Cycloids containing sulphur. 817 



1920 



CYCLOIDS WITH SEVEN OXYGEN 

 ATOMS. 



CYCLOID CieH2207 



Trimethylparaconic anhydride 



(c0<g^[:^^>CMe.C0)20 

 Noyes. Am., 33, (350). 



CYCLOID WITH EIGHT OXYGEN 

 ATOMS. 



CYCLOID CMHeOa 



Ellagic acid 

 /CO.O. 



C6H(OH)2< >CeH(OH)j 



X).CO/ 



Compound with joheuylhydrazine 



CnHg08N2H3Pli, iDonomethyl ether, 



methyl-diacetyl derivative, and 



tetramethyl ether Ci4H2Me408 



Goldschniiedt, G. il., 26, (1139). 



1914 CYCLOID WITH FOUR 

 ATOMS OF OXYGEN IN THE 

 RING. 



CYCLOID CsHizOs 



Hydroquinone bisoxy-acetyl- 

 hydroquinone 



p TT ^O.CHj.CO.O^p TT 



'"«^^^O.CHj.CO.0^'-«^* 

 Bisclioflf u. Frolilicli, E. B., 40, (2790). 



1920 CYCLOIDS CONTAINING 

 SULPHUR. 



Friedlander u. Laske. Amido- 

 thiouaphtenderivate. A., 351, (390). 



FroMich. Syn these unsymmetrisch 

 suhititiiicrter Thianthrene. B., 40, 



(24SIJ). 



Fromm u. Holler. Duplohenzyliden- 

 thioaceton, eiii Korper rail urigewohn- 

 lichen Additionsfiiliigkeiten. B., 40, 

 (2982j. Diss. (HdlleiV Freiburg, 1907. 



Liebig. I )ui)lobenzylidenthioaceton 

 und Oxoniunitheorie. J. pr., 76, (277). 



Mabery & Quayle. 492G8. Sulphur 

 compounds [liydrothioplienes (thio- 

 phanes), C11H211S, and tlieir oxidation 

 products (sulphonea), CHjnSOj] and 

 unsaturated liydrocarbons in Canadian 

 petroleum. 



Mauthner. 49;")00. Pheuoxthin und 

 Naphtoxthiii. (Ungarisch.j 



Molinari e Tomani. 49802. Azione 

 dell'ozono . . . [sul tiofene]. 



Paolini. 50334. Dosamento del 



tiofene. 



Reyctiler. Proprietes de la trithio- 

 formaldehyde et sur un nouveau mode 

 de preparation de I'iodare de trimethvl- 

 sulfonium. BL, 33, ! 1226). 



Rosenberg. 51270. Neuenangen auf 

 dem Thioindigorotgebiet. 



Scholtz. Einwirkung von Schwefel- 

 ammonium auf fettaromatische Ketone. 

 [Thiopheue.] Diss. Freiburg i. Br., 

 1905. 



Seer. Einfiihrung mehrerer Phthal- 

 saurereste in aromatische Verbindungen 

 rmd Darstellung neuer Kiipenfarbstoffe 

 der Anthracenreihe. Diss, techn. Karls- 

 ruhe, 1908. 



Stuchetz. Substituierte Rhodanin- 

 saureu und ihre Aldehydkondensations- 

 produkte. il., 26, (1209). 



Thomas. Quelques derives du thio- 

 phene. C.R., 146, (642). 



CYCLOIDS CONTAINING ONE 

 SULPHUR ATOM. 



CYCLOIDS C5H4O2S 



Thiophenic acid- 

 Voerman. 52953. 52954. o- and j3- 

 thiophenic acid, [preparation, crystallo- 

 graphic investigation, melting-point line 

 and conductivity power of their mix- 

 tures]. (Dutch and English.) 



CYCLOID C7H S 



Thienylpropylene 

 CH2 : CMe.C4H3S 

 Thomas, V. C.R., 146, (642). 



CYCLOID CtHioOS 



Thienyldimethylcarbinol 



C.Me^iOili.LVijS 

 Thomas, V. C.R., 146, (642). 



CYCLOID CtHhS 

 ' Heptyl-thiophane. 

 Mabery & Quayle. 49268. 



CYCLOIDS CiH„;S 



Octyl thiophane and Isoctyl- 

 thiophane. 

 Mabery & Quayle. 49208. 



