Optical Properties. 



984 



7310 



de L'Extreine-OrieDt. (Russ.) St. 

 Peterlnijo-, Zurn. luss. fis.-chim. Ob§c., 

 38, 190rC (proc.-verb. 1079-lOSO). 



Tutton, A. E. H. [Molecular re- 

 fraction of ammonium selenate in the 

 crvstalline and dissolved states.] Lon- 

 don, J. Chem. Soc, 89, 1900, (1059- 

 1083) ; [abstract] London, Proc. Chem. 

 Soc, 22, 1900, (153-154). 



Ult6e, A. J. Aliphatic ketone cyan- 

 hydrine.s. Berlin, Ber. D. chem. Ges., 



39,1906,(1856-1858). 



Wedekind, E. und Weisswange, W 



[Diketo tetramethvlcvclobutane.] f.c. 

 (1C31-1(;1C)). 



Wulfing, E. A. [MineraKarbung und 

 Lichtbrechung.] Stuttgart, 1906, (49- 

 C7, mit 1 Taf.). 



Dispersion. 



Fricke, W. Brechungsexponenten 

 absorliierender Fliissigkeiten im ultra- 

 violetten Spektrum. [Auomale Dis- 

 persion.] Diss. Jena, 1904. 



Stiefelhagen, A. Disi^ersion fliissiger 

 Trichloi-ide und Tetrachloride fiir ultra- 

 violette Strahlen. Diss., Rostock. 1905. 



7315 ROTATORY ROLARISATION. 



Besclike, E, Verhalten der Nitrite 

 einiger cyklischer KohlenwasserstofEe. 

 Diss., Gottingen. 1904. 



Cohen, .1. 1'.. and Armes, II. P. 



Rotation of the menthyl esters of the 

 isomeric chloronitrobenzoic acids. Lon- 

 don. J. Chem. Soc, 89, 1906, (454-4(i2) ; 

 [abstract] London, Proc. Chem. Soc, 

 22, 1906,(74). 



Rotation of the menthyl 



esters of three isomeric dinitrobeiizoic- 

 acids. London, J. Chem. Soc, 89, 1906, 

 (1479-1483); [abstract] London, Proc. 

 Chem. Soc, 22, 1906, (241\ 



and Zortman, T. II. Ro- 

 tation of the menthyl esters of the iso- 

 meric dibromol)cnzoic acids. London, 

 J. Chem. Soc, 89, 1900, (47-53) ; [ab- 

 stract] London. Proc. Chem. Soc, 21, 



1905, (306-307). 



Ehrlich, F. Verhalten racemischer 

 Aminosanrcn gegen Hero. Berlin, Zs. 

 Ver. D. Znckerind., 56, 1906, Twhn. 

 Tl, (840-860J ; Biocheni. Zs., Berlin, 1, 



1906, (8-31). 



Elias, G. J. Anomale Dispersion der 

 luagiietischen Rotationspolarisation. 



Physlk. Zs., Leipzig, 7, 1906, (931-933). 



Federer, M. a-ai-Diaminoazelain- 

 siiure, a-;3-L)iamino-battersaure tind 

 a-Oxy-^S-amino-buttersiiure. Neue Me- 

 thode der Spaltuug von Racemkorperu. 

 Diss. Berlin, 1906. 



Fischer, E. Spaltung der a-Amino- 

 isovaleriansiiure in die optisch activen 

 Componenten. Berlin, Ber. D. chem. 

 Ges., 39, 1900, (2320-2328). 



Svnthese von Polypeptiden. 



XV. t.c. (2893-2931). 



und Carl, H. Zerlegung 



der a-Brom-isocapronsiiure in die 

 optisch-activen Componenten. t.c. (3996- 

 4003 j. 



iind Jacobs, W. A. Spal- 

 tung des racemischen Serins in die 

 optisch-activen Componenten. t.c. 

 (2942-2950). 



und Raske, K. Stereo- 



chemie der 2. 5-Diketo23iperazine. t.c. 

 (3981-3995). 



Frankland, P. F. and Done, E. In- 

 fluence of various substituents on the 

 optical activity of malamide. [The 

 rotatory power of the methylamide, 

 ethylamide, n- and iso-propylamides, 

 allylaniide, n- and iso-butylamides, 

 ?(-heptylamide, jjiperidide and phenyl- 

 hydrazide in pyridine, methyl alcohol 

 and glacial acetic acid solutions.] Lon- 

 don, J. Chem. Soc, 89, 1906, (1859- 

 1869); [abstract] London, Proc. Chem. 

 Soc, 22, 1906, (286). 



and Twiss, D. F. Influence 



of various substituents on tiie optical 

 activity of tartramide. 11. [Rotatory 

 power of tartaric diamide, methylamide, 

 etliylamide, n- and ('.so-propylauiides, 

 allylaniide, n- and iso-butylaniides and 

 7i-lie])tylamide in pyridine, methyl al- 

 cohol anil water solutions.] London, J. 

 Chem. Soc, 89, 1906, (1852-1859); 

 [abstract] London, Proc. Chem. Soc, 

 22, 1906, (285-280). 



Gnesotto, T. e Crestani, (!. Potere 

 rotntorio spccilieo (kdlu nicotina sciolta 

 in miscugli di acqiia e alcool ctilico. 

 ^'enezia, Atti 1st. ven., (Ser. 8), 6, ii, 1901, 

 (679-702). 



Grossmann, 1). Eimvirkung alkali- 

 sclier Kupferlosungeu auf das Dreiuuigs- 

 vermogen der Zucker, hciherer Alkohole 



