Cycloids containing nitrogen. 



1932 



CYCLOID C.Hi N; 



3-Propyl-pyrazoline 



HN.N : C.C3H; 

 jiiid its PHENYL and cai!Ba.m\l derivatives. 

 Maire. Bl., 3, (l'72i. 



CYCLOID CsH.Nj 



Quinazoline- 

 Bogert & Cook. 54588. Synthesis 

 of 6-nitro-2-methyl-4:-ketodihydroquin- 

 a/.olines from 5-nitroacetaiithranil and 

 primary amines. 



& Sell. 54594. 3-Amino- 



quinazoline, and the corresponding 

 o.3'-diquinazolyl, from O-nitroacetan- 

 tliranil and hydrazine hydrate. 



CYCLOIDS C3H3N2 



7-Methylindazole 

 CH3.C6H3/ ! >XH 



Also 5-Methylindazole. 

 Jacobson u. Buber. B., 41, dUiUj. 



Methylbenziminazole 



Diniti'O-oxii-dcrlvatives of J-phesyl-, 

 1-0- and -2>T()i.yL-, I-0-, -?n-, and -p- 



ANISYL-, I-O-, -)/(- and -p-CHLOR0PHEN"YL-, 

 1-p-NITROrHENYL- and l-vJ/-CU.\IYLMETHyL- 



UENZIMINAZOLE, and their salts. 

 Meldola & Hay. 59551. 



CYCLOID CuHinN; 



l-Phenyl-5-methyl-3-pyrazolone 



l-p-BRO.MOPHENYLDERlVATIVE 



and its 4-cHr,oR0, 4-nitroso, 4-amino 



DERIVATIVES. 



Michaelis u. Stiegler. A., 358, (127;. 

 CYCLOID C10H12N2 



1-Phenyl-i-metliyl-pyrazoline 



^,^ CH,.C.CIl3 



^ NPh.N 



and corresponding 1-phenyl-3-ethyl- 



PYRAZOLOSE and l-PHEXYL-3-PROPYI.- 



PYRAZOLINE. 



Maire. Bl., 3, (277). 



CYCLOID C12H10N2 



Dihydroplienazine. 



DlNITRii-HEKIVATIVi: 

 C6H,<|{J>CsH2(N02)2 



Leemann n. Grandmougin. B., 41, 



(13tltj). 



CYCLOID CeHnNa 



Dihydrodiphenylpyrazine 



jj^CH2.CPlw ^- 

 ^^^CPh.CH^:^ 

 Gabriel. B,41, (1127j. 



CYCLOIDS CbHisN, 



2,5-Diliydro--',5-dimethyl-3,n-di- 



phenylpyrazine 



J, .OHMe.CPh^^j^ 

 ^^CPh.CHMe-^^ 



3,G-Diliydro-2,5-dimethyl-3,6-di- 

 phenylpyrazme N<(2j^p,^ (3j^j^>^ 

 Gabriel. B., 41, (1127). 



CYCLOIDS C20H12N 



Asymm a,)8-Naphthazine 



P XT </^N\p TT 



Fiscber u. Straus. B., 41, (397). 

 3-Diphenylene-quinoxaIine 



5,6-DlBROMO COMPOUND 



(10. 12-Dibromophenantlirapheiiazine). 



Jackson & Russe. 57 704. Am., 35, 

 (148,1. 



CYCLOID CzoHisN 



v|'-p-Isopropylphenyl-2,3-naplitho- 



glyoxaline. 



n- Amino derivative 



/ ^i ■ 



t-'ioHex li 



\N(NH2).C.CeH3.C3H, 



•■I 



f 



and its salts. Also the N-BexzylideHB 



DEinvATiVE and its .salts. 



Franzen u. Scheuermann. J. pr., 77, 

 (193). 





