1910 



CYCLOID CisH, 



Xanthene ^^2<c^\>0 



riuorones derived from xanthene 

 Liebschiitz, J. nnd Wenzel, F[ranz]. 

 tlber das 5, 7-Dimethyl-8-G.vyfluorou. 

 Wien, vSitz-Ber. Ak. Wiss., 112, 190.3, 

 (Abt lib, 1151-11G3) ; Wien, MonlJfte 

 Cliem., 25, 1904, (319-331). 



Schreier, A. imd Wenzel, F[ranz]. 

 Oljer die Reaktiousfiihigkeit substi- 

 tuierter rhloroghicine bei der Fluoren- 

 bildiuif. Wien, SitzBer. Ak. Wiss., 

 112. 1903, (Abt. lib, 1143-1150); 

 Wien, MouHfte Chem., 25, 1904, (31 1- 

 318). 



Wenzel, F[ranz] und Scbreier, A. 

 Uutersuc-liungen liber die Konstitutiou 

 des Tetrametbyltrioxyfluorons. Wien, 

 SitzCer. Ak. Wiss., 113, 1904, (Abt. 

 lib 287-311); Wien, MonHfte Chem., 

 25,'l9'b4, (657-681). 



CYCLOID CHioO 



2, 2-Diethyl-l. 2-chromene 

 . CEt2 



Houben, J. Berlin, Bcr. D. chem. 

 Ges.. 37, 1904, (489-502). 



CYCLOID CkH 



An Oxide. 

 Zumpfe, K. Wien, MonHfte Chem., 

 25, 1901, fl24-13n. 



CYCLOID CirHnO 



Dimethylxanthene 



[4 ^]CeH,Me<^^>CoIl3Me 



(dimcthijhliphenopyrane). 



Fosse, R. et Robyn, A. Paris, Bui. 

 600. chim., (ser. 3), 31, 1904, (257-264). 



CYCLOID CkHhO 



9-Phenylxanthene 



Ullmann, Fr. und Engi, C. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (2367- 

 2374). 



872 Cycloids containing oxygen. 



CYCLOID C2iH2«0 



Diphenylbutylfurfurane 



o< 



CTh 



CPh 



T(CMe3,) : CH 



Japp, F. R. and Maitland, William. 

 [4:5- Diphenyl - 2 - icrt.- Initylfurfurane, 

 formed by the action of hydriodic acid 

 on benzoyltrimethacetylstyrene ; also 

 its 3-chloro- and 3-acetoxy-derivatives.] 

 London, J. Chem. Soc, 85,1904, (1496- 

 1512) ; [abstract] London, Proc. Chem. 

 Soc, 20, 1904, (205-206). 



CYCLOID C21H26O 



Dimethyldiisopropylxanthene 



C3H,.C6H2Me<' Q ^Cell^Me.CjH, 



Fosse, R. et Robyn, A. Paris, Bui. 

 soc chim., (ser. 3), 31, 1904, (257-264). 



CYCLOID C^.HuO 



9-Diplienylxanthene 



c,ii.<'';^'^>iui. 



Also the I'-aniino- and 4'-dimethylamiuu- 

 derivatives. 



UUmann, Fr. und Engi, G. Berlin, 

 Bcr. 1). chem. Ges., 37, 1904, (2.367- 

 237-1). 



CYCLOID C vHifO 



Phenyldinaplithylxanthene 



I)l.METIIYl.-/1-AiMlN0rilENVLl)INArinil.V- 

 X AN THESE 



NMe2.C6H4.CH<^'»S'>>0 



and DlETllYL-p-AMINOl'UENYI.lJlNAI'HTIIA- 

 XANTHEKIO 



(Diethijlaminoplicn'jldinaphthoirijmne). 



Fosse, R. Paris, C-R. Acad, sci., 

 138, 1901, (575-577). 



CYCLOID C28H24O 



Tetraphenyltetrahydrofm-furane 



Cll,CPh. ^^ 

 CH^.CPb., 



Valeur, Armand. Paris, Bui. soc. 

 chim., (ser. 3), 29, 1903, (683-689). 



