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Tert-butyl (+/-)-O-acetylmandelate, also known as 2-acetyl-2-phenylbutanedioic acid, is an organic compound with the chemical formula C12H14O5. It is a chiral molecule, meaning it has a non-superimposable mirror image, and is used as a synthetic intermediate in the preparation of various pharmaceuticals and agrochemicals. tert-butyl (+/-)-O-acetylmandelate is characterized by its molecular weight of 238.24 g/mol, a melting point of 70-72°C, and a density of 1.2 g/cm3. It is a white crystalline solid that is soluble in organic solvents such as ethanol and acetone. Tert-butyl (+/-)-O-acetylmandelate is synthesized through the reaction of acetic anhydride with (+/-)-mandelic acid, and its chemical structure consists of a tert-butyl group, an acetyl group, and a mandelate moiety. Due to its versatile reactivity and chiral nature, it plays a significant role in the synthesis of various biologically active compounds.

4768-42-7

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4768-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4768-42-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,6 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4768-42:
(6*4)+(5*7)+(4*6)+(3*8)+(2*4)+(1*2)=117
117 % 10 = 7
So 4768-42-7 is a valid CAS Registry Number.

4768-42-7Relevant academic research and scientific papers

Synthesis of Chiral α-Aryl-α-Hydroxyacetic Acids: Substituent Effects in Pig Liver Acetone Powder (PLAP) Induced Enantioselective Hydrolysis

Basavaiah, Deevi,Krishna, Peddinti Rama

, p. 2403 - 2416 (1995)

Pig liver acetone powder (PLAP) catalyzed hydrolysis of alkyl α-acetoxy-α-arylacetates produces alkyl (S)-α-aryl-α-hydroxyacetates in 23-80percent enantiomeric purities.Enantioselectivity is dependent on the ester group of O-acetylmandelates.Substitution on the aromatic ring results in inferior selectivities.Only acetate group is hydrolyzed by PLAP while the ester functionality is found to be completely intact.

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