1910 



736 



1910 



(HO)2C6H2< 



CYCLOID CieHiiOi 



Dioxyflavanone 



,0 .CHPh 

 ^CO . CH2 

 Dimethyl ether 

 Woker, G., KostanecM, St. und Tam- 

 T)or, J. Berlin, Ber. D. cliern. Ges., 36, 

 1903. ,'423n-4i'44 >. 



CYCLOID CjbHisO* 



Artemisin 



Bertolo, P. Eoma, Rend. Ace. Liucei, 

 (Ser. 5), 11, 1° Sem., 1902, (486-492). 



CYCLOID CifH,_04 



Resacetein 



[2-{2',-i:'-)-DioxyphenyI-i-anhijdromethyl 

 7-oxy-(] ,4:-l:)enzopyranoL)] 



,0 ~0 . CeHaCOH)^ 



"cicUi) . ck 



Billow, Carl. Berlin, Ber. D. chem. 

 Ge^.. 36, 1903, (730-736)- 



C5H3(OH)< 



0< 



CYCLOID C,7His04 



Thymolfurfurylacrylic acid 



C4H3O . CH : C(C02H> . CioHisO 



Girasoli, Domenico. Napoli, Rend. 

 Ace. sc. (Ser. 3), 8, 1902, (212-214). 



CYCLOID CiaHi604 



Acetodiphenyloxidobutyric acid 



Xl'li . CO . CH3 



Y'ph . CH2 . C02H 



Japp, F. R. and MicMe, A. C. [7- 



Aceto-;87-diplienyl-;87-oxidobutyric acid, 

 and its silver salt and semicarbazone ; 

 also the action of hydriodic acid on it.] 

 London, J. Chem. Soc., 83, 1903, (290- 

 292) ; [abstract].. Proc. Chem. Soc, 19, 

 1903. ^21-22). 



CYCLOID Cic.Hi,04 



Aceto-methyl-diphenyloxidobutyric 

 acid 

 ^ CPh . CO . CH3 

 CPh . CHMe . COjH 



Japp, F. R. and MicMe, A. C. [7- 



Aceto-a-methyl-j37-di phenyl-/37- oxidobu- 

 tyric acid, and its silver salt and oxime ; 



also the action of heat, of phenylhydra- 

 zine, of hydriodic acid, and of acetic 

 anhydride on it ; and its oxidation.] 

 London, J. Chem. Soc, 83, 1903, (294- 

 300) ; [abstract]. Proc. Chem. Soc, 19, 

 1903, (21-22). 



CYCLOID C2nHi404 



Phenolphthalein 



(HO . CeH4)2C<j3<'^>CO 

 oxime and its ethers. 

 Meyer, Richard imd Spengler, 0. 

 Berlin, Ber. D. chem. Ges., 36, 1903, 



C2949-2967). 



CYCLOID C,iHi404 



Trioxydiphenylbenzopyranol 



Dimethyl ethcn- C23HJ8O4 



CO . CH : C . CPh 



CH : CH . C : C(C6H3(OMe)2) . CH 

 Billow, C. und Riess, G. Berlin, Ber. 

 D. chem. Ges., 36, 1903, (2292-2303). 



CYCLOID C2.H1BO4 



Trioxydiphenyldihydropyrane 



Dimethyl ether C23H22O4 

 C(OH) : CH . C . CHPh 



CH : CH.C.CH(C6H3(0Me)2).CH2 



Billow, C. und Riess, G. Berlin, 

 Ber. D. chem. Ges., 36, 1903, (2292- 

 2303). 



CYCLOID C24H14O4 



Bisnaphthaketocoumarane 



., ^ ^CO . C . CH . CO^p ^ 



Ruhemann, S. [Bisnaphthaketocou- 

 maran.] London, J. Chem. Soc, 83, 

 1903, (1130-1133); [Abstract]. Proc. 

 Chem. Soc, 19. 1903, (201-202). 



CYCLOIDS CONTAINING FIVE 

 OXYGEN ATOMS. 



CYCLOID C6H4O5 



Tetrone-a-carboxylic acid 



Methyl ester 

 pg ^C(OH) : C . C02Me 



CO 



and the ethyl ester 

 Anschiitz, R. und Bertram, W. Ber- 

 lin, Ber. D. chem. Ges., 36, 1903, (468- 

 472j. 



