1930 



rni 



1930 



CYCLOID C4H4Nj 



Pyridazine CH<gg;^>N 



Marquis, R. Paris, O.-R. Acad. ( 

 136, J:iO:3, (368-370). 



CYCLOID CjHfN. 



Methylpyrazole 



4-ME™YI.-.")-ArKT(il'yRA/.nLK 



,CMe : CH 

 'X . NH 



also the 5-cARBOXYLic acid and its estehs. 

 Klages, A. und Rbnneburg, A. Berlin, 

 T5er. L). cliem. (les., 36, 1903, (1128- 

 113:?). 



MeCO.C<. 



CYCLOID C.HNj 



(■'))-Methylpyrazoline 



madik, J. Ueber die Darstellung 

 des Crotonaldazins und dessen Umlage- 

 rung iu (5)-Metlivlpyrazolin. Wien, 

 Monllfte dieni., 24, 1003. (431-414). 



CYCLOID C4H10N2 



Piperazine 



Tf.TI; VMETlIYI.I'irERAZlSHM IdDIDES 



CgH, 0X21-2 •11"^ CgHjoNJjo 



Stromholm, D. J. prakt. Clieni., 

 Leipzig, (X.F.), 67, 1903, (315-35(3). 



CYCLOIDS C H3N, 



Methylethylaziethane 



:X 



CMe<J^^>N 



Diels, (). und vom Dorp, A. lUrlin, 

 ]!er. 1). ehem. Gea., 36, 1903, (3183- 

 3190) 



1, 4-Dimethylpyrazole 



1 , 4-l)lME niYL - 3 - AlETl U'Y if A/.uEE 

 O-CARBOXYLIC ACID 



XMe . >^ 

 and its ester. 

 Klages, A. luid Eonneberg, A. Ber- 

 lin, Ber. 1). c-!.e:n, Lies., 36, 1903, 

 (lU'8-113:?). 



1 , 3 Dimethylpyrazole 



lie . CMe^ 

 Jowett, H. A. D. and Potter, C. E. 



Picparation and properties of . . . 

 1 : 3-diniethylpyrazole. [Its salts and 

 ils oxidation.] London, J. Chem. iSoc., 

 83, 1903, (464-470); [Abstract] I'roc. 

 Chem. Soc, 19, 1903, (56). 



1, 2-Dimethylglyoxaline 

 CH.XMe 

 CH— N>^-''^ 

 Jowett, H. A. D. and Potter, C. 1".. 

 London, J. Chcni. Soc, 83, 1903, (46 1 

 470); [Abstract] Proc. Chem. Soc., 19, 

 1903, (50). 



1, 4 (or 1, 5)-Diinethy]glyoxaline 



MeC — N^^,^^ McG.XMc- .„ 

 IIC.XMe>^^^ ^'^ IK3-N>^'^ 

 Jowett, H. A. D. [1:4 (or 1 : 5)- 

 I'iniethylglyoxaliiie from the decciu- 

 position of 7.soi3ilocarpine ; also its salts 

 and its oxidation.] London, J. Chem. 

 Soc, 83, 1903, (438-464); [Abstract] 

 Proc. Chem. Soc, 19, 1903, (54-56). 



and Potter, C. E. Prepara- 

 tion and properties of 1:4 (or 

 1 : 5)-dimethylglyoxaIine . . . [Its 

 salts and its oxidation.] London, J. 

 Chem. Soc, 83, 1903, (464-470); 

 FAbstract] Proc Chem. Soc, 19, 1903, 

 (56). 



CYCLOID CiHioNj 



M-Methyl-tetrahydropyrimidine. 



{Kllienijnr'nnelJnjIciieJiamineK 



(CK2)3<\-H>C^fe 



Haga, und Majima, R. Berlin, Bcr. 

 1>. chem. Ces., 36, 1903, (333-339). 



CYCLOID CsH, N2 



Dimethylpyrazolidine 

 ,CH.\Ie . XH 

 ^CHMe . XH 

 and its seij'IIATE, picrate and benzoyl 



COlirOVND. 



Tafel, J. und Pfeffermann, E. Ber- 

 lin, Bcr. D. chem. Ges., 36, 1903, (219- 



i24). 



CIL<^ 



