Cycloids containing nitrogen. 



(75 



1931 



CYCLOIDS WITH OXE XITROGEN 

 ATOM AND OXYGEN. 



CYCLOID C4H50:N 



•i-Keto->pyrrolidone. 



4-CYAXO ItEltlVATIVE. 



Senary. B., 41, :2399). 



CYCLOIDS C5H5ON 



Pyiidone. 



.5-BEXZENEAZO-2-PYRIDONE 



CgHs.X^.CsH.ON 

 5-Amino-2-pyridon'e. Benzoyl derivaticc. 

 Mills & Widdows. 59725. 



Oxypyridine. 



2-Oxy-5-AilIN-OrYI!IDINE NH2.C5H3N.OH 



^-Benzoylamino-2-pijridiil benzoate 



XHBz.C5H3N.OBz 



and hi suxijpyvidijl carbamide 



COfNH.CsHjX.OH^ 



Mills & Widdows. 59725. 



CYCLOID C5H5O N 



Dioxypyridine. 



DiCHLOKO-DF.RIVATlVE and DIETHYL ETHEIJ, 



and the dieldoro- and dibromo-derivatircs 

 of the latter. 



Sell. 6189.3. 



CYCLOID CsH.OaN 



a and /3- 7-Oxyproline- 



PUENYLISOCYAXATE and HYDAXTOIN 

 DERIVATIVES. 



Leuchs u. Falser. B.. 41, 1720). 

 CYCLOIDS C H,0 N 



Nicotinic acid- 



6-ChL0R0NIC0TINAM1DE XH2.CO.C5H3XCI 



MlUs & Widdows. 59725. 

 Picolinic acid C5H4X.CO2H 



3 : 5-DiriiL(;)Rn-DE[tivATivE and its methyl 

 ester and amide. 



Sell. G2S92. 



CYCLOID C HiOjN 



Oxynicotinic acid CO2H.C5H3N.OH 



EtIITL ESTER, IIYDRAZIDE and AZIDE. 



Mills & Widdows. 59725. 



CYCLOID CcH,ON 



l-Oxy-2, 5.dimethylpyrrole. 



3-NlTRO.SO DEUTVATIVES 



Q^^^CMe : CH 

 ' Cile . C : XOH 

 Angeli e Marclietti. 5. "58 28. 



CYCLOID CeHnON 



Leucine anhydride 

 rCHMe2.CH2.CH<^|^ 1 



Leuchs 11. Geiger. B., 41, (1721). 



CYCLOID C HiiOsN 



a and /S-N-Methyl-yoxyproline 



-^-^'®^CHiC02H).CH2-^ 

 Leucts u. Felser. B., 41, (1720). 



CYCLOID C7H9ON 



2, 4-Diinethyl-ti- oxypyridine 



O-CyANO-DEKI VATI \'e. 



. Meyer, E. v. J. pr., 78, (497). 

 CYCLOID CtHisON 



Oxvetliylpiperidine 

 CsHio^'.CH^.CHjOH 



Benzoyl derivative and its hydrochlo- 

 ride, hydrobromide, aiirichloridc. picrate 

 and methobromidc. .Also the piithaloyl 

 DERIVATIVE and its liydrochloride, hydro- 

 bromide, nitrate, platinichloride and 

 picrate. 



Pyman. G082-4. 



CYCLOID CsHsOiN 



Isatin- 



AinXOPHENYLCYAS AMIDE CO.MPOUND 



X<^'1*^"VC : X,Ph.CN 

 RoUa. G., 37, i, (023). 



CYCLOID CaHsOjN 



1-Oxyisatin ^"6ll4<N(0H)-^^^ 



Also 1-OXYI.SATOXlME aud 1-METllOSY 

 ISATOXIME. 



Reissert. B., 41, (3921). 



CO 

 Isatoic acid <^"oH4< ■ ^^ .^ 

 X.CO2H 



Mohr, E. 59760. Isatosauieanhydrid. 



