Cycloids containing oxygen. 693 . 



CYCLOID CjtHi.O: 



Phenyldinaphthaxanthenol 



0<p'f.^>CP],.0H 



and the chloride and double salts. 

 Gomberg u. Cone. A., 370, (I67j. 



CYCLOID C42H26O2S 



Dinaphthapyryl sulphide 



[o<;^-[j^>ch]^s 



Fosse. Bl, 5, (796). 



CYCLOIDS WITH THREE OXYGEN 



ATOMS. 



CYCLOID C8H4O3 



Coumarandione 



I Ketocoum(irauoiie). 

 Stoermer. R. B , 42, (199j. 



CYCLOIDS C H O2 



5-Methyldiketocoumarane 

 QH3Me<^Q^>C0 

 Fries, K. B., 42, (234). 



1911 



^-Oxycoumarin 



C H <^'(*-*^I'' • ^^ 



' ' CO 



Also j8-Chloro and bromc coum.^rins. 

 Anschutz. A., 367, (196). 



3,5-DiCHLORo DERIVATIVE and its 



a-CnrhetJioxy compound. 



Anschtitz n. Shores. A., 368, (25). 



3,5-DlHUOMO DERIVATIVE 



a-Carheflioxy, a-cijano and a-acetijl 



compounds. 

 Anschutz u. Lbwenherg. A., 368, (29). 



3,5-DlIODO DERIVATIVE 



c.-Carhethoxy. a-cyano and a-acetyl 



derivcitives. 

 Anschutz u. Schmitz. A., 368, (35). 



CYCLOIDS CioHsOs 



7-Phenyltetronic acid 



CO 



and the o-carbethoxy derivative. 

 Anschutz u. Bocker. A., 368, (65). 



4-Methyl--3-oxycoumarin 

 o-MethyI-/3-oxycoumarin 

 Anschutz. A., 367, i:13i'n. 



CYCLOIDS C13H3O3 



)3-0xy-2,3-naphthacoumarin 



CO 



Anschutz. A., 367, (202). 



^-Oxy-2, l-naphthacoumarin 



and the a-CARBETiioxY, a-CYXso and 



a-ACETYL DERIVATIVES. 



Anschutz u. Runkel. A., 368, (43). 

 CYCLOID CijHirOs 



Benzoylfurfurylmetliane 

 C6H5.CO.CH.,.CU.C4H3(.) 

 Semmler, F. W. u. Ascher, E. B., 42, 

 (2359. 



CYCLOID CsHiOj 



Santonin. 



OXIME, a and ^-HYDROXYLAillNO-SASTOXIS 



OXIME and tlieir henzyJidene derivatives. 

 Francesconi e Cusmano. 66175. 



CYCLOIDS CeHnOa 



3,5-Dimethoxy-2-plienyl-coumarone 

 5,i'i-Dimethoxy-2-phenyl-coumarone 

 Motylewski, B., 42, (3150i. 



CYCLOID C21H30O3 



Epistearolhydrin 



CH ^ 



'^CH.CH^.O.CO.Ci.Hs, 



Quensell, H. B., 42, (2444 1. 



CYCLOID C22H,303 



Phthalylideneanthrone 



CO<[:>[};>C : C<^'^^^'>CO 

 Padova. C.R., 149, (219). 



CYCLOID C22H16O3 



Benzylidene-2-oxyflavanone. 

 Methyl ether. 

 Auwers, K. n. Arndt, F. B., 42, (2711). 



