Cycloids containing nitrogen. 684 



1931 



CYCLOID ChHuO^N 



1 : 2 : 3 : l-Tetrahydroaciidine 

 H»-carboxylic acid 



C'eII.<^';^1^>Cslle 



Saltn (ind KKtcri<. 

 Borsche. A , 377, (lOH). 



CYCLOID C,.,H,!,ON 



]2-0xy-i<)methyl-i : 2 : 3 : 4-tetra- 

 hydroacridine 



H().C'eir3<^!^''>CeHe 

 Borsche. A , 377, (S9). 



CYCLOID CmHitON 



Isoamyl- quinolone 

 N(CsH,.).CO 



' *^cn =r c'lT 



Bogert & May. Am. Soc., 31, (507). 

 CYCLOIDS ChHisO^N 



3-Methyl-i : -' : '5 : l-tetrahydroacri- 

 dine lO-carboxylic acid 



i' Metliyl-1 : 2 : 3 : I tetrahydi'o- 



acridine lO-carboxylic acid 

 Borsche. A, 377, (1 17). 

 «;8-Pentamethylenecinchonic acid 



^ r(C'(.,ll):CAJl,.Cll 



' ' X C.CH^.CII; 



Borsche. A, 377, (122). 



CYCLOID CsHitON 



l2-0xy-3 : ]()-dimethyl-i : 2 .- 3 : -l- 

 tetrahydroacridine 



Borsche. A, 377, i'JDl 



CYCLOID CieHisON 



2-Keto-i : r)-diphenylpyiToline 



,CPli:Crii 



cir/ I 



[Additive compounds with plieiiylmer- 



captan and jupeiidinp, and 3-benzoyl- 



ainino-3-hydioxy- and 3 : 3-bishydroxy- 



phenyl-derivatives.] 



Ruhemann. 79713. 



CYCLOID CifHiOM 



i 2-Acetophenyldihydroisoindole 



C\H4<Jl{|j>N('6H4.COMe 

 and the compomnh u- th aldehydes. 

 Scholtz n. Wolfrum. B., 43, (2304). 



CYCLOID C, HijOjN 



i-Phenyl-'' methyl- J -benzylideiie- 

 pyrazolone "-carboxylic acid 



CMe = N 

 C(CHPh).C()' 

 MichaeUs. A, 373, (108). 



>Cell3.C0,H 



CYCLOID C:,H,70N 



f^-Oxy-'> phenyl -methyl- 

 dihydroacridine 



lIO.Cen3<(.'^,','>,,>C6H,Me 

 Pope A- Howard. 70132. 



CYCLOID Co.HnOjN 



Anthraquinone 2,1-acridone 

 Xnimann H.,43, •')3C>}. 



CYCLOID C,,H,;0,N 



Benzhydrylisatin 

 Tetuametiiyldi.amino derivative 



(X.Me,.CenO.CH.Cell3<5n>CO 



Reitzeastein n. Breuning. .\., 372, 

 (278). 



CYCLOIDS C.:H,;O.N 



Diphenyl-" and i' methylisatiii- 

 methane 



Tetramet}ujldiami)w covipouiid. 

 (NMe2.C6H4)2ClI.CcH,Me<^,2>CO 



Reitzenstein n. Breuning'. A., 372, 



(275). 



CYCLOID C:;H,;ON 



10 : Oxy-7-phenyldihydro-a/8-pheno- 

 naphthacridine 



HO.CeHj <Qt]pj,>t'ioH6 



Pope & Howard. 



r9133. 



