Aldehydes. 



Methyl-vanillin 

 Phe)njl]nj(lr(izo)ic, oxhnc and amine. 

 JiUiusberg, Fn. B., 40, (119)- 



Dioxybenzoic aldehyde 



Methylene ether 

 {Piperonal). 



Mameli e Algana. 49347. Azione 

 Jeirjuduro di maguesioin-opile sul 

 piperonal. 



Phenyloxime. 



Plancher e Piccinini. 50624. 



Tuibromopiperonal 

 (CHaOj : )C6Br3.CHO 



Hoering, P. B., 40, (1096). 



Xitropiperonal 

 CHj : O, : CeH2(N02)CHO [4:3:6:1] 



Mameli. 49345. 49346. Posizione 

 dei gruppi- XO2 ed XHj nei mououitro- 

 ed -amiuoderivati dell'aldeide e del- 

 I'acido piperonilici. 



2, 4-Dioxybenzoic aldehyde 



{Re-wi'djUc aldehyde). 



Mono and dinitro and chloro- 



derivatives. 



Gattermann, L. A., 357, fSl.S . 



2, 5-Dioxybenzoic aldehyde. 



2, o-Dimethoxybenzoic aldehyde 



C6H3(OMe)2.CHO 



Kauffmann v.. Burr, K. B., 40, (2352j. 

 ALDEHYDE C.HiOj 



Dioxyphenylpropionic aldehyde. 



Methylene ether 



CH2 : Oj : C6H3.CH2.CH2.CHO 



[From isosafrole'] 



and its oxime and semiearbazone. 



Balbiano, L. 43930. 



Dimethyl ether 



C6H3rOMe)2.CH2.CH,.CHO 



[From isoeugenole] 



and its semiearhazoyie and oximc. 



Balbiano, L. 43930. 



ALIJEHYDE CnH:n-:o03 



ALDEHYDE CnHuOs 



Phenyldimethylsuccinic semi- 

 aldehyde CHU.CHPh.CMe2.C0,H 



Semicarbazone, oxime and azine. 

 Blaise at Coiirtot. BL. 35, (989j. 



(36 1430 



ALDEHYDES CuHzu-hOj 

 ALDEHYDES C,,H Oi 



1 , 5-Dioxy- 1-naphthaldehyde 



2, 7-Dioxy-i -naphthaldehyde 

 2, 6-Dioxy-i -naphthaldehyde 



Gattermann, L. A., 357, (313j. 



ALDEHYDE CwHzn-zoOs 

 ALDEHYDE CeHisOs 



p-Oxybenzoyl-/'-vinylbenzoic 

 aldehyde. 



DIETHYL ether 



MeO.CeH,.CO.CH : CH.C6H,.CH0 

 Lendenfeld, H. v. il., 27, (969). 



BENZENOID ALDEHYDES WITH 

 FOUR OXYGEN ATOMS. 



ALDEHYDE CHjn-sO^ 



ALDEHYDE C9H10O. 



Trioxyphenylpropionic aldehyde 



Trimetiiyl eitier 



C6H2(OMe)3.CH,.CH2.CHO 



[From asarone] 



and its semicarhazone . 



Balbiano. 43930. 



ALDEHYDES CH.a-isO^ 



ALDEHYDE Ci6Hh04 



p, 2>Dialdehyde from the etkijleue 



etlter of phenol 



and the phenylhydrazone. 



Gattermann, L. A.., 357, (313). 

 ALDEHYDE C1-H16O4 



P, 2J-Dialdehyde from phenol 



tr'unetliylene ether 

 and the dioxime, disemicarbazone and 



AZINE. 



Gattermann, L. A., 357, (313). 



ALDEHYDES C13H1SO4 

 DialdehydeS from ethylene ether of 



0- and m-cresol 

 and the oximes, phexylhydR-UONEs and 



ANILIDES. 



Gattermann, L. A., 357, (313). 



1440 REDLT'ED BENZEXOID 

 AXD CYCLIC-ALS OTHER 

 THAN BEXZEXOID-ALS. 

 Gatilt. Condensation de I'etlier 



oxalacetique avec les aldehydes cycli- 



ques. BL, (ser. 3), 35, (1264) ; (ser. 4), 



1, 1907, (21, 40). 



