1910 



1910 



CYCLOID C Hi Os 



Lactonic acid CJlsOsCl 



CHj . CH . CO . CH2 

 Methijl and ethyl esters and their 

 semicarhazones 

 HaUer, A., et Majch, F. Paris, C.-R. 

 Acad, sci., 136, 1903, (431-436). 



CYCLOID Cv Hi.O. 



Hydroquinonephthalem 





Ceir. 







>co 



Derivatives. 



Meyer, Richard und Spengler, 0. 

 Eerlin, Ber. D. chem. (ies., 36, 1903, 

 (2949-2907). 



CYCLOID C,3H,405 



Acetonyl-meconin 



ACETON Y L-N IT ROM KCON IX 



The ox'tme, phenyllnjdrazoiie and sem't- 



■arbazone and its reduction products — 



quinaldine derivatives. 



Book, G. Berlin, Ber. D. chem. (ies., 

 36, 1003, (220R-2'2ir,y 



CYCLOID CH.cOs 



Tetraoxybrazane 



[Tetraoxyphenylei oiaphnthalene oxide] 



and its tetraacetoxy and tetr.\metuoxy 



DERIVATIVES, also the corresponding 



TRIOXTBRAZ.iNE C16H10O4 



• KostanecM, St. von und Lloyd, L. 



B.-rlin, Ber. D. chem. G,-<.. 36, 1903, 

 2193-210'.). 



CYCLOID CieHi.Os 



T-0xy-2-pheuyM.4 benzopyranol 

 l-carboxylic acid 



0,H3(0H)<--'j;-^^^^j>0H 



and its ethyl ether and acetyl 

 derivatives. 

 Billow, C. und Wagner, H. Berlin, 

 ■Ai-Y. L'. cbem. (.cs., 36, 1903, (1941- 



10.5.3'. 



CYCLOID C, H, O5 



Dimethyldiphenyloxidoglutaric 

 acid 

 Q^CPh . COjH 



CPh . CMej . COjH 

 Japp, F. 1{. and Michie, A. C. [oa- 

 'iinetliyl-a'j8-di])henyl-a'/3-oxidoglutaric 

 icid, and its salts and anhydride ; also 

 ;iie action of lieat, phenylliydrazine, 

 ii-etic anhydride, dilute sul|)huric acid, 

 md hydriodic acid on it. J London, J. 

 I'liem. Soc, 83, 1903, (30(i-313); [ab- 

 stract]. Proc. Chem. Soc., 19, 1903, 



' :d-3182) 



CYCLOID Cv.HnOs 



Diphenyldioxybenzopyranole 



2-Phenyl-i:(3,5-dimethoxy)phenyl-5,7- 

 dioxy-i,4rbenzopyranole, C23H18O5 



Anhydrotetraoxydiphenylbenzo- 

 pyranole 



CO . C(OHj : C . U CPh 



CH : CH . C : C(C6H3(OH)2) . CH 



DlMETHOXY DERIVATIVE 



Bulow, C. und Riess, G. Berlin, Ber. 

 D. chem. Ges., 36, 1903, (3607-3610). 



CYCLOIDS CONTAINIXG SIX 

 OXYGEN ATOMS. 



CYCLOID CsHioO, 



Chitonic acid 

 CH(OH) . CH(C02H) ^Q 

 CH(OH) . CHCCHjOH) 

 The calcium salt (C6H90fi)2Ca + 2H20 

 Fisclier, E. imd Andreae, E. Berlin, 

 Ber. D. chem. Ges., 36. 1003, ^2-187- 

 2592). 



CYCLOID C„H Og 



Dimethylpyrone dicarboxyJic acid 



Ethyl ester 



CMe : C(C02Et)^p,. 

 ^^CMe : C(C02Et)>'^'-' 



Palazzo, Carlo. [Scissione dell'] etc.c 

 (limctilpirondicarbonico [per opera] dell'- 

 idrossilannnina . . . [con formazione di 

 un composto CgllgNOs]. Roma, Rem!. 

 Ace. Liucei, CSer. 5) 11, 1° Sem., 1002 

 (562-565). 



[Scissions dell'] efero di- 



nietilpiroudicarbonico [per opera] dell'- 

 idrnssilammina . . . Roma. Rend. .\cc. 

 Lincei, iSer. 5), 11, 1° Sem., 1902, (562- 

 565). 



3 B 



