Mixed Cycloids. 



674 



1912 



CYCLOID C2oH,605 



/8 Oxy-)3-piperonyl---propionyl- 



n naphthol (I'-Nniio-DKiiivATivr. 



( '1 ],( ), : CgHaf N'()2).C;Hf 0II).0H2.C!0. 



Torrey & Cardarelli. Am. Soc, 32, 

 (1477). 



CYCLOID CriHieOj 



Piperonylidenedesoxybenzoin 



Cni^rO^ rCellj.Cll : (M'li.CO.Ph 

 Stobbe u. Wilson. A., 374, (285j. 



CYCLOID C v,H,a04 



Oxypiperonyldesoxybenzoin 



(•JI,:U2:C6H3.CIl(011).CIIPliBz 

 Etuf.i, ether 

 stobbe u. Wilson. A,, 374, (1'81). 



CYCLOID C2flHu07 



Anthraquinonefluorescein 



Willgerodt u. Mafifezzoli. ,1- in., 82, 



1920 CYCLOIDS CONTAINING 

 SULPHUR. 



Benary. 73183. Schwefellialtige 

 Dei-i vale des Cliloracetyl-Cyanessigester. 



Braun. 73088. Cyclische Sulfide. 



Coulthard. 74250. Alerkaptiuie der 

 Antlirachinonreihe. 



Davis & Smiles. 74390. New syn- 

 theses of tliio.xanthone and its 

 derivatives. 



Fromm. 75204. Duplobenzj'lideii- 

 tliioaceton. 



Gassmann. 75327. Derives des 



safraniues. 



Gattermann. 75331. Merkaptaue 



des Aiithracliinons imd eine neue 



Klasse sclnvefelhaltiger Farbstoffe 

 (DisiilfidfarbstofTe). 



Gossling. 75494. Teclinische Dar- 

 stellung des Thioiudigo. 



Gomberg n. Cone. 75518. Chino- 

 carboiiiuiusalze. 



Hilditch & Smiles. 7G171. Intra- 

 molecular rearrangements of diphenyl- 

 metliane orthosulphoxide. 



Lambrecht. 77230. Geschwefelte 

 Abkomndinge des Beiizylidenaceto- 

 phenons. 



Lanfry. 77243. Un nouveau com- 

 pose tliiopiienique CioH5S2 



Purvis. 79249. Absorption spectrum 

 of tliioplien. 



Schorigfin. 80093. Neue Syntiiese 

 aromatischer Carbonsiiuren aus deu 

 Kohleiiwasserstoffen. 



Smiles. 80387. New syntheses of 

 thioxanthone and its derivatives. 



CYCLOIDS C0XTA1N1^X; ONE 

 SULPHUR ATOM. 



CYCLOID C4H4O2S 



2 : 4-Diketotetrahydrothiophene 



3-Cyano derivative 

 /C(OH) : C.CN 



cir./ I 



\S CO 



and derivatives. 

 Benary. 15., 43, (1943). 



CYCLOID C4H6OS 



4 - Ketotetrahydrothiophene 



2-lMiNO derivative 



/C(OHj : CII 

 CH,( I 



^S C:NII 



and its 2>-am'nw and isojiitroao 

 compotindfi. 

 Benary. B.. 43, (1943). 



CYCLOID C4H S 



T etrahy drothiophene 



(CIT^)^^ 

 Braun u. Triimpler. P>., 43, (545). 



CYCLOIDS CsHuS 



a-Methyltetrahydrothiophene 

 CII2.CII2— \ 

 I >s 



Braun. B., 43, (3220). 



Pentamethylene sulphide 



(CH2)5>S 

 Braun u. Triimpler. 15., 43, (545). 



CYCLOID CsHeOaS 



3-Oxy-4-methyltliiophene 

 5-carboxylic acid 

 Hinsberg. 15., 43, i905). 



