1930 ' 



CYCLOID CvoHuO.N, 



Tetramethoxy-indigo. 



Hayduck, 1^". liurlin, Ber. D. cliem. 

 Ges, 36. 1903,(2930-2936). 



CYCLOID CzsHuOjN; 



Rosindonic ami Isorosindonic acids 

 Fischer, O. Berlin, Ber. D. chem. 

 Ges., 36, 1903, (3622-3C20). 



CYCLOID C mHisON, 



t. l-Benzoylmethylene-l, '>-diliydi'o- 

 '., 6-diphenylpyiidazme 



/CH.CPh:X 

 BzCH< I 



\ CH . CPh : X 

 Paal, { '. uml Scliiilze, H. Berlin, Ber. 

 ]). c-hem. Ges., 36, 1903, (2425-2430). 



CYCLOID C24H20ON2 



1-Benzhydryl- i-benzylidene-3- 

 methylpyrazolone 



A = CMe 

 Darapsky, A. J. prakt. Chem., Leip- 

 zig (X.F.), 67, 1903, (112-1.36, 164- 



CYCLOID CsHaoOaNz 



rilENYU'YRAZOLF OF r.ENZoyU'HEXYLKETO- 

 PENTAMETHYLENE CARUOXVLIC ACID 



Methyl ester Q^U^oO^K^ 

 Stobbe, H. undWerdermann.A. Lie- 

 bigs Ann. Chem., Leipzig, 326, 1903, 

 (371-379). 



CYCLOID CsH^.O.N, 



;„ ^., CU.CPh.O- 



XPh . CPh . CMe2 

 Japp, Pt. and Michie, A. C. [Coni- 

 lX)und formed liy the action of phenyl- 

 hydrazine on dimethyldiphenyloxidoglu- 

 taric acid.] London, J. Chem. Soc, 83. 

 1903,(307). 



CYCLOID C25H24O3N2 



.r. ('Pli.\<(()lI.).CPli.XPh 

 Cil.Me.CG' 



>XI£ 



Japp, F. R. and Michie, A. C. [Com- 

 liuund obtained by tiie action of phenyl- 

 hydrazine on 7-aceto-o-niethyl-37-di- 

 piienvl-)37-o.\idol)titvric acid.] London, 

 J. Chem. Soc, 83, 1903,(296). 



7 19301 



CYCLOID CisH^.O^N 



Phenyl-cetyl-hydantoin 



.,Q XPh CH, 



^N(C,eH33).CO 

 Frerichs, G. und Breustedt, G. A. 

 prakt. Chem., Leipzig, (N.F.s 66, 11102, 

 (231-2C1). 



CYCLOID C25H40O3N2 



/'-Oxyphenyl-cetyl-hydantoin. 



Ethyl i-;tiier 



C6H4(OEt)X<^^2 • 9*^ 



Frerichs, G. imd Breustedt, G. Jl 



prakt. Chem., Leipzitr, 'X.F.), 66, 1902, 

 (231-201). 



CYCLOID CicHrO^Nj 



0-, 7)1- and ;>-Tolyl-cetyl-hydantoiiL 

 ..Q^XiCH,) .CH2 

 ^X(C,6H33) . CO 



Frerichs, G. \mA Breustedt, G. J. 



prakt. Chem., Leipzig, fX.F.), 66, 1902.. 

 (231-261). 



CYCLOID Cj.Hi.O^N. 



Indanthrene 



{Azine of antliraqu'nionc) 



N 



CuH60,< I >ChH60, 



N 



Kaufler, F. Berlin, Ber. D. chem. 

 Ges., 36, 1903, (9.30-933). 



CYCLOID C2cHi,04N2 



Dihydro -indanthrene 



lC6H.<^,^VCeH2)2N2lI, 



(y^-Dihydro-l, 2, 2', I'-aTithraqu'niom^ 

 azine) and its 4-ciiloro, 4-amino and 



4-ANII.IDO DERIVATIVES and the SLLI'nATE. 



SchoU, Roland. Berlin, Ber. D. chem. 

 Ges., 36, 1903, (3410-3426). Bcrichti- 

 gnng. Eben.la, 36, 1903, (37101 



nnd Berblinger, Hans. 



Berlin, Ber. I), chem. Ges., 36, 19ii:'.. 

 (3127-344;-)). 



