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
Beilstein:
1721823
MDL number:
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22
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Assay
98%
form
powder
reaction suitability
reaction type: solution phase peptide synthesis
mp
>300 °C (lit.)
application(s)
peptide synthesis
SMILES string
CC(C)(C)C(N)C(O)=O
InChI
1S/C6H13NO2/c1-6(2,3)4(7)5(8)9/h4H,7H2,1-3H3,(H,8,9)
InChI key
NPDBDJFLKKQMCM-UHFFFAOYSA-N
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Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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
Philippe Bisel et al.
Organic & biomolecular chemistry, 6(15), 2655-2665 (2008-07-18)
The unique reactivity pattern elicited by the crowded tert-butyl group is highlighted by summarising characteristic applications. Starting from the use of this simple hydrocarbon moiety in chemical transformations, via its relevance in Nature and its implication in biosynthetic and biodegradation
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).
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