Cycloids containing sulphur. 675 



1920 



CYCLOID CaH40,S 



Thionaphthenequinone 



p-Dl.\IErilYLA.MINO-2-ANU, 



Pumraerer. B., 43, (1370). 

 CYCLOID CgHuiS 



Thiochromane 



\ S — CH, 



Braun. B., 43, (3225). 



CYCLOID CuHhOS 



Thioxanthone 



s<g{;>co 



4-BuOMO DKRIVATIVE. 



Gomberg u. Cane. A., 376, (205). 

 CYCLOID CmH.OjS 



Thioxanthone l-carboxylic acid 



and the amide. 

 Mayer. B., 43, (.584). 



CYCLOID CmHioOS 



2-Methylthioxanthone 



C6H,<Q'j3>CeH3Me 

 Mayer. B., 43. (584). 



CYCLOID CsHioS 



Phenanthroisothiophene 

 Hinsberg. B., 43, (903). 



CYCLOID CieHnO.S 



Tetrahydrodioxy-acenaphthoiso- 



thiophene dicarboxylic acid 

 Hinsberg. B., 43, (U05). 



CYCLOID C,8H,o04S 



Phenanthroisothiophene 

 isocarboxylic acid 

 Hinsberg. J5., 43, (<J02). 



CYCLOID Ci8Hn04S 



3 : -l-Diphenylthiophene 2 : 5-di- 



carboxyUc acid 

 Hinsberg. ]5., 43, (liOlj. 



CYCLOID CsHmS 



Phenylthioxanthene fc^CCell^jzCHPh 



9-Chi.oko derivative S : Cjjllg : CClPh 



and 4-BKOMO and 4 : 9-dichloro 



DEHIVATIVES. 



Gomberg u. Cane. A., 376. (203). 



CYCLOID CisHuOS 



Phenylthioxanthenol 



«<n'H*>CPh.OH 



Gomberg n. Cane. A., 376, (201). 

 CYCLOID C:jHioO,S 



Anthraquinone i ,2-thioxanthone 

 UUmann. B., 43, (539j. 



CYCLOIDS COXTAINING THREE 

 SULPHUR ATOMS. 



CYCLOID C9H4O3S3 



^,3'-Dioxythio-7-pyrone-dithiophene 



(:;4i IS(OHj<H^^>C JI.S(OH) 



and tlie diacetate. 



Apitzsch -d. Kelber. B., 43, (1259). 



CYCLOID C,oH,04S3 



a-SulphydryI-3-carboxethylthio7- 

 pyrone --s'-oxythiophene 



C',IIO,S2(SH)^C02l':tXOH) 

 Apitzsch u. Kelber. B., 43, (1250). 



CYCLOID CnH.oOsSj 



a-Sulphydryl-zs-carboxethyl-thio-y- 

 pyi'one-a'-acetyl-^-oxythiophene 



(';0S,,(C02EtX.SH)(0Il)(C0iMe) 

 Apitzsch u. Kelber. B., 43, (1259). 



CYCLOID CnHnOsSa 



o-Sulphydryl-/3-carbethoxythio-7- 

 pyrone-a'-benzoyl-3-oxythiophene 



C,US2(C02Etj^SH)(Oil)(COPh) 

 Apitzsch 11. Kelber. B., 43, (1259). 



CYCLOID CesH.^OsSj 



^,3'-Dioxy-a,a'-dibenzoylthio-7- 

 pyrone-dithiophene 



C90S3(UH)2(OUPh)2 



Apitzsch n. Kelber. B., 43, (1253). 



CYCLOID C27H240,S3 



^,3'-Dicarboxethyl-a,a'-diphenacyl 

 dithiolthio-7-pyrone 



C50S(C02i-:t)2(s.CH2.cuPh)2 



Apitzsch u. Kelber. B., 43, (1259). 



