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93197

Sigma-Aldrich

Poly-L-leucine-1,3-diaminopropane

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About This Item

MDL number:
UNSPSC Code:
12352200

form

powder

application(s)

peptide synthesis

Application

Catalyst employed for the enantioselective epoxidation of enones to epoxy ketones (Juliá-Colonna epoxidation) in heterogeneous phase. Green epoxidation catalyst of choice according to Glaxo-Smith-Kline's reagent guide.

Novel conditions for the Juliá–Colonna epoxidation reaction providing efficient access to chiral, nonracemic epoxides

Other Notes

Catalyst employed for the enantioselective epoxidation of enones to epoxy ketones (Juliá-Colonna epoxidation) in heterogeneous phase[1][2]

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Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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C. Lauret
Tetrahedron Asymmetry, 12, 2359-2359 (2001)
R W Flood et al.
Organic letters, 3(5), 683-686 (2001-03-22)
[reaction: see text]. Polyethylene glycol (PEG)-bound poly-L-leucine acts as a THF-soluble catalyst for the Juliá-Colonna asymmetric epoxidation of enones. Excellent enantioselectivities may be obtained even with short chain length polyleucine. FT-IR investigations have determined that the catalytically active polyleucine components

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