Iso Valeric acid

Equip a 1 litre bolt-head flask with dropi)ing fuuncl and a double surface reflux condenser to the top of the latter attach a device (e.g.. Fig. II, 8, 1. c) for the absorption of the hydrogen bromide evolved. Place 100 g. (108 ml.) of dry iso-valeric acid (Section 111,80) and 12 g. of pmified red phosphorus (Section 11,50,5) in the flask. Add 255 g. (82 ml.) of dry bromine (Section 11,49,5) slowly through the dropping funnel at such a rate that little or no bromine is lost with the hydrogen bromide evolved the addition occupies 2-3 hours. Warm the reaction mixture on a water bath until the evolution of hydrogen bromide is complete and the colour of the bromine has disappeared. Pour off the liquid reaction product into a Claisen flask and distil mider the reduced pressure of a water pump. Collect the a-bromo-wo-valeryl bromide at 117-122°/25-30 mm. The yield is 150 g. 

Valeriana offleinalis valerine, 778 iso Valeric acid, 90 Valeroidine, 64, 66, 90, 100 norValeroidine, 90... 

Azido-iso-valeric Acid. See under Valeric Acid and Beil 2, 318... 

Kon, 109 Perkin, 108 n-Valeraldehyde, 322 n-Valeric acid, 354, 355,357,359,487 iso-Valeric acid, 354, 355 n-Valeronitrile, 408 Vanadium pentoxide catalyst, 463 Vapour pressure, 1, 2 of mixtures, 6-11 Veratraldehyde, 803, 804 Veratronitrile, 803, 804 Veronal, 1002, 1003 Vibro mixer, 65 Vinylacetio acid, 463, 465... 

Iso-amyl alcohol is oxidised to iso-valeric acid, and glycol2 gives glycollic acid, trioxymethylene, and a sugar-like substance. 

Koliopoulos, T.C. and Koliopoulou, G. 2009. Biodegradation of iso-valeric acid in relation to other chemical indexes and spatial liner risk assessment at landfill topographies—mid auchencarroch experimental site. Asian Journal of Chemistry, 21(4) 2989-3000. 

Iso-valeric acid is one of the isomeric five carbon acids. It is 3-methyl butanoic acid. Valine is the alphchdimmo derivative of it. a-Amino Valeric Acid, CH3—CH2—CH2—CH(NH2)—COOH... 

E.17) (E.17) Butanoic acid, 3-methyl-, 3-methylbutanoic acid, 3-methylbutyric acid, so-valerianic acid, iso-valeric acid [503-74-2] FEMA 3102... 

Figure 1 Urinary organic acid chromatogram of a patient with propionic acidemia. Peak A is 3-hydroxypropionic acid, B is 2-methyl-3-hydroxybutyric acid, C is 3-hydroxy-iso-valeric acid, D is 3-hydroxy-/7-vaieric acid, peaks E represent propionylglycine, peak F is tigiyigiycine, peaks G are methyicitric acid. IS = internal standard (tricarballylic acid).

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