Cycloids containing nitrogen. 



U23 



1930 



CYCLOID C14H12ON2 



0-Indazylbenzyl alcohol 



C6H,<^ >N.CeH,.CH,OH 

 CH 



Freundler, P. Paris, C.-R. Acad, sci., 

 138, 1901, (1276-1278) ; Paris, Bui. soc. 

 chilli., (ser. 3j, 31, 1904, (868-876). 



Acetyl derivative. 



Freundler, P. Paris, C.-R. Acad. sci. 

 138, 1904, (1420-1427J. 



Indazyl-bexzyl methyl etuer 

 C6H4<9^>N.CeH,.CH,OMe [1 : 2] 



Freu dler, P. Paris, C.-R. Acad, sci., 

 137, 1903, (521-523). 



CYCLOID Ci.HuO N, 



CYCLOID ChHhONz 



3-Phenyl-tetrahydroquinazoline 



^ „ .NH.CH.OH 



06ll4<. 



CH2NPI1 



Dibenzoijl derivative. 



Heller, G. Berlin, Ber. D. cliem. Ges. 

 37, 1904,(3112-3119). 



CYCLOIDS CbHijON, 



1 , -j-Diphenyl-S-pyrazolone 



NPh.XII 



CPh.CH 



>C0 



Japp, F. R. and Maitland, W. 

 [Formation of 1 : 5-diphenyl-3-pyrazolone 

 and its acet^d derivative.] London, J. 

 Chem. Soc.,' 85, 1904, (1490-1496) ; 

 [abstract] London, Proc. Chem. Soc, 20, 

 1904, (205). 



1, 3-Diphenyl-5-pyrazolone 



S-S-DlNlTliOl'HKNVL UKKIVATIVE. 



Berend, L. uud Haymann, F. J. 

 prakt. Chem., Leipzig, (N.F.\ 69, 1904, 

 (449-473). 



CYCLOID C, HmON, 



Carbonyl-o-tolidine 

 C.H,NH 

 CjHe.NH 



Taussig, P. C. Wien, HonHfte Chem., 

 25, 1901, (375-390). 



>C0 



Diphenyloxypyrazolidone 



NPh NIL 



CHPh.CH(OH) ■ 



Japp, F. R. und Maitland, W. 

 [1:5- Diplieiiyl- 4 - hydroxy- 3 -pyrazoli- 

 done, and its sodium salt and diacetyl 

 derivative ; also its dehydration.] Lon- 

 don, J. Chem. Soc, 85, 1904, (1490- 

 1496); [abstract] London, Proc. Chem. 

 Soc, 20. 1904, (205). 



CYCLOID C15H20O3N2 



Leucine tyrosine anhydride 



C4H„CH<5h|,5?>^'^'^'^2-^'6^4-OH 



Fischer, E. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (2486-2511). 



CYCLOID CisHit.O.N, 



Indigo. 



Bergner, Hans. Uebcr Indigo. AI- 

 kohol, Berlin, 13, 1903, (338, 340j. 



Binz, A. und Walter, A. Leber die 

 Addition von Alkali an Indigkarmin. 

 Chem. Ind., Berlin, 26, 1903, (248-253). 



Zur Kenntnis der Indi- 



goreduktion. 6. Mitt. Zs. angew. 

 Chem., Berlin, 17, 1904, (40-41). 



Bucherer, H. Zur Kenntnis der 

 Zink-Kalk-Kiipe. [Indigo]. Zs. Far- 

 benchem., Sorau, 3, 1904, (24-25). 



Hayduck, Fritz. Ueber Versuche zur 

 Darstellung eines Tetraoxyindigos. Diss. 

 Berlin (Druck v. E. Ebering), 1904, (75). 

 22 cm. 



Hazewinkel, J. et Wilbrink, G. 



[Reclierches snr I'indican et ses derives.] 

 (Hollandais) Buitenzorg, Meded. Plant., 

 73, 1904, (1-135). 



Heller, Gustav. Ueber die Farb- 

 stoffnatur des Indigos. Zs. Farben- 

 chem., Braunschweig, 2, 1903, (309-310). 



Ueber eine Verbindung 



des Formaldehyds niit deni Indigo. Zs. 

 Farbenchem., Braunscliweig, 2, 1903, 

 (329-332). 



Jorrissen, W. P. und Reicher, L. Tli. 

 Ueber die SVirkung der Oxalsiiure beim 

 Atzen des Indigos. Zs. Farbenchem., 

 Braunschweig, 2, 1903, (157-160). 



