Mixed Cycloids. 



r.ii 



1911 



CYCLOID C 10 H 12 04 



Cantharidin 



cn 2 .cii,.cii 



CIT 2 .CH,.CH 





 \CH.CO 



Gadamer. U111B. 



CYCLOIDS CHO4 



Euxanthone 

 CH : « 1 1 C.O.C.CH:CH 

 CH : C(OH).C.CO.O.CH : C.OH 



Coloured and colourless derivatives. 

 Zemer u. Lbti. M., 34, (981). 



L-Methyl ether 

 HO.C 6 lI 3 < ( 5o>C 6 H 3 ()Me 

 Herzig u. fctanger. M., 35, (47). 



Pe'-i-naphthalide carboxylic acid 

 n tt ^CH(C0 2 HX 



Brrera e Ajon. G., 44, ii. (92). 



CYCLOID C 13 Hi 2 4 



Ketopropionylphenylparacone 



C,H 5 .CO CH< C ° C0 

 CHPh.O 



Kotz u. Lemien. J. pr., 90, (382). 

 CYCLOID C5H12O4 



Dioxybenzylcoumaranone 

 C 6 H,(OH) 2 < ( ^ ) >CH.CH 2 Ph 



Bargellini e Monti. G., 44, ii, (25). 



CYCLOID CsHhO* 



Yangonin 

 CH<{^_ e £g>C.CH : CH.C 8 H 4 .OMe 



And VANGONIC ACID. 

 Also IHHYDROYAXGON1X. 



Borsche u. Gerhardt. B., 47, (2902). 

 CYCLOID Ci 6 H 8 4 



Oxindigo 

 C,H 4 < C °>C : G< C °>C,H 4 

 Derivatives. 

 Fries et alii. A., 405, (346). 



CYCLOIDS WITH FIVE 0X1 OEN 



ATi >MS 



CYCLOID CijHO, 



Haematic acid 



X'o.O.ClL.ciIj.rn.ll 



"CO.C.CH3 

 Synthesis. 

 Kuster u. Weller. B., 47, (532). 



0< 



CYCLOIDS C, 9 H u 0s 



a-o-Carboxybenzoyl-7-/»tolyl- 

 butenolactone 

 C 6 H 4 Me.C:CH, 



6 .co' 



Borsche. B., 47, (2708). 



1 >CH.C0.C,H 4 .C0 2 H 



2-o-Carboxyphenyl-"j-p-tolyl- 

 furane carboxylic acid 



And Carboxyfiiexye-methoxystyryl- 



FURFURANE CARBOXYLIC ACID. 



Borsche. B., 47, (2708). 



CYCLOID C2 8 H 16 5 



Dioxynaphthafluorane. 

 Fischer u. Konig. B., 47, (1076). 



CYCLOIDS WITH SIX OXYQEW 

 ATOMS. 



CYCLOID CuHioOs 



Meconin carboxylic acid 



MeO.C< C (° Me )-?- CO °> 



CH:CH.C.CH(COjH) 



and its esters, amide and benzylamide. 

 Freundler. Bl. [4], 15, (465). 



CYCLOID Ci 5 H,oOe 



Datiscetin is 1 : 3 : I'-Trioxyflavonol 



ttU - L « u *- o< »C(0H).C0 > 

 Leikiewicz u. Marchlewski. B., 47, 

 (1599). 



CYCLOIDS WITH ELEVEN OXYQEN 



ATOMS. 



CYCLOID CiaHpOu 



Euxanthic acid. 

 Herzig u. Stanger. M., 35, (47). 



