Acids. 



759 



1350 



Usnic acids. 



Widman, Oskar. Contributions to 

 the knowledge of usnic acid. V-X, 

 (1902). (Swedish) Stockholm, Vet.-Ak. 

 Bih., 28. II, No. 3, 1903, (GO); [I-IV, 

 ib. 25, II, No. 0-9, 1900.] 



Zopf, W. Liebigs Ann. Chem., Leif)- 

 zig, 326, 1904, (46-85). 



ACIDS WITH TWO OXYGEN 

 ATOMS. 



ACID CnH2n-202 



ACID C18H34O2 



Dihydrochaulmoogric acid 



C„H33.C02H 



and its derivatives. 



Power, Frederick Belding and Gomall, 

 Frank Howorth. [Dihydrochaidmoogric 

 acid and its methyl ester. Bromodi- 

 hydrochaulnioogric acid, C,7H32Br.C02H. 

 Ethyl dibromodihydrochaulmoograte, 

 C],H3iBr2.C02Et.] London, J. Chem. 

 Soc, 85, 1904, (851-8GI); [abstract] 

 London, Proc. Chem. Soc, 20, 1904, 

 (136-137;. 



ACID C„H2n-402 



ACID C18H32O2 



Chaulmoogric acid C17H31.CO2II 



Power, Frederick Belding and Gomall, 

 Frank Howorth. [Chaulmoogric acid, 

 an unsaturated, alicyclic acid, obtained 

 from Chaulmoogra oil ; also its metallic 

 salts.] London, J. Chem. Soc, 85, 19u4, 

 (838-851) ; [abstract] London, Proc. 

 Chem. Soc, 26, 1904, (135-136). 



The constitu- 

 tion of chaulmoogric acid. Part I. [Its 

 methyl, ethyl and chaulmoogryl esters, 

 and amide ; the action of hydrogen 

 bromide and bromine on it, and its 

 o.xidation and reduction.] London, J. 

 Chem. Soc, 85, 1904, (851-861); [ab- 

 stract] Loudon, Proc Chem. Soc, 20, 

 1904, (136-137). 



ACID C.,H2..-e02 

 ACID C20H32O2 



Lepranthic acid- 



Zopf, \V. Liebigs Ann. Chem., Leii> 

 zig, 336, 1904, (46-85). 



ACID CnH2n-,o02 



ACID C19H28O2 



Abietic acid. 



Easterfield, T. II. and Bagley, George. 

 The resin acids of the Coiilferae. Part I. 

 The constitution of abietic acid. 

 London, J. Chem. Soc, 85, 1904, (1238- 

 1249). 



Tschirch, A[lexander] unil Studer, B. 

 Uutersuchungen iiber die Sekrete. — 55. 

 Zur Konstitution der Abietiusiiure. 

 Arch. Pharm., Berlin, 241, 1903, (523- 

 545). 



ACIDS WITH THREE OXYGEN 

 ATOMS. 



ACIDS C.,H2n-203 



ACIDS CizHizOi 



Phellonic acid 



and its acetyl derivative C22H4jAc03 

 and iodopheUonic acid C22H41IO3 



Schmidt, M. v. Zur Kenntnis der 

 Korksubstanz. (I. Mitteilung.) Wien, 

 SitzBer. Ak. Wiss., 112, 1903, (Abt. lib, 

 1109-1133); Wien, MonHfte Chem., 

 25, 1901, (277-301). 



Isophellonic acid 



0221142^^3 aud its etJiijl ester. 

 Schmidt, .M. von. Wien, MonHfte 

 Chem., 25, 1904, (277-301). 



ACID CnH2..-603 

 ACID C2,H3«03 



Cyclogallipharic acid 



C2oU34(01I;.C02H 



Salts, acetyl derivative, ethyl ester, 



dibromo derivative 



C2„H32Br2(01I).C02H, 



and product of addition of iodine 



02lH36l203 



Kunz-Krause, H. nnd Schelle, P. 



J. prakt. Chem., Leipzig, (X.F.), 69, 

 1904,(387-432). 



Schelle, Paul. Beitriige zur Kenntnis 

 der clieinischcn Bestandtcile der Eichen- 

 Uallen. Ueber die Cyklogallipharsiiure, 

 eine neue, in den Gallapfcln vorkom- 

 mende cyklische Fettsiiure. Phil. Diss. 

 Ba.sel. 1903-04. Leip/.ig-Keudnitz, 

 1903,(86 + 1). 8vo. 



