1910 



711 



1910 



CYCLOID CiH.O^ 



•4 : 6-Dioxy-a-methylcoumarin 

 Dimethyl ether 



,CH : CMe 



C6H2(OMe)2< 



0- CO 



AND ITS BROilO DERIVATIVE 



,CBr : CMe 

 — CO 



C6H2(OMe)2<" 



AND THE CORRESPONDING HYDROXY DERIVA- 

 TIVE. 



Tilden, W. A. and Burrows, H. [4 : 6- 



Diinethoxy-a-methylcoumariii (homoli- 

 mettin) from the action of methyl iodide 

 on the silver salt of limettin, and its /3- 

 bromo- and )3-hydroxv-derivatives. 

 London, J. Chem. Soc, 81, 1902, (508- 

 512). 



CYCLOID CioH,04N2 



sym. Pyromucic acid hydrazine 



i.e. iC,H,0 . CO . NH— )2 



Leimbacli, Robert. J. prakt. Chem. 

 Leipzig, (N.F.), 65, 1902, (20-11). 



CYCLOID Ci3Hir04 



i-Phenyl-6-methyl-i 2-pyrone- 

 5-carboxylic-acid 



E'i-HTL ESTER Ci5Hi404 .USD .3-BROMO 

 DERIVATIVE. 



Buclmer, Ednard und Scliroder, 

 Heinrich. Berlin, Ber. D. chem. Cies., 

 35, 1902, (782-790). 



CYCLOIDS CuHiOi 



a-Naphthochromone carboxylic 

 acid. 



(a-ls aphihapyrone carboxylic acid) 



Kostanecki, St[aiiislaus] von und 

 Froemsdorff, (t. Berlin, Ber. D. chem. 

 Ge.s., 35, 1902, (859-861). 



Naphtharonylacetic acid 



C:oHe<c^O>^ : CH . COjH 



Ruhemann, Siegfried. [Ethyl naph- 

 tharonylacetate and naphtharonylacet- 

 amide.] London, J. Chem. Soc, 81, 1902, 

 (423-426) ; [abstract], Loudon, Proc. 

 Chem. Soc, 18, 1902, (45-46). [1230 

 1320 1330]. 



CYCLOID C,5H2404 



Calameonic Acid C15H24O4 



Thorns, H[ermanu] und Beckstroem, R. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (3195-3200). 



CYCLOID C16H12O4 



Diphenylglycolide 



Q CHPh . CO Q 

 ^^CO . CHPh^^ 



Einliom, Alfred und Mettler, Carl. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (3639-3643). 



CYCLOID C16H10O4 



BoUina, E., KostanecM, St[anislaus] 

 V. und Tambor, J[oseph]. Studien 

 iiber das Brasilin. (Forts.) Berlin, 

 Ber. D. chem, Ges., 35, 1902, (1675- 

 1678). 



CYCLOID C24H,204 



Bisnaphtharonyl 



CjoH6<QQ>C : C<^,Q>Ci(,H5 



Ruhemann, Siegfried. [Bisuaph- 

 tharouvl and its tetranitro-derivatives.] 

 London, J. Chem. Soc, 81, 1902, (423- 

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

 Soc, 18, 1902, (45-46). 



CYCLOIDS WITH FIVE OXYGEN 

 ATOMS. 



CYCLOID CbHsOs 



2.-MethyI-furfurane-l-acet- 

 3-carboxyUc acid 



CO2H . C CMe 



CO2H . CH2 . C . . CH 



AND ITS MONO AND DIETHYL ESTERS 

 AND SALTS. 



Feist, Franz. Berlin. Ber. 1). chem. 

 ties., 35, 1902, (1545-1550). 



