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117-34-0 - Diphenylacetic acid, 99% - A11489 - Alfa Aesar

A11489 Diphenylacetic acid, 99%

Numéro CAS
117-34-0
Synonymes

Dimensions Prix ($) Quantité Disponibilité
100g 38,73
500g 131,40
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Diphenylacetic acid, 99%

MDL
MFCD00004251
EINECS
204-185-0

Propriétés chimiques

Formule
C14H12O2
Poids formulaire
212.25
Point de fusion
146-148°
Point d'ébullition
195°/25mm
Solubilité
Slightly soluble in water(0.13g/L).

Applications

Kinetic resolution of racemic 1-heteroarylalkanols by asymmetric esterification using diphenylacetic acid with pivalic anhydride and a chiral acyl-transfer catalyst is described. Molecular crystal of acridine and diphenylacetic acid and its absolute asymmetric photodecarboxylating condensation generates chirality in a two-component. The activation parameters for the racemization of a series of ortho-alkyl-substituted diphenylacetic acids are determined.

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Références bibliographiques

O. S. Akkerman,; J. Coops. Optical activity of symmetrically substituted acetic acids. Part I: The stability against racemization of some ortho-alkyl-substituted diphenylacetic acids. Recueil des Travaux Chimiques des Pays-Bas 1967, 86 (7),755-761.

Isamu Shiina,; Keisuke Ono,; Kenya Nakata. Kinetic Resolution of Racemic 1-Heteroarylalkanols by Asymmetric Esterification Using Diphenylacetic Acid with Pivalic Anhydride and a Chiral Acyl-transfer Catalyst. Chemistry Letters. 2011, 40 (2), 147-149.

Indicator for titration of organolithium reagents: J. Org. Chem., 41, 1879 (1976).

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,3316
Beilstein
1910978
Code tarifaire harmonisé
2916.39
TSCA
Yes
RTECS
AH2515000

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