1340 



616 



1340 



Kondakow, I[vaii]. Zur Rlclitigstel- 

 lung [betr. : Synthesen unter Einwirkung 

 von Ziiikchlorid in der hydroaromati- 

 schen Reilie]. J. prakt. Cheni., Leipzig, 

 (N.F.), 66, 1U02, (479-480). 



Michael, Arthur. On the conden- 

 sation of oxalic ethyl ester with ethylene 

 and trimethvlene cyanides. Amer. 

 Chem. J., Baltimore, Md., 30, 1903, 

 (156-16.3). 



Rabe, Paul und Weilinger, Karl. 

 Ueber die Aulagening von Acetessigester 

 an Carvon mittels Salzsaure [CWortetra- 

 hydrocarvonvlacetessigester], Berlin, 

 Ber. D. chem. Ges., 36, 190.3, {-JU- 

 238j. 



Rudiger, Max. Ueber Kondensations- 

 produkte des Indens mit Oxalester. 

 [Indenoxalsauremethvlester, etc.] Diss. 

 Miinchen (Driick v.'V. Hofling>, 1902, 

 (51). 23 cm. 



Stobbe, Hans. Studien iiber Tauto- 

 meric, insbesondere an einem semicyk- 

 lischen 1,3-Diketon der Pentamethylen- 

 reihe. [Diketopentamethylencarbon- 



saureester.] Liebigs Ann. Chem., Leip- 

 zig, 326, 1903, (347-370). 



Wenzel, G. Einwirkung von Halogen 

 und Schwefelkohlenstoff auf Natrium- 

 methylenv erbi ndungen [Tetramethylen- 

 karbonsauren, etc.]. Diss, techn. Hoch- 

 schule Berlin. Braunschweig, 1903, 

 (32). 



Werdermann, Arthur. Ueber Tauto- 

 merieerscheiiuuigen eines cyklischen 

 )3-Diketonestei-s der Pentamethylenreihe. 

 Diss. Leipzig (Druck v. Thalacker & 

 SchoiTer), 1902, (VII + 56). 22 cm. 



CYCLIC ACIDS WITH TWO 

 OXYGEN ATOMS. 



CYCLIC ACIDS CnH2..-202 



ACID C4H6O2 



Cyclopropane carboxylic acid 



CH, 

 CH, 



>CH . COjH 



(Trimetliylene earhoxyl'ie acid.) 



Bone, William A. and Sprankling, 



Charles H. G. Dissociation constant 

 of trimetliylenecarboxvlic acid. London, 

 J. Chem. Soc, 83, 1903, (1378-1380); 

 [Abstract] Proc. Chem. Soc, 19, 1903, 

 (247). 



Kiiner, X. M. Bromiiratiou deracii'ir 

 trimethylenecarbonique. (Russe) St. 

 Peterburg, Zurn. russ. iiz.-chim. Obsc., 

 35, 1903, (pr. verb. 1015). 



ACIDS CiHirOz 



Dihydrocampholytic acid 

 CsHis.CO^H 



DlBR0MODIHYDEO-/3-CAMPnOLTTIC ACII> 



CgHi.OjBrj i.e. 



CMeBr<^^^^2- CH^ 



CBr(C02H) . CH2 

 Ethyl and methyl esters. 

 Perkin, W. H. jiin. [Ethyl dibrom > 

 dihydro-j3-canipholytate and its conver- 

 sion into ethyl bromo-/3-campholytatt 

 and into o-camphylic acid. Methyl 

 dibromodihydro- j8-canipholytate.] Lou- 

 don, J. Chem. Soc, 83, 1903, (835-872 . 



CMeBr<' 



Isomeride 



,CMe2 CHj 



^CH(C02H) . CHBr 

 Perkin, W. H. jun. [a-Camphylic 

 nciddihydrobromide(dibromotetraliydro- 

 a-camplivlic acid).] London, J. Chem. 

 Soc, 83,' 1903, (835-872). 



CYCLIC ACIDS CH. 

 ACIDS C6H14O2 



-4O. 



'■-a-Campholytic acid CgHij.CO^H 



. p^r ^CMe===CH 

 i.e. CMeo<' 



'^CH(C02H).CH2 



Perkin, W. H. jiin. [Inactive o-cam- 

 jDholytic acid, and the action of bromine, 

 liydrobromic acid, and dilute sulphuric 

 acid on it.] London, J. Chem. Soc, 83. 

 1903, (835-872). 



DLhydro-a-camphylic acid 



DlBROiIODIin"DRO-a-CAMPHYLIC ACII" 



C9Hi202Br2 i.e. 



CMe< 



CMe, 



I 

 -CH 



^CBr(C02H). CHBr 

 Perkin, W. H. jun. [[Dibromodihydrc 

 a-camphvlic acid.] London, J. Chen 

 Soc, 83," 1903, (835-872). 



