Acids. 



G41 



1340 



ACIDS CoHieOa 



Tetramethylcyclopentanone 

 carboxylic acid 



Me,C<CH(CO.H).OHMe 

 CHMe CO 



Perkm, W. H. juu. and Thorpe, J. F. 

 [1:1:3:5- Tetrametliyl - 4 - ketopenta- 

 methylene 2-carboxYlic acid, and its 

 oxime and semicarbazone.] London, J. 

 C'hem. Soc, 89, 190(5, (778-795). 



a-Pinonic acid 



and the semicarbazone. 



Wallach, 0. Liebigs Ann. Chem., 

 Leipzig, 346, 1906, (220-247). 



ACIDS CnHi«03 



Carvomenthone carboxylic acid 



CHMe<g^^;-g{J;>Cll.CHMe, 



Lapworth, A. London, J. Cliem. 

 Soc, 89, 190G, (1819-1831); [abstract] 

 London, Proc. Clieni. Soc, 22, 1906, 

 (285). 



Menthone carboxylic acid 



CHMe<^fj2-^J5'>C^^-*^'-^^«^2-C02H 



Clarke, R. W. L. and Lapworth, A. 

 [Menthonecarbo.xylic acid, antl its anhy- 

 dride, anhydramide and semicarbazone ; 

 fonnation of isomeric eyanohydrins 

 (cyanomentholcarboxvlactones).] Lon- 

 don, J. Chem. 800," 89, 1900, (1869- 

 1882) ; [abstract] London, Proc. Chem. 

 Soc, 22, 1906, (285). 



j9-0xycamphane carboxylic acid 



(Borneol earhoxylic acid?) 



Bredt, J. Liebigs Ann. Chem., Leip- 

 zig, 348, 1906, (199-209). 



ACID Cr.H2„03 



Pulegoneacetic acid 

 CHMe<gy2-^JJ >CH.CMe2.CH2.C02H 



and the seinicarhazone and ethyl ester. 



Vorlander, D., May, A. nnd Konig, 

 W. t.c, 345, 1906, (188-205). 



CYCLIC ACIDS CHzh-bOs 

 ACID CuHieOa 



Dihydrocarvone carboxylic acids 



^I-CH<gg(cI);H^gS:>CH-<-'^Ie:CH, 



Lapworth, A. [a-Dihydrocarvonecar- 

 boxylic acid, and its semicarbazone, 

 oxiine and salts ; also its oxidation. 

 )3-Dihydrocarvonecarboxylic acid, and 

 its semicarbazone, cj'anhydrin and salts ; 

 also its oxidation. Diliydrocarvonecar- 

 boxylic amide.] London, J. Chem. Soc, 

 89, 1906, (945-966) ; [abstract] London, 

 Proc. Chem. Soc, 22, 1906, (164). 



CYCLIC ACID CnHzn-i.Os 



ACID C,,Hi„03 



Indeneoxyacetic acid 



^^^^^ CH[CH(U lI).CU^l]^^g 



Ethyl ester. 



Thiele, J. nnd Rudiger, M. Liebigs 

 Ann. Chem., Leipzig, 347, 1906, (275- 

 289). 



CYCLIC ACID CnHin-nOa 

 ACID CuHsOa 



Indeneoxalic acid 



,.^H,< C[:C(OH) .CO.H]^CH 

 Methyl ester. 

 Thiele, J. nnd Rudiger, M. I.e. 



ACID CizH.oOa 



Methylindeneoxalic acid 



Ethyl and methyl esler.->. 

 Thiele, J. und Rudiger, M. /.<■. 



CYCLIC ACIDS CnH,„-i803 

 ACID ChHioOs 



Diphenyleneglycollic acid 



^«^^>C(0H).C02H 

 C6H4 



Ellas, C. Diss. Konigsbei-g i. Pi'., 

 1904, (111 + 54). 



Tiirkheimer, A. Die Dij)henylen- 

 glycolsiinre und einige ihrer Abkomm- 

 linge. Die Tetraphenylenbernsteinsanre. 

 Diss. Kouigsberg i. Pr., 1904. 



