Calcium alpha-ketovaline Chemical Properties

Melting point:

>330°C

storage temp. 

Hygroscopic, -20°C Freezer, Under inert atmosphere

solubility 

DMSO (Slightly), Water (Slightly)

form 

Solid

color 

White to Off-White

Stability:

Hygroscopic

InChI

InChI=1S/C5H8O3.Ca.2H/c1-3(2)4(6)5(7)8;;;/h3H,1-2H3,(H,7,8);;;

InChIKey

IMZGMVJQWNJKCI-UHFFFAOYSA-L

SMILES

C(=O)(C(=O)O)C(C)C.[Ca]

CAS DataBase Reference

51828-94-5(CAS DataBase Reference)

Safety Information

HS Code 

2918.30.9000

Calcium alpha-ketovaline Usage And Synthesis

Uses

3-Methyl-2-oxobutyric Acid Calcium Salt is used in preparation of (Fluoreneylmethoxycarbonylamino)-methyl-butenoic Acid.

Synthesis

5-isopropyl-4,4’-dimethyldihydrofuran-2,3-dione 170.21g (1 mol) dissolved in methanol 1500g, fully stirred to dissolve, controlled temperature 0 ?? to 55 ??, add calcium hydroxide 74.09g of 740.9g of propanetriol solution, stirring reaction for 8 hours, cooling 0 ?? crystallization for 2 hours, filtration, to get ketovalentine calcium crude product 140g, molar yield 90%. Add 140g of ketovaline calcium crude product into 20% methanol aqueous solution, warm up to 55 ?? to dissolve, cooling 0 ?? crystallization for 2 hours, filtration, obtained ketovaline calcium crude product 123g, molar yield 87.8%. HPLC purity 99.9%.

Calcium alpha-ketovaline(51828-94-5)Related Product Information

• Calcium chloride
• Methyl acetate
• Calcium Propionate
• Calcium cyanamide
• Bensulfuron methyl
• Isovaleric acid
• Calcium citrate
• 2,2-Bis(hydroxymethyl)butyric acid
• 2-(4-Chlorophenoxy)-2-methylpropionic acid
• METHYL THIOPHENE-2-CARBOXYLATE
• CARBOXYMETHYLCELLULOSE CALCIUM
• Calcium formate
• 2-Oxobutyric acid
• Methyl acrylate
• Kresoxim-methyl
• Thiophanate-methyl
• Calcium carbonate
• Methylparaben