Cycloids containing nitrogen. 719 



1932 



of iiietlivl iodide and of benzyl chlojide 

 u])oii 2-oxy-4-inetl)yl-0-metiiylinercapto- 

 pyriinidiiie. 



WiUgerodt. 9I2l>y. Method for 

 quantitative deteruiinatioii of Piperazine 

 in effervescent salts, etc. 



WindauB u. Opitz, 91252 ; Opitz, 

 SSiaS. Syuthesen eini^er Iinidazol- 

 Derivate. 



WislicenuB u. Gog. 91286. Um- 

 wandiung der Nitro- in die Keto- 

 Gruppe. 



Zincke u. Weisspfenning. 91503. 

 1, 3, 1, f) - L>iiiiti-opiienyldipyridiniuni- 

 chloiid und 1, 3, 0, J:-l)iaitro;uuidopyri- 

 diuiuuichlorid. 91504: Einwirkiing von 

 Schwefehvasserstoff auf Dinitrophenyl- 

 pyridiniiun- und dipyridiniumchlorid. 



SPECIAL. 

 CYCLOID C4H6N2 



."i-Methylpyrazole. 

 Viguier. C.R., 152, ( 1-192). 



CYCLOID CH^N; 



5-Methylpyrimidine 



2-MEniVI..\\llNU-5-METIIVI.lYKl.\IlDINE 



'"^^C H C.Me>^^ 



and its G-chluro derivative. Also the 



corresponding C)-c]iloro-2-methylamino- 



■i-iitethylpyyimidine. 



Johnson & Mackenzie. Am., 42, 

 (353,'. 



CYCLOID CoHeNz 



Naphthyridine C5NH3 : C3NH3 

 Palazzo e Tambnrmi. 88277. Sinteai 

 di derivati dell'l.S-naftiridina dall'a- 

 amino-piridina. 



CYCLOID CHi N2 



1-Plienylpyrazole 



5-Chloro, 4 ; 5-dichloro, 3 : -4 : 5-tTicliloro 

 derivatives. Wno 3: 5-debromo and 



3:4: 't-tribromo-derivativeg. 

 MichaeUs. A., 385, (51). 



CYCLOIDS CHioNi 



1-Phenylpyrazolone 



5-.4»!i/((io compound. 

 Michaelis. A., 385, (33;. 

 ''D-9234) 



2 : 0-Dimethylbenzimidazole 



C,ll3.Me<,;>jj^CL\]e 



5-Nilro and ')-ami iio-derlvative. 



Maron u. Salzberg. H., 44, (3002,1. 



CYCLOID CoH.oNj 



1 -Phenyl-2-metliyIpyrazole 



2 : 5-.l?n7o coniijonnd. 

 Michaelis. A., 385, (57). 



CYCLOID C„,H„N: 



1 -Phenyl-' ;-metliyIpyraz clone 

 5-Anilo compound 



NPh4^;>CH, 



and its i-amino and isonitroHO deriva. 



lives. 

 ■ Michaelis. A., 385, (11). 



5-T0Li:iDO COMPOUND 



4-.4))(/)io and otiicr derivatives. 

 Michaelis. A.. 385, (35). 



CYCLOID Cu.H,«N2 



Dihydrohexamethylpyrazine 



Gabriel. 



^C.\le .CMej 

 -Cile^.CMe 

 B.. 44, (01;. 



CYCLOID Ch.HosN, 



Hexamethylpiperazine. 

 Gabriel. H., 44, (67;. 



CYCLOID C,:H,:Nj 



l-Plienyl--'-ethyl-pyi'azole 

 2: 5-.4/u7o cjmpoiuid. 

 Michaelis. A., 385, (60). 



CYCLOID CuHhN, 



l-Tolyl-3-methylpyrazolone 



5-.-inilino compound. 

 MichaeUs. A., 385, (41). 



CYCLOID CjHsN, 



PhenazineCgHX J5>c, H« 



Double compounds with quinol, 

 resorciiiol and pyrocatechol. 



Zerewltmoff u. Ostromisslensky 



44, (2107;. 



3 A 



