Cycloids containing oxygen. 



810 



1911 



HO.C6H3< 



CYCLOID C10H3O3 



4-Methyl-'''-oxy-coumarin 

 ,CMe : CM 



^0 CO 



and the o,7-dibromo and DisiTRf 



DEUIVATIVES. 



Borsche, W. B., 40, (l'731 j. 

 CYCLOID CioHioOs 



Pyrocatecholmono-a-oxybutyro- 

 lactone 

 U.CHEt 

 ^«^^<0.C0 

 Bischoff u. Frbmich, E. B., 40, (2779). 



CYCLOID CiiHioOs 



Dimethylumbelliferone 



0- 



-co 



and its methyl ether. 



CoUie u. Chrystall. [Formation of 

 dimethylumbelliferone by the action of 

 sulphuric acid ou the comjaound, 

 C'letligOe.obtained by the action of heat 

 on ethyl sodioacetoacetate.] J.C., 91, 

 (1802). 



CYCLOIDS C12H14O3 



Plienyldimethyloxvbutyrolactone 

 H0.CH<J]^QVcMe2 

 Blaise et Courtot. BL, 35, (989). 



CYCLOID CsHnO, 



Xanthylacetic acid 

 And its NiTKiLE, AXiLTDE, 0, m and }) 



TOLDIDE and /3-NAPHTHYLAMIDE. 



Fosse. Bl., 35, (1005). 



CYCLOID CicHuO, 



7-Oxy-2,o-indeno-l,4-benzopyranol 



HO.C6H3<'^ 9:^'^^* 



' ' CH(0H).C.CH2 



Hydrochloride, platinicMoride and auri- 

 chloride. 



PerMn, jun. & Robinson. 504:78. 

 CYCLOID C17H14O3 



Xanthylacetylacetone 



Fosse. Bl., 35, (10051 



CYCLOIDS CisHieOs 



2-0xy-i'-isopropylflavone 

 3-0xy-4'-isopropylflavone 



And their jjetiioxy derivatives. 

 Kostanecki, St. von. V>., 40, (3669). 



COMPOUND CibHisOs 



^_CII.CH,C0.CMe3 



CloH6< 



CO.O 



From naphtha] dehy die acid and pina- 

 colin. Also its oxiiiE. 



Phenyldimethyloxyliutyrolactone wuchowsti, s. M., 26, (749). 



Courtot. Bl., 35, (969). 



CYCLOID C13H16O3 



Benzyldimethyloxybutyrolactone 



PiiCH2.CH<g^'-'-^J)^>CMe2 

 Blaise et Courtot. Bl., 35, (360). 

 CYCLOID CuH.sOj 



o- and fl-Naphthylmethylglycidic 

 acid 



CioH7.CMe<^^-^'^2^ 



Ethy'l ester. 

 Darzens. C.R., 145, (1342). 



CYCLOID C20H12O3 



Coeroxonium 



Methyl, n-PROPYL and isobutyl ethers. 



Decker u. Fellenberg, S. von. A., 

 356, (281). 



CYCLOID C.oHieOs 



2>0xydiphenylphthalide 

 CO<,V^>CPh.C6H4.0H 



Baeyer, A. A., 354, (152). 

 CYCLOID CjiHmOs 



l4-Methyl-9-coeroxonol 



and the ethyl ether. 



Decker u. Fellenberg, S. von. A., 

 356, (281). 



