1910 



713 



1910 



CYCLOID CieHuOs 



Brazilin 



ASD TOE TBIMETHTL ETHER C19H20O5 



KostanecM, St[aiiislaus] v. unci Lampe. 

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

 (1667-1674). 



CYCLOID CisHieOs 



[CoiiponsD FKOii Brasilia] 

 (Dehydrotrimethylbrasilone). 



KostanecM, St[anislaus] v. und Lampe, 



v. Studien liber das Brasilin. Berlin, 

 Ber. chem. Ges., 35, 1902, (1667-1674). 



CYCLOID CsoHuOs 



Fluorescein. 



Hewitt, J. T. and Tervet, J. X. 



[Fluorescein hydrochloride and mono- 

 and di-svdphates.] London, J. Chem. 

 Soc, 81, 1902, (665-666) ; [abstract], 

 London, Proc. Chem. Soc, 18, 1902, (86). 



Fluorescein derivatives C2oH809N2Br2 



Hewitt, J. T. and Woodforde, Alfred 

 William George. [2 : 7-Dibronio-4 : 5- 

 dinitrofluorescein and 4 : 5-dibromo-2 : 7- 

 dinitiofluorescein, and their salts, and 

 acetyl and benzoyl derivatives.] London, 

 J. Chem. Soc, 81, 1902, (893-900); 

 [abstract], London, Proc. Chem. Soc, 

 18, 1902, (128-129). 



DioxYFLUOBESCEiSE derivatives 



viz. Hemipinic acid dioxyfluoresceine 

 C22II16G9 



Quinolic acid dioxyfluoresceine 



Diphenyltetreue dicarboxylic acid dioxy- 

 fluoresceine C30II18O, 



Naphthalene dicarboxylic acid dioxy- 

 fluoresceine C24H,407 



Fluoresceine C20H12O5 



Liebermann, C[arl] imd Wolbling, 1'. 

 Leber einige Dioxyfluoresceine mid 

 Dioxyeosine. Berlin, Ber. D. chem. Ges., 

 35, 1902, (1782-1788). 



CYCLOIDS CONTAIN INO SIX 

 OXYGEN ATOMS. 



CYCLOID C6H4O6 



Oxycomenic acid. 



Tickle, T. and Collie, J. Xorman, 

 [Hydroxvcomenic acid and its ethyl 

 ester.] London, J. Chem. Soc, 81, 1902, 

 (1006-1007) ; [abstract] Loudon, Proc. 

 Chem. Soc, 18, 1902, (170-171). 



CYCLOID C7H4O6 



Chelidonic acid. 

 Schlotterheck, -J idius] 0. und Wat- 

 Mns, H. C. Beitrage zur Chemie des 

 Stylo phorum dipliyllum. Berlin, Ber. 

 D. chem. Ges., 35, 1902, (7-23). 



CYCLOID CioHftOe 



1-3-Dioxy-chromone /S-carboxylic 

 acid 



(Dioxyhenzopyrone cavhoxylic acid) 

 Dimethyl derivative 



C,ii,(Olle%<^ ._C.C02H 

 CO .CH 



Kostanecki, St[anislaus] von imd 

 Ruijter de Wildt, J. C. de. Berlin, Ber. 

 D. chem. Ges., 35, 1902, (861-865). 



CYCLOID CsHioOe 



3.3.4'. 5'-Tetra-oxy-flavone 

 • HO . C : CH . C . . C . C6H2(OH)3 

 HC:CH.C.CO. CH 



AND ITS TETRA-METHTiL AND TETltA-ACETYL 

 DERIVATIVES. 



Kostanecki, St[anislaus] v. imd 

 Plattner, E. Leber ein beizenziehendes 

 Tetraoxyflavon. Berlin, Ber. D. chem. 

 Ges., 35, 1902, (2544-2546). 



CYCLOID CuHi.Ob 



Brazilone 



Trimethyl ether 



C«H-/ 



0- 



-C^— >C6H2(OMe)2 



\CH(OH) . C(OH) 

 OMe 



Gilbody, A. W. and Perkin, \V. H. jiau 

 [Trinu'tliyl brazilone and the [action of 

 heat and of phenylhjdrazine on it. 



