1930 



754 



1930 



SULPHONIC ACIDS. 



Schubart, Philipp. Synthese isomerer 

 Indigodisiilfosauren. Diss. Halle a. S. 

 (Druck von. E. Karras), 1902, (66). 

 22 cm. 



CYCLOID CifiHnONz 



'l-0xy-2,6-diphenyl-l,3-diazine. 



The 5-Benzene Azo derivative 

 C^^H.eON^ i.e. 



PhN3 . c<2xm^ : l>cp^^ 



Biilow, Carl und Hailer, Ekkeliard. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (915-938). 



CYCLOID C18HUO2N2 



(5 . 5'), (6 . 6'), and (7 . 7')- 



Dimethylindigotin. 



Kuhara, M. and CMkasliig^, M. 

 Anier. Chem. J., Baltimore, Md., 27, 

 1902, (1-15). 



CYCLOID CijHisONz 



Phenyl-benzoyl-trimethyl-pyrazole 



T. ..TT ^/CMe.NPh 

 ^CMe : N 

 {l-Phenyl-i-pJienacyl-S,5-dimethyl- 

 pyrazole). 



Marcli, Fr. Paris, C.-R. Acad, sci., 

 134, 1902, (843-845). 



C6H4< 



CYCLOID CnHioOjN 



Carbinirubin 



CO . c = c 



>C6H4 



CO . NH CO . NH' 



Gabriel, S[iegmund] mid Colman, J. 

 Berlin, Ber. I), chem. Ges., 35. 1902, 

 (2421-2430). 



CYCLOID C18H10O4N2 



Carbindigo 



>C : ), 



(CeH,<^^^ 



CO . NH' 



Gabriel, S. und Colman, J. Berlin. 

 Ber. 1). chem. Ges., 35, 1902, (2421 

 2430). 



CYCLOID CsHisOsNj 



Formed uv reduction of cAUiiiNDino. 



Gabriel, S[iegmnnd] mid Colman, J. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (2421-2430). 



CYCLOID Ci8Hn04N2 



DlHYDRIDE OF CARBINDIGO. 



Gabriel, S[iegmund] nud Colman, J. 

 Ueber 4-Oxyisocarboslvril 11. Berlin, 

 Ber. D. chem. Ges., 35, 1902, (2421- 

 2430). 



CYCLOID C20H12ON2 



C6H4 . C : N^ 



CgH^ 



OH . CgHa . C : N' 

 and its oxyacetyl and oxybenzoyl 

 derivatives. 



Werner, A. Liebigs Ann. Chem., 

 Leipzig, 321, 1902, (248-357), 322, 

 1902, (135-173). 



CYCLOID C20H14O4N2 



/^-Ditolyl-indoxylic acid anhydride 



also jS-dinnphthyl-indoxylic acid 

 anhydride. 



Conrad, M[ax] und Reinbacb. H. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (511-525). 



CYCLOID C2nH,802N2 



5.7.5'. 7'-Tetramethylindigotin. 



Kuhara, M. and Chikasig^, M. Amer. 

 Chem. J., Baltimore, Md., 27, 1902, 



(1-15). 



CYCLOID C21H18O2N2 



Di-a-pyridyl phenyltrimethylene 

 diketone 



PliCH(Cll2 . CO . C5H4N)2 



Engler, ( i. mid Engler, A. Berlin, Ber. 

 D. chem. Ges., 35, 1902, (4061-4066). 



