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693626

Sigma-Aldrich

S-N-(3,5-Di-tert-butylphenyl)-3-methyl-2-(N-formyl-N-methylamino)butanamide

96%

Synonym(s):

Sigamide

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About This Item

Empirical Formula (Hill Notation):
C21H34N2O2
CAS Number:
928789-96-2
Molecular Weight:
346.51
MDL number:
MFCD10565635
UNSPSC Code:
12352002
PubChem Substance ID:
329761605
NACRES:
NA.22

Assay

96%

form

solid

optical activity

[α]22/D -170°, c = 1 in chloroform

mp

180-186 °C

storage temp.

2-8°C

SMILES string

CC(C)[C@H](N(C)C=O)C(=O)Nc1cc(cc(c1)C(C)(C)C)C(C)(C)C

InChI

1S/C21H34N2O2/c1-14(2)18(23(9)13-24)19(25)22-17-11-15(20(3,4)5)10-16(12-17)21(6,7)8/h10-14,18H,1-9H3,(H,22,25)/t18-/m0/s1

InChI key

OVKNTNIBDGTNQY-SFHVURJKSA-N

Application

Used in the synthesis of chiral 1,2-diarylsubstituted aziridines.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Andrei V Malkov et al.
The Journal of organic chemistry, 72(4), 1315-1325 (2007-02-10)
Asymmetric reduction of ketimines 1 with trichlorosilane can be catalyzed by N-methylvaline-derived Lewis-basic formamides 3a-d with high enantioselectivity (< or =95% ee) and low catalyst loading (1-5 mol %) at room temperature in toluene. Appending a fluorous tag, as in
Enantioselective synthesis of 1,2-diarylaziridines by the organocatalytic reductive amination of alpha-chloroketones.
Andrei V Malkov et al.
Angewandte Chemie (International ed. in English), 46(20), 3722-3724 (2007-04-07)
Andrei V Malkov et al.
Organic letters, 6(13), 2253-2256 (2004-06-18)
[reaction: see text] Asymmetric reduction of ketimines 1 with trichlorosilane can be catalyzed by a new N-methyl L-valine derived Lewis basic organocatalyst, such as 4d, with high enantioselectivity. The structure-reactivity investigation suggests hydrogen bonding and arene-arene interactions between the catalyst

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