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Acid β-hydroxy β-phenyl n-butanoique (+)S, also known as (+)-β-phenyl-β-hydroxybutyric acid or (+)-PHB, is a chiral organic compound with the molecular formula C10H12O3. It is a derivative of β-phenylbutyric acid, featuring a hydroxyl group (-OH) at the β-position. acide β-hydroxy β-phenyl n-butanoique (+)S is a white crystalline solid and exhibits optical activity, with the (+)-enantiomer being the one in question. (+)-PHB is of interest in the field of pharmaceuticals and chemistry due to its potential applications in the synthesis of various biologically active compounds and as a chiral building block. It is also used in the study of enzyme-catalyzed reactions and as a reagent in asymmetric synthesis. The compound's properties, such as its solubility and reactivity, can be influenced by the presence of the hydroxyl group, making it a valuable tool in organic chemistry research and development.

773-58-0

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773-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 773-58-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 773-58:
(5*7)+(4*7)+(3*3)+(2*5)+(1*8)=90
90 % 10 = 0
So 773-58-0 is a valid CAS Registry Number.

773-58-0Downstream Products

773-58-0Relevant academic research and scientific papers

Stereoselective Aldol Reaction with Chiral Secondary Acetamides

Devant, Ralf,Braun, Manfred

, p. 2191 - 2207 (2007/10/02)

The deprotonated acetamides 4a - c and 5a - c are added to prochiral carbonyl compounds.The influence of the solvent, of the reaction temperature, and of the enolate gegenion on the ratio of the isomeric products 8/9, 18/19, and 26/27, respectively, are studied.The highest degree of diastereoselectivity are observed, when the titanium enolate of the acetamide 4a or the threefold deprotonated N-acetyl-α-phenylglycinol (5a) is used.The diastereomers 18a - d, formed in excess in the addition of 5a to aldehydes, are isolated in pure from by a single recrystallization, and afford the enantiomerically pure β-hydroxy carboxylic acids 3a - d.Thereby, the chiral auxiliary, α-phenylglycinol (14), is recovered.

SYNTHESES ASYMETRIQUES DE β-HYDROXYACIDES PAR CONDENSATION D'ANIONS ENOLATES D'ESTERS α-SULFINYLE CHIRAUX SUR DES COMPOSES CARBONYLES

Mioskowski, Charles,Solladie, Guy

, p. 227 - 236 (2007/10/02)

A stereospecific synthesis of (R)-(+)-t-butyl p-tolylsulfinyl acetate 2 is described.The aldol-type condensation of this reagent leads to β-hydroxyacids in good chemical and optical yields.The determination of the absolute configuration of the condensatio

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