloride | 100% |
With thionyl chloride at 0 - 20℃; for 16.1667h; Inert atmosphere; | 99% |
With acetyl chloride Reflux; | 73% |
chloro-trimethyl-silane
(2R)-aspartic acid
dimethyl (R)-2-aminobutanedioate hydrochloride
Conditions | Yield |
---|---|
In methanol at 20℃; Cooling; | 99.9% |
In methanol at 20℃; for 16h; Cooling with ice; enantioselective reaction; | 99.9% |
(2R)-aspartic acid
2-aminosuccinic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: acetyl chloride In ethanol at 0 - 20℃; for 0.5h; Stage #2: (2R)-aspartic acid In ethanol for 2h; Heating / reflux; | 99% |
ethanol
(2R)-aspartic acid
(R)-aspartic acid diethyl ester hydrochloride
Conditions | Yield |
---|---|
Stage #1: ethanol With acetyl chloride at 0 - 20℃; for 0.5h; Stage #2: (2R)-aspartic acid for 2h; Heating / reflux; | 99% |
methanol
(2R)-aspartic acid
dimethyl D-aspartate
Conditions | Yield |
---|---|
With thionyl chloride at 25℃; for 48h; | 98% |
With thionyl chloride at 20℃; for 48h; | 98% |
With thionyl chloride | 95% |
Conditions | Yield |
---|---|
Stage #1: (2R)-aspartic acid With hydrogenchloride; potassium bromide; sodium nitrite In water at 0 - 5℃; for 4h; Stage #2: With urea for 0.166667h; | 95% |
With hydrogenchloride; urea 1.) 70 deg C, 5 h; 2.) room temp., 18 h; |
(2R)-aspartic acid
methyl chloroformate
(R)-N-(methoxycarbonyl) aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide In water at 20℃; for 1h; | 95% |
(2R)-aspartic acid
toluene-4-sulfonic acid
benzyl alcohol
(R)-dibenzyl 2-aminosuccinate p-toluenesulfonic acid salt
Conditions | Yield |
---|---|
In benzene for 7h; Reflux; | 94% |
(2R)-aspartic acid
benzyl chloroformate
N-(benzyloxycarbonyl)-D-aspartic acid
Conditions | Yield |
---|---|
With potassium carbonate In water at 0 - 20℃; for 3.16667h; | 93.28% |
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; | 85% |
With sodium hydrogencarbonate for 18h; Ambient temperature; | 79% |
(2R)-aspartic acid
N-(benzyloxycarbonyl)-D-aspartic acid
Conditions | Yield |
---|---|
In dichloromethane; N-ethyl-N,N-diisopropylamine; N,N-dimethyl-formamide | 92.5% |
Conditions | Yield |
---|---|
With acetyl chloride at 0 - 25℃; | 90% |
With hydrogenchloride for 36h; Ambient temperature; | |
Stage #1: (2R)-aspartic acid With sulfuric acid at 20℃; for 2h; Stage #2: methanol at 20℃; |
(2R)-aspartic acid
(R)-2-bromosuccinic acid
Conditions | Yield |
---|---|
With sulfuric acid; potassium bromide; sodium nitrite In water at -5 - 0℃; | 90% |
With sulfuric acid; potassium bromide; sodium nitrite In water at -5 - 0℃; for 4h; | 90% |
With sulfuric acid; potassium bromide; sodium nitrite at -5℃; for 3h; | 85% |
Conditions | Yield |
---|---|
With acetyl chloride at 20℃; for 18h; | 89% |
(2R)-aspartic acid
(2S)-2-bromobutanedioic acid
Conditions | Yield |
---|---|
With sulfuric acid; potassium bromide; sodium nitrite In water at -2℃; for 2.5h; Inert atmosphere; | 88% |
With sulfuric acid; potassium bromide; sodium nitrite In water at -10 - 20℃; for 5h; | 84.5% |
(2R)-aspartic acid
n-hexadecanoyl chloride
N-palmitoyl-D-aspartic acid
Conditions | Yield |
---|---|
Stage #1: (2R)-aspartic acid With pyridine; chloro-trimethyl-silane In dichloromethane for 1h; Stage #2: n-hexadecanoyl chloride In dichloromethane for 1.83333h; | 85% |
Conditions | Yield |
---|---|
With formic acid at 100℃; for 0.5h; Sealed tube; | 84% |
(2R)-aspartic acid
Conditions | Yield |
---|---|
In ethanol at 50℃; for 1h; | 83% |
Conditions | Yield |
---|---|
Stage #1: undecyl alcohol; (2R)-aspartic acid With toluene-4-sulfonic acid In toluene Stage #2: With hydrogenchloride In water; acetone | 80.14% |
Conditions | Yield |
---|---|
Stage #1: (2R)-aspartic acid; 1-dodecyl alcohol With toluene-4-sulfonic acid In toluene Stage #2: With hydrogenchloride In water; acetone | 80.14% |
Conditions | Yield |
---|---|
Stage #1: octanol; (2R)-aspartic acid With toluene-4-sulfonic acid In toluene Stage #2: With hydrogenchloride In water; acetone | 80.14% |
Conditions | Yield |
---|---|
Stage #1: (2R)-aspartic acid; nonyl alcohol With toluene-4-sulfonic acid In toluene Stage #2: With hydrogenchloride In water; acetone | 80.14% |
Conditions | Yield |
---|---|
Stage #1: (2R)-aspartic acid; 1-Decanol With toluene-4-sulfonic acid In toluene Stage #2: With hydrogenchloride In water; acetone | 80.14% |
(2R)-aspartic acid
Conditions | Yield |
---|---|
In water; acetic acid at 20℃; for 18h; Solvent; | 75% |
methanol
(2R)-aspartic acid
p-toluenesulfonyl chloride
(2R)-N-(p-toluenesulfonyl)-aspartic acid dimethyl ester
Conditions | Yield |
---|---|
Stage #1: methanol; (2R)-aspartic acid With thionyl chloride at 0 - 25℃; for 15h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride With triethylamine at 0 - 25℃; for 2h; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate | 74% |
With methanol; sodium cyanoborohydride at 20℃; enantioselective reaction; | 32% |
Conditions | Yield |
---|---|
In water to a stirred suspn. of Ag2O in water was added solid aminoacid, stirred for 2 h; filtered, vapor diffusion with ethanol; | 69.4% |
methanol
N-(Benzyloxycarbonyloxy)succinimide
(2R)-aspartic acid
(+)-N-Cbz-β-methyl-D-aspartate
Conditions | Yield |
---|---|
Stage #1: methanol; (2R)-aspartic acid With thionyl chloride at 0 - 20℃; for 3h; Stage #2: N-(Benzyloxycarbonyloxy)succinimide With potassium phosphate In water; toluene at 0 - 20℃; for 14h; Stage #3: With hydrogenchloride In Isopropyl acetate; water pH=1; | 69% |
Conditions | Yield |
---|---|
With hydrogenchloride In water Heating / reflux; | 66% |
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