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331821

Sigma-Aldrich

tert-Butyl 6-oxo-2,3-diphenyl-4-morpholinecarboxylate

≥99%

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About This Item

Empirical Formula (Hill Notation):
C21H23NO4
CAS Number:
302911-78-0
Molecular Weight:
353.41
MDL number:
MFCD00074954
UNSPSC Code:
12352100
PubChem Substance ID:
24860001

assay

≥99%

mp

191-193 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(C)(C)OC(=O)N1CC(=O)OC(C1c2ccccc2)c3ccccc3

InChI

1S/C21H23NO4/c1-21(2,3)26-20(24)22-14-17(23)25-19(16-12-8-5-9-13-16)18(22)15-10-6-4-7-11-15/h4-13,18-19H,14H2,1-3H3

InChI key

MRUKRSQUUNYOFK-UHFFFAOYSA-N

Application

tert-Butyl-(2R,3S)-(−)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate was used in asymmetric synthesis of unnatural amino acids.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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R M Williams
Methods in molecular medicine, 23, 339-356 (1999-01-01)
Unnatural and naturally occurring nonproteinogenic α-amino acids have become important building blocks for the synthesis of biologically active peptides and peptidomimetic drug molecules. The asymmetric synthesis of α-amino acids has therefore become quite important as an indispensable research tool in

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