cas 56353-15-2, N-Acetyl carnosine | Articles data

The invention discloses a preparing method for N-acetyl-L-carnosine and belongs to the technical field of medical intermediates. The method comprises the steps that beta-alanine is subjected to ammonia acetylization to obtain N-acetyl-beta-alanine; N-acetyl-beta-alanine and L-histidine are condensed to obtain N-acetyl-beta-carnosine. N-acetyl-beta-alanine and an acylation reagent react in a non-polar solvent to obtain N-acetyl-beta-alanyl chloride, and L-histidine and organosilane react under the catalyzing of acid to obtain organosilane-protected L-histidine; then organosilane-protected L-histidine and N-acetyl-beta-alanyl chloride are condensed to obtain organosilane-protected N-acetyl-L carnosine, a polar solvent is added to remove protecting groups, and N-acetyl-L-carnosine is obtained through separation and purification. Or, N-acetyl-beta-alanine and L-histidine are condensed under the action of a condensing agent to obatin N-acetyl-L-carnosine.

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56353-15-2

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Chemical Properties

Appearance/Colour :white to off-white powder

Melting Point: 253 - 260 C

Boiling Point: 775.9 °C at 760 mmHg

Flash Point:423 °C

Density: 1.343 g/cm³

Solubility:Methanol (Slightly), Water (Slightly)

Storage Temp.:Hygroscopic, -20°C Freezer, Under Inert Atmosphere

Vapor Pressure: 0mmHg at 25°C

PKA: 3.08±0.10(Predicted)

PSA: 124.18000

LogP: -0.17040

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Article Database

56353-15-2

Articles about 56353-15-2Total 1 be found

More Articles about upstream products of 56353-15-2

Chemical Properties

Appearance/Colour :white to off-white powder

Melting Point: 253 - 260 C

Boiling Point: 775.9 °C at 760 mmHg

Flash Point:423 °C

Density: 1.343 g/cm3

Solubility:Methanol (Slightly), Water (Slightly)

Storage Temp.:Hygroscopic, -20°C Freezer, Under Inert Atmosphere

Vapor Pressure: 0mmHg at 25°C

PKA: 3.08±0.10(Predicted)

PSA: 124.18000

LogP: -0.17040

Global suppliers and manufacturers of 56353-15-2total 162 suppliers on LookChem

Density: 1.343 g/cm³