Cycloids containing oxygen. 



CYCLOID CnHioOz 



Benzylfurfuraldehyde- 



/CiC]l.,Ph-:CH 



V(CHO)=CH 

 PnENYLBENzyi.nvriRAZiDE and osime 

 Fenton u. Robinson. 65948. 



CYCLOID C,2Hi40. 



Diethylphthalide 



and the 5,6-dibro5io coiirouND. 

 Simonis, H. u. Arand, K. B., 42, 



(37l'l;. 



LACTONE C12H20O2 

 C4Hs.CH.CH2 

 CHlCjH,) : C.O.CO 

 from isovaleric acid. 

 Bouveault et Locquin. BL, 5, (1143a 



CYCLOID CuHsOz 



Oxanthone. 



2,4-DlNITUO-OXANTHOSE 



CsH,<^Q°>a:H,fX02), 

 Ullmann 11. Engi. A., 366, (87). 

 CYCLOID CnHnO. 



Tolylmetliylfurfuraldeliyde 

 ^c(cno) CH 



Fenton A: Robinson. 65948. 

 CYCLOID Ci3Hn02 



Phenyl-i,a-furfuiyl-3-propanol-l 

 PhCHi oil i.CHj.CHj.C^HjO 

 and the acetate and ethti. ether. 

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

 (2357 . 



CYCLOID C14H10O2 



Phenylethinyl ether of i.yrocatechol 



CeH.<^-.^:H 

 0. LTh 

 and its mbromide. 

 Lazennec. Bl., 5, (509). 



LACTONE CUH24O2 



C5H,,. CH.CH, 

 CJL.CH: C.O.CO 

 BouveaiUt et Locquin. Bl., 5, (1143). 



G92 1911 



CYCLOID C,:H, 0, 



Benzylidenei-ocoumaranone- 



Czaplicki, S.. Kostanecki, St. v. u. 

 Lampe, V. B., 42, i834 . 



CYCLOIDS Ci H,:02 



Benzyl'-'coumaranone. 



Czaplicki, S., Kostanecki, St. v, n. 

 Lampe, V. B., 42, (S33i. 



5-Methoxy-2-phenyl-coumarone 

 Motylewski. B., 42, i3149:. 



CYCLOID C,.H,,0 



>-Plienyl-5-methylisocoumarin 



X"0 . o 



CcH3Me< 



-CH : CPh 

 Miiller, E. B., 42, (429). 



CYCLOID C. H,.0> 



2.6-Dipheiiyltetrahydropyi'one 

 Tetka-bromo derivative 



CBr2.c0.CBr, 



CHPh.O.CHPh 

 gtvan. Z., 41, (477). 



CYCLOID Ci HieO- 



f-Oxy-iSf-diphenyl-A'^ pentene- 

 7-carboxylic acid lactone 



7-CYAyo derivative. 

 CH2 : CPh.CiCXj.CH^.CHPh 



I 



co- 



Haworth. •' 



CYCLOID Ci,Hu02 



Plienylxantlienol 



0<^«g*>CPh.OH 



and the chloride and peroxide 

 also p-CHi.oRO and p-BROiioriiENYi.- 



XASTHEN'OL. 



Gomberg u. Cone. A., 370, (153). 



CYCLOID C2;H .0 

 Dinaplitliapyi'anol 



0<p>^'h^>CH.011 



Picraie (0[C,oH6]2CH)20C6H2(N02)3 

 Fosse. Bl., 5, (787, 793, 799, 827 j. 



