1930 



02C Cycloids containing nitrogen. 



>NPL 



CYCLOIDS CioHioNzS 



] Phenyl-5-sulphydro-3-methyl- 

 pyrazoline 



CH : C(SH;, 



CMe : N 



Michaelis, A. und Pander, R. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (2774- 

 2775j. 



Homopseudothiopyrine 



{\Phenyl-5-thiomethiilpyrazoJp.) 

 C(SMe)':CH 



^N CIR 



Michaelis, A. Liebigs Ann. Chem., 

 Leipzig, 331, 1904, (197-244). 



4-Thioketo-2-ethyl-dihydro- 

 quinazoline 



N:CEt 



Bogert, M. T., Breneman, H. C. and 

 Hand, \V. F. J. Amer. Chem. Soc, 

 Easton, Pa., 25, 1003, (372-380). 



CYCLOIDS CnHi:N:S 



Thiopyrine v. 1040 

 Pseudothiopyrine 



,C,SMej : CH 



Pseudomethylthiopyrine 



,C(SMe) : CMe 



PhN< 



N: 



iCAle 



{1-Phenyl-S-metliyJ-o-thiomethylpyrazoIe) 



and its alkyl iodides, sulphone, i-hromo 



and nilro-derivat'tves. 



Michaelis, A. Liebigs Ann. Chem., 

 Leipzig, 331, 1004, (197-244). 



4-Thioketo-2-)i-propyl-diliydro- 

 quinazoline 



N : C.C3H, 



and tlie isomeric isni'iiui'Vi-coMrouND. 



Bogert, M. T., Breneman, H. C. and 

 Hand, W. F. J. Amer. Cliem. Soc, 

 Easton, Pa., 25, 1903, (372-380). 



CYCLOIDS CijHhNsS 



Ethylpseudothiopyrine 



(l-PhenyJ-S-metli ijl-'i-Oi loethylpyrarcole) 

 C(SEt):CH 

 - ^X=CMe 

 and isoruop\'L, isoBuTYL, allyl 



and liENZYIPSEfPOTHIOPYRINES. 



Michaelis, A. Liebigs Ann. Chem., 

 Leipzig, 331, 1904, (197-244). 



NPh< 



N 



,CMe 



{l-Plicnyl-o, i-dimethyl-5-thiomethyl- 

 pyrazole.) 



Michaelis, A. Liebigs Ann. Chem. 

 Leipzig, 331, 1904, (107-244). 



CYCLOID CuHuNvS 



Pseudoethylmethylthiopyrine 

 ,C(SEt) : CMe 



NPh< 



■N: 



:CMe 



' l-Phenyl-3, i-dimethyl-5-th'ioetJiyl- 

 pyrazole.) 



Michaelis, [A.]. Liebigs Ann. Chem. 

 Leipzig, 331, 1904, (197-244). 



CYCLOIDS WITH TWO NITROGEN 

 ATOMS, OXYGEN, AND SULPHUR. 



CYCLOID C3H40N,S. 



Pseudothiohydantoin. 



Wheeler, Henry L. and Jamieson, 

 George S. On some aldehyde condensa- 

 tion products of arylpseudothiohydan- 

 toins. J. Amer. Chem. Soc, Easton, 

 Pa., 25, 1903, (366-371). 



CYCLOIDS C4H4ON2S 



O-Oxy-2-thiopyrimidine 



(2-thioiir(tcil) 



cs4S:cS>c^H 



4-AmINO and 4, 5-DIAMIKO-DERIVATIVEf!. 



Traube, \V. Liebigs Ann. Chem. 

 Leipzig, 331, 1904, (64-88). 



O-Oxy-2-sulphydro-pyrimidine 



Diethyl ether 

 ..^C(SEt) : N^pg 

 -^^C(OEt).CH^'"^ 



and the ij-Bromo derivative of the 

 ethyl ether. 



Wheeler, H. L. and Johnson, T. B. 

 Amer. Chem. J., Baltimore, Md., 31, 

 1904, (591-606). 



