Acids. 



673 



1310 



Isovaleric acid. 

 Kurbatov et MakovecMj. CLaleur 

 lateule d'evapoiation et chaleur speci- 

 fique de I'isoamvlate isovalerianique. 

 (Russe; Z., 39. (Pr.-verb. 1640). 



o-Ames-oisovaleric acid 

 MezCH.CHfXHjl.COaH {rallne). 



Fischer u. Schenkel. Derivate des 

 ir.aktiven Valins. A., 354, (12). 



Matsubara. 49481. Resolution of 

 a-aminoisovalerianic acid. (Japanese.) 



DiTHIOISOVALERIC ACID CMe2.CH2.CS2H 



{IsobutylearVtthionlc acid). 

 Houben u. PoU, H. B., 40, (1725). 



Methylethylacetic acid 



Beomovaleric ACID CH2Br.CEtllC02H 



DiBUOMOVALERIC ACID 



CH^Br.CEtBr.COjH 



lODOVALERIC ACID CH2I.CEtH.CO2H 



Blaise et Luttringer. BL, 33, (760). 



Trimethylacetic acid Cilej.COgH 

 Bistrzycki u. Mauron. Die Abspal- 

 tung voo Kolileiiujonoxyd aus der 

 Triiuethylessigsaure. B., 40, (4.370). 



ACIDS C.;Hi O2 



"-Hexoic acid 



e-AMIS0-»-HEXOIC ACID XH;.[CH2]5.C02H 



(e-Leacine) 

 and its benzenesulphonyl derivative. 



Braun, J. von. B., 40, (1834). 



o€-DiAMiN"o-;)-HEXOic ACID {Lysine) 



action of nitrons acid. 

 Szydlowski, L. M., 27, (821). 



1 Isohexoic acid .Me2CH.CH2.CH2.CO2H 



DllUiuMoISOIIESOIC ACID 



CHMe2.CBr(Cll2Br).C02H 

 Blaise et Luttringer. Bl., 33, (TOO). 



a-A.MI.S"nISonEXOIC ACID 



Me2CH.CH2.CH(XH2).C02H 



{Racemie leucine) 



And its etJiyl ether and corresponding 



ureidc NH2.CO.NH.CH(C4H3).C02Et 



also its henzoyl and hcnzencsulphonyl 



BouveavQt 

 1(1180). 



derivatives, 

 et Locquin. 



DiTHIOISOHEXOIC ACID 

 CHMe2.CH2.CH2.CS.SH 



Tsoamylcaibithionic acid. 

 Houben u. Pobl, H. B., 40, (172.5). 



^-Methyl-)3.ethyI-propionic acid 



CH3.CH2.CHMe.CH,.C02H 



{Isocap-oic acid. 0-Methyl-n-valerie acid.) 



a-BROMOIIEXOlC ACID. 



Carl. Zerlegnng der o-Bromisocaproii- 

 saure in die optisch-aktiven Komponeii- 

 ten. Diss. Berlin, 1907. 



AlIlNOIIEXOIC ACID 



EtCmie.CH(XH2).C02H. Imleucme 



ethyl ester and its formyl, benzoyl and 



benzene sulphonyl derivatives. 



Bouveault et Locquin. BL, 35, (965). 



Locquin. Dedoublement de I'acide 

 o-aniino-)3-methyl-)3-ethylpropionique en 

 ses deux inverses optiques. Identifica- 

 tion avec I'isoleucine de F. Ehrlicb. 



BL, 1, (.595, 601 J. 



Ebrlich. 45S2S. Das natiirlicbe Iso- 

 mere des Leucins. Konstitution und 

 Synthese des Isoleucius. 



Fischer u. Eoelker. Isomere Leucyl- 

 leucine und deren Anbvdride. A., 354, 

 (39). 



d-AUoisoleucine 



Synthesis and preparation from d-iso- 



leuciue. 



EhrUch, F. B., 40, (2538). 



UR-UIIDOHEXGIC ACID 



NH2.CO.XH.CH(C02H).CHMeEt 

 Ethyl ester. 

 Bouveault et Locquin. BL, 35, (965). 



aa-Dimethylbutyric acid 

 CH3.CHj.C.Me2.C02U 



7-BROMO-aa-DI.VIETIlYLBUTYRlC ACID 



CH2Br.CH2.CMe2.CO2H Ethyl ester. 

 Blanc. BL, 33, (879). 



DiBROMUDIMETHYLBCTTRIC ACID 

 CH2Br.CHBr.CMe2.CO2H 



Courtot. BL, 35, (i')57). 



Dimetliylethylacetic acid 



Kt.C.Mc.CO.ll 



BL, 31, 



Braun u. Kittel, H. 



(803). 



M., 27, 1906, 



