332178
DL-tert-Leucine
98%
Synonym(s):
(±)-2-Amino-3,3-dimethylbutyric acid, DL-α-tert-Butylglycine
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About This Item
Linear Formula:
(CH3)3CCH(NH2)COOH
CAS Number:
Molecular Weight:
131.17
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
MDL number:
Beilstein/REAXYS Number:
1721823
InChI
1S/C6H13NO2/c1-6(2,3)4(7)5(8)9/h4H,7H2,1-3H3,(H,8,9)
SMILES string
CC(C)(C)C(N)C(O)=O
InChI key
NPDBDJFLKKQMCM-UHFFFAOYSA-N
assay
98%
form
powder
reaction suitability
reaction type: solution phase peptide synthesis
mp
>300 °C (lit.)
application(s)
peptide synthesis
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Irina F Zhurko et al.
Molecules (Basel, Switzerland), 25(4) (2020-02-23)
Nitroxides are broadly used as molecular probes and labels in biophysics, structural biology, and biomedical research. Resistance of a nitroxide group bearing an unpaired electron to chemical reduction with low-molecular-weight antioxidants and enzymatic systems is of critical importance for these
Shu-Lai Liu et al.
Bioprocess and biosystems engineering, 28(5), 285-289 (2005-10-26)
Penicillin G acylase (PGA) from Kluyvera citrophila immobilized on Amberzyml was used for enantioselective hydrolysis of N-phenylacetylated-DL-tert-leucine (N-Phac-DL-Tle) to produce L-tert-leucine (L-Tle). The effects of various organic cosolvents on hydrolysis of N-Phac-DL-Tle have been investigated in aqueous-cosolvent medium. It was
K Laumen et al.
Bioscience, biotechnology, and biochemistry, 65(9), 1977-1980 (2001-10-26)
Optically pure D-tert.-leucine was obtained by the enzymatic hydrolysis of (+/-)-N-acetyl-tert. leucine chloroethyl ester after about 50% conversion, this being catalyzed by a protease from Bacillus licheniformis (Alcalase), and subsequent acidic saponification of the recovered ester. Among the methyl, ethyl
Yingchao Zhang et al.
Organic letters, 6(1), 23-25 (2004-01-03)
[reaction: see text] A highly diastereoselective acetate aldol reaction that uses a tert-leucine-derived thiazolidinethione auxiliary and dichlorophenylborane has been developed. The reaction proceeds in excellent yields and with high diastereoselectivities (drs range from 9.5:1 to >100:1).
Fernando Formaggio et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 11(8), 2395-2404 (2005-01-26)
Terminally protected homopeptides of tert-leucine, from the dimer to the hexamer, co-oligopeptides of tert-leucine in combination with alpha-aminoisobutyric acid or glycine residues up to the hexamer level, and simple dipeptides representing known scaffolds for catalysts in asymmetric organic reactions were
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