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HomeProduct name list(R)-3-PHENYLBUTYRIC ACID

(R)-3-PHENYLBUTYRIC ACID

Synonym(s):(R)-β-Methylhydrocinnamic acid

(R)-3-PHENYLBUTYRIC ACID Structural

What is (R)-3-PHENYLBUTYRIC ACID?

Chemical properties

optical purity >99%

Purification Methods

Purify the acids as the 2-isomer above, i.e. by distillation, but under a good vacuum. [Prelog & Scherrer Helv Chim Acta 42 2227 1959, Levene & Marker J Biol Chem 93 761 1932, 100 685 1933, Cram J Am Chem Soc 74 2137 1952.] The R-amide crystallises from H2O, with m 101.5-102o, and [] 20 -16.5o (c 1.2, EtOH). The racemic acid has m 39-40o, b 134-136o/6mm, 158o/12mm [Marvel et al. J Am Chem Soc 62 3499 1940]. [Beilstein 9 IV 1813.]

Properties of (R)-3-PHENYLBUTYRIC ACID

Boiling point: 94-95 °C/0.3 mmHg (lit.)
Density  1.069 g/mL at 20 °C (lit.)
refractive index  n20/D 1.517
pka 4.67±0.10(Predicted)
optical activity [α]20/D 57±2°, c = 1% in benzene
BRN  2501477

Safety information for (R)-3-PHENYLBUTYRIC ACID

Computed Descriptors for (R)-3-PHENYLBUTYRIC ACID

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