193J 



CYCLOID C H, N 

 '" -P.ieiiylhydro-3-napli',a:rid:n2 



niso the ], ;in(l ,n Nir.td 1ii:I!IV-\t;\ ;;s. 

 Haase. (). IVrlin, lier. I), clje 

 (ii's.,36. ]'j:);!, (5'J|-;VJI;. 



CYCLOIUS Wll'fl O.W; A777.'Or,7;.V 



ATOM AM) ()Xy<;/:.\. 



C7CL9ID CHOI 



Pyridone 



Alinornial salts, such as (C'JT^OXjJK 1 



Petranko-Krit^chBnko, P. mid Stamo- 

 gen, Th. J. prakt. Cliem., J.,>i|,/i.., 

 (X.K), 67, \<,m, (■)') -IS). 



CYCLOID C H ON 



i-Oxypyridine 

 Triciii.(ii;o-oxy-1'vridink 



Csii,0Nci3;.c.c(()HKgg{-[;fjJ>x 



SeU, W. J. and Dootson, F. \V. 

 [Foniiatiou of 2:3: 5-trichloio-4-livdr- 

 oxypyridiiie from 2:3:4: S-tetrafliloio- 

 ])yridiiie and from 2 : 3 : 5-tricliloro-l- 

 amiiinpyridino.] Londcjii, J. Cliciii. Sof., 

 83, I'.IO.l, ! lOi) Joij. 



CYCLOID C H.OvN 



Pyrrole - carboxylic acid 



and its lienzaldcliyd-' derivative 

 Piccininl, A. «• Salmoni, L. (U\//.. 

 fliini. ilal., I'al.riiid, 32, i art.' i, ]'Mf' 



2I(; 2;-;3;. 



1-Pyi'ryicarbamic acid 



Km VI, i:sTi;i! (^N'lF^ . C(),Kt 

 Piccinini, A. c Salmoui, T.. (la/z. 

 'Iniii. ilal.. Pal, Tin.., 32, part.- i, l',)()2, 



CYCLOID C H ,0 N 



a Pyrrolidine carboxylic acid 

 TH,, .('II., .\1[ 



rW; .cil ^('oji 



Willatatter, I?. Licl)i;,s Ann ( 'li.-i 

 .ij./i.L', 326, H)(t3, (1-J2.SJ. 

 ||>-3I.S2; 



■''' 1930 



CVCLCID3 CHON 

 P3ridii;e carboxylic acid 



(i lhh:;A/.iN.i I i;i.nAr:\K 



(Vla^a'O.lI/XJI . Ml J 



MarckTralJ, \V. mid Rudzik, K. 3 



-Mm. Pnliii, Per. D. cliem (i(s 36 



l'.Ji»3, ailI-112(J). " ' 



TiMCIII.oitO l>ERIVATlvrC 



cyj.o^Ncij 



Sell, W. J. an.] Dootson, F. W. 

 [•.:3 : ;; - 'rri(lil,)n.])yil.liii«--l-c:,,l.o\ylic 

 ■•icid.J London, J. Chem. 8.m-.. 83 I'lti;; 

 (lOOj; [alistractj. Proc. Cliem S,„- Iq' 

 1!J03, (48). ■ • 



Nicotinic acid 



Isonicotinic acid 



Picolinic acid 



'III.OUII.KS C'j,lf.X('()('| 



Meyer, II. Wjen, .M„nlll... cli..m., 



22, Pim, iioij 117, 



CYCLOIDS CHON 

 7-Oxynicotinic acid 



^-^(•11 (' . (OJ[ 



^'H: Cll.i'. OH 



Kirpal, .\. \\i,.„, M.inlllt.. ( 'hem 



23, !;)():', (i';i;m'|;(, 



^ Oxyisonicotinic acid 

 ^^cii ('. oir 



CII:('II.V'.C'0,II 

 also ^-.\Ml.NdI^0XlC0TINlC ACin. 

 Kirpal, A. Wien, Monllfte t"hem 

 23, P.Hli', ,'.12!) 'J.i; . 



CYCLOID CHO.N 

 a." -Pyrrolidine dicarboxylic acid 



PlA.MlhK. 



Willstatter, P. Pichirrs Ann. {li.-m 

 l..'il./i,u. 326, 1 1103,(1-] 28). 



CYCLOID C-HmON 



X-MetliyI])yrrolidine a carboxylic 

 acid 



(Ili/grinic acit]). 

 CH^.CIiA^^ ,,,^ 



CII,,.-^ C'IT.(C0.,I1) 

 and its derivatives. 

 Willstatter, U. Piehiirs, Ann. t'liem., 

 I..'ip/i,-, 326, l;)ii3, (1-128). 



3 c 2 



