Cycloids containing oxygen. 



758 



1911 



2-Benzylxanthene 



C,U7.CcH3<^,jj >C6H4 



Heller u. Kostanecki. B., 41, fl324). 

 Diplienyldihydrofurfurane. 



TETRAMETHyLDIAMINO DERIVATIVE 



Guyot et Pignet. C.R., 146, mi). 

 CYCLOID C20H22O 



i,--o Diphenylene-1,1' dipropyl- 



ethylene oxide. 

 Zincke u. Tropp. A., 362, (2i2\ 



CYCLOID CafiHigO 



i,l-Diphenyl-3-phenylenephthalane 



Shibata. 61931. 



CYCLOID C. H22O 



1 >2-o-Diphenylene-l .- dibenzyl- 



ethylene oxide. 

 Zincke u. Tropp. A., 362, r2-i2). 



CYCLOID C2,H,40 



1 , 1 -Dibenzyl-3-benzylidene- 

 phthalane 



(''(' H ^ 

 SMbata. 01 931. 



CYCLOIDS wirn two oxygen 



ATOMS. 

 CYCLOID C5H4O2 



Furfural dehyde. 



FUKFUHALIU'XIME I'EUOXIDE 



02(N : CH.C\U,0), 

 Ponzio. G., 36, ii, (101). 



Fl-RFURALAZINE (C4H30.CH)2X2 



Compound uitli picric acid. 

 Ciusa. (;., 36, ii, (94). 



CYCLOID C HmO. 



/3-Isopropylvalerolactone 

 Me2CH.CH<^i^;;^;^>0 

 and its hydrazine compound. 

 Blanc. B]., 3, (1^94). 



CYCLOIDS C,Hh02 



CH : CII 

 — CO 

 CH : CTl 



CS 



CoumarinC6H4< 



Tino-DERIVATIVE C6H4<C 



Clayton. 55247. [Coumarin mercuri- 

 chloride. Thicouinarin and its mercuii- 

 chloride.] 



(i- and 7-Chloro-iierivatives. 

 Clayton. 55248. 



CYCLOIDS 



JJ CH 



BenzopyranolCeH.<^^^^^^^^,^^ 



'V-Oxy-l : 8 : i'-tyimet]ioxy-4: : '^-indcno- 



bevzopyranold : A) anhydrojerr'i chloride. 



7 : S : 4' : B-'Tetrameiltoxy-i : o-indeno- 



henzopyranol (1:4) unhydroferri- 



chloride. o-Oxy-A' : l-dimelhoyy-i: o-'ni- 



denohenzopyranol (1 : 4) anhydro- 



hydrocldoride, anltydroliydro'iensulpliate, 



and other derivatives. 



7:4: '>'-'Tr'imethoxy-4: : '.Vij^denohenzo- 



pyranol (I : ijanltydroliydrocJdoride and 



other salts. 



4' : 5'-Dioxy-7 vietho-vy-i : o-indeno- 



hemopyranol (1 : 4) ardiydrohydrogen- 



snlphdte and jerri chloride. 



Engels, Perkin & Robinson. 55947. 

 4-Methylcoumaranone 



CeH3Me<^>CH, 



Also BENZYI.IDENK-4-METHYLCOUMARANONE 

 DICROMIDE. 



Auwers u. Miiller. B., 41, '4233l 



4 Methyl-2-coumaranone 

 5-Methyl-2-coumaranone. 

 Fries u. Finck. B., 41, (4271j. 



5-0xy-2-metliylcoumarone. 



5-Metiivl-[iehivative. 

 Kostanecki u Lampe. B., 41, i 1330). 



CYCLOID C9H,o02 



5-Oxy-2-methylcoumarane. 



5-Metuyl derivatiae and its ■i.-yeratruyl 

 coinpouyul. 



Kostanecki u. Lampe. B., 41, (I330)> 



