ChemicalBook--->CAS DataBase List--->157-03-9

157-03-9

157-03-9 Structure

157-03-9 Structure
IdentificationBack Directory
[Name]

6-DIAZO-5-OXO-L-NORLEUCINE
[CAS]

157-03-9
[Synonyms]

DON
L-DON
D2141
NSC-7365
H-L-Don-OH
don(pharmaceutical)
diazo-oxo-norleucine
H-6-DIAZO-5-OXO-NLE-OH
H-NLE(6-DIAZO-5-OXO)-OH
L-Nle(6-Diazo-5-oxo)-OH
6-DIAZO-5-OXO-NORLEUCINE
6-diazo-5-oxo,l-norleucin
6-diazo-5-oxo-l-norleucin
L-6-Diazo-5-oxonorleucine
5-Oxo-6-diazo-L-norleucine
6-DIAZO-5-OXO-L-NORLEUCINE
H-6-DIAZO-5-OXO-L-NORLEUCINE
L-Norleucine, 6-diazo-5-oxo-
6-DIAZO-5-OXO-L-NORLEUCINE USP/EP/BP
6-DIAZO-5-OXO-L-2-AMINOHEXANOIC ACID
(S)-2-AMINO-6-DIAZO-5-OXOCAPROIC ACID
6-Diazo-5-oxo-L-norleucine crystalline
(S)-2-aMino-6-diazo-5-oxohexanoic acid
(2S)-2-amino-6-diazo-5-oxohexanoic acid
(S)-2-Amino-6-diazo-5-oxocaproic acid, DON
6-Diazo-5-oxo-L-norleucine≥ 99% (TBAH, Titration)
(S)-2-Amino-6-diazo-5-oxocaproic acid, (S)-6-Diazo-5-oxo-L-norleucine
L-DON, 6-Diazo-5-oxo-L-2-aMinohexanoic acid, H-Glu(diazoMethylketone)-OH
[Molecular Formula]

C6H9N3O3
[MDL Number]

MFCD00037218
[MOL File]

157-03-9.mol
[Molecular Weight]

171.15
Chemical PropertiesBack Directory
[Melting point ]

145 °C
[Boiling point ]

301.12°C (rough estimate)
[density ]

1.3994 (rough estimate)
[refractive index ]

1.5800 (estimate)
[storage temp. ]

-20°C
[solubility ]

DMSO (Slightly, Heated, Sonicated), Water (Slightly)
[form ]

crystalline
[color ]

light yellow
[Merck ]

13,3026
[BRN ]

1725815
[Stability:]

Hygroscopic
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

23/24/25
[Safety Statements ]

36/37/39-45
[RIDADR ]

UN 2811 6.1/PG 3
[WGK Germany ]

3
[RTECS ]

RC6340000
[F ]

8
Hazard InformationBack Directory
[Chemical Properties]

Slightly yellow powder
[Uses]

6-Diazo-5-oxo-L-norleucine (DON) has been used as an inhibitor of glutamine synthetase–glutamine(amide)-2-oxoglutarate aminotransferase.
[Definition]

ChEBI: 6-diazo-5-oxo-L-norleucine is a non-proteinogenic L-alpha-amino acid that is L-norleucine which is substituted at position 5 by an oxo group and at position 6 by a diazo group. It is as inhibitor of various glutamine-utilising enzymes. It has a role as a bacterial metabolite, an analgesic, an antibacterial agent, an antiviral agent, an antineoplastic agent, an EC 6.3.5.5 [carbamoyl-phosphate synthase (glutamine-hydrolysing)] inhibitor, an EC 6.3.4.2 [CTP synthase (glutamine hydrolyzing)] inhibitor, an EC 6.3.5.3 (phosphoribosylformylglycinamidine synthase) inhibitor, an EC 6.3.5.2 [GMP synthase (glutamine-hydrolysing)] inhibitor, an antimetabolite, a glutamine antagonist, an apoptosis inducer, an EC 2.4.2.14 (amidophosphoribosyltransferase) inhibitor, an EC 3.5.1.2 (glutaminase) inhibitor, an EC 6.3.5.1 [NAD(+) synthase (glutamine-hydrolysing)] inhibitor and an EC 6.3.5.4 [asparagine synthase (glutamine-hydrolysing)] inhibitor. It is a non-proteinogenic L-alpha-amino acid, a diazo compound and a ketone. It is a tautomer of a 6-diazo-5-oxo-L-norleucine zwitterion.
[General Description]

Chemical structure: amino acid derivatives
[Biochem/physiol Actions]

DON is used to study mechanisms of glutamine utilizing enzymes such as carbamoyl phosphate synthase and cytidine triphosphate synthase.
[Purification Methods]

Crystallise it from EtOH, H2O/EtOH, MeOH, 95% aqueous MeOH or H2O/Me2CO. [DeWald & Moor J Am Chem Soc 80 3944 1958, Dion et al. J Am Chem Soc 78 3075 1956, Beilstein 4 IV 3278.]
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