Acids. 



683 



1310 



Collie & Chrystall. The production 

 of orcinol derivatives from tlie sodium 

 salt of ethvl acetoacetate by the action 

 of heat. J.'C, 91, (1802j. 



Gaxdner & Perkm. jun. The action 

 of tribromopropane on the sodium deri- 

 vative of ethyl acetoacetate. J.C., 91, 



(848). 



Hicks. Ein ,,Desmotropie" beira 

 Thiobisacetessigester. Diss. Jena, 1907. 



Scbeller. Kondensation von Propy- 

 lenbroinid mit Natracetessigester. Diss, 

 techn. Miinclien, 1907. 



Schreiner. Azin des Acetessigesters 

 und Methvlacetessigesters. Diss. Jena, 

 1907. 



Stobbe. Die desmotropen Formen 

 des Acetessin;esters l)ei tiefeu Tempera- 

 turen. A., 352, (\:i2}. 



n. Miiller. Jlolekularge- 



wiohtsljestimmutig des Acetessigesters 

 in gefrierendem Chloroform. A., 352, 



(147). 



7-Cin.ORO.iCETO ACETIC ACID 



CH2Cl.CO.CH2.CO2H Ethyl ester. 

 Lespieau. BL, 33, (460). 

 Ticha. Synthese. M., 27, (124.5). 



OXIUIDOACETOACETIC ACID 



Acetyl derivative of the ethyl ester 



CH3.CO.C(NOAc).C02Et 



(acetylisomtroso-acetylaeetate cTethyle) 



and its ■plienylhijdrazone 



CH3.C(N2HPh).C(N0Ac).C02Et 



Also the corresponding 

 CH3.C(N2HPh).C(N0H).C02Et 



Wahl. 151, 33, (48(5). 



a-Aldehydo-propionic acid 



CllO.CIij.Cilj.CO.U 

 Butamalie acid. 



iDlPHENVLIiIIIYDUOTETRAZONE C2nH2204N4 



i.e. [— x\rh.N : CH.CUj.CHj.COjHJj 



PIIEXYLIIYDRAZON'E HYDHAZIDE 



PhNll.N : ('!I.CIl2.(;il2.CO.NH.NnPh 

 and its (riplieiiiildiluidrotetvazonfi 



('„n..o,N« 



Fichter 

 1545). 



Guggenheim. J. pr., 76, 



ithylglyoxylic acid c.llj.co.COjH 



Etlii/I ester. 

 Locquin. 151., 31, (1147). 

 {d-8530) 



OxiME Et.C(N0H).C02H 

 {a-()ximidobu>yric acid) 

 and its ethyl ester. 

 Locquin. BL, 31, (1068;. 



ACIDS CsHsOs 



^-Acetylpropionic acid 



CH3.G0.CH2.CH2.CO2H 



Laevulic acid. Laevulinic acid. 



Weber. Kondensationsprodukte aus 

 Lavulinsaureester, Blausaure und in 

 p-Stellung substituierten Anllinen. B., 

 40, (4044). 



7-Acetylpropionic acid 



77-DiETHOXYVAi.ERic ACID. Propyl ester 



CH3.C(0 EtJ2.CH2.CH2.C02C3H7 



Bouveault et Blanc. Bl., 31,.(1210). 



w-Propylglyoxylic acid C3H7.co.CO2H 



Etliyl and isohutyl esters and their 



semicarbazones. 

 Locquin. BL, 31, (1147). 



O.xiME C3H,.C(NOH).C02H 

 And its Ethyl ester and isobiityl ester. 



Locquin. BL, 31, (lOGS). 

 Isopropylglyoxylic acid 



OxiME eMij.C.XOII'.COjH 

 (a-Oximido-isovaleric acid) 

 And its etJiyl ester. 

 Locquin. BL, 31, {IOCS). 



ACIDS CbH, 0. 



Metliylethylpyi'uvic acid 



CsIIs.CMMo.CO.COJI 

 Ethyl ester and its oxiine. 

 Locquin. BL, 35, (962). 



Scc-Butylglyoxylic acid 



C2H5.CiL\lo.CO.CO.,ll 

 And the plienylhydrazone. 

 Mebus, A. iM., 26, (483). 



Isobutylglyoxylic acid 



.M.',CII.('iL.('O.CO,H 



Ethyl ester and ita scmicarbazoiw 



SE.MICARI!AZ()NE ot the aoid. 

 OxiME Me.,(;H.CH2.C(X01I).C0,H 



and its ethyl e.iter. 

 Locquin. BL, 31, (1068, 1147). 

 2 z 



