Cycloids containing oxygen. 



759 



1911 



>C.CEt20H 



57074. Am., 



CYCLOID C9H14O2 



Diethyl---furfui'yl-carbinol 

 CH.CH 

 CH. 

 Hale, McNally & Pater 

 35, (08). 



CYCLOIDS CirH;02 



:^-Methylcoumaiin 



C.Me:CH, 



CO 



and the dibromide. Also 1- and o-hrouo 

 1,.5-DiBROMo and 1,3,5-tribromo 



DERIVATIVES. 



Peters n. Simonis. B., 41,. '.-^SO^ 

 Peters. Diss. Berlin, 1908. 



4-Methylcoumarin. 



Ci- and 7-("hl(>I!0-derivatives. 

 Clayton. 55248. 



,CH : CH 

 "0 — CO 

 XH : CH 

 ~0 CS 



-Methylcoumarin C|3H3Me< 



TlIIO-DEUIVATIVE C 'jHo^le^ 



Clayton. 55247. [7-Methylconmarin 

 mercuricliloride, cobalticyanide, platini- 

 chloride, oxime and j^lienylhydrazone. 

 7-lIethyltliiocoumarin and its mercuri- 

 chloride.] 



CYCLOID CicHi O2 



4. •VDimethyl--'-coumaranone. 

 Fries u. Finck. B., 41, i:4271;. 



CYCLOIDS CuHio02 



1 , 2-Dimethylcoumariu 



,CMe : Cile 



C6H,<^_ 

 Peters u. Simonis. 



-CO 

 B., 41, f830). 



r« : 7-. f, : S- and 5 : 8- 



Dimethylcoumarins. 

 Clayton. 55248. 



4 : 7-Dimethylcoumarin 



X'.Me:CH 



C6H3iJe<' 



~0- 



-CO 

 X'ile : CH 



TH10-DERIV.4.TIVE CfiH,Me< 



CS 



Cla3rton. 55247. [4 : 7-Dimethyl- 

 couniarin mercurichloride, cobalti- 



cyanide, platinichloride, oxime and 

 phenylliydrazone. 4 : 7-DimetliyIthio- 

 I'oamaiin and its meicuiicliloride.] 



Barg-ellini. 54097. 4-metil-/Q-iuetil- 

 cuinarina. 



CYCLOID CkHivOz 



Dimethylphenopyranol 



/CH : CMe 



\0 .CileCOH) 

 Decker u. Fellenberg. A., 364, 1 . 



CYCLOID C11H20O2 



7-Hendecolactone. 

 Zukov & Sestakov. Z., 40, CS30). 



CYCLOID Ci,H. O2 



2-Phenyl-'«-methyl-4-pyrone 



CPh : CH.CO 

 6.CMe=CH 



Ruhemann. 01344. 'Formation of 



4-pyrone compounds 

 acids. 



CYCLOID 

 4:0: 7-, 4 : : 8-, 4 : 5 : 7- and 5 : 6 : 8- 



Trimethylcoumarins. 



Clayton. 55248. 



3:4: 7-Triinethylcoumarin 

 ,CMe : CMe 



from acetylenic 



C,2H,202 



C6H3Me< 



CO 



Thio- derivative C6H3Me<C 



CMe 



CMe 

 ^0 CS 



Clayton. 55247. [3:4: 7-Trimethyl- 

 couniarin mercurichloride, cobalticya- 

 nide, platiniclilorids, oxime and phenyl- 

 liydrazone. 3:4: 7-Trimethylthiocon- 

 niarin.] 



CYCLOIDS C1.H14O2 



Diethylphthalide CeH,<[^g^>0 



5-Amenu, 5-o\y and 5-azo-derivatives. 

 Bauer. B., 41, (503). 



Ethylmetliylphenopyranol 



/CH : CMe 

 CeH 4< 1 



\0 — CEt(0Hi 



Decker u. Fellenberg. A., 364, i I). 



