Cycloids containing oxygen. 



S75 



1910 



3, o'-DlMETHOXYFLiVANOXE. 



Kostanecki, St. von und Widmer, A. 

 Berlin, Eer. D. chem. Ges., 37, 1904, 

 (4159-4161). 



3, 4-DlMETeOXYFLAV.\NOSE 



PiperonaJ, anisulidene and vcratral 

 derivatives. 



Katschalowsky, A. und Kostaueckf, 



St. von. Berlin, Ber. D. chem. Ges., 37, 

 1904, (3109-3172;. 



3, 4'-DlMETlir>XYFL.\.V.\N'0KE. 



Juppen, K. und Kostanecki, St. von. 

 Berlin, Ber. D. chem. Ges., 37, 1904, 

 (4161-4163). 



1, 3, 4'-Trimethoxtflavanose 

 and the isonitroso derivative. 



Kostanecki, St. von, Lampe, V. und 

 Tambor, J. Berlin, Ber. D. chem. Ges., 

 37, 1904, (2096-2099). 



3, 4, 2'-TRIMETnnXVFI.AVAN0NE. 



Cohen, S. S. und Kostanecki, St. von. 

 Berlin, Ber. D. chem. Ges., 37, 1004, 

 (2627-2631). 



3, 4, 3'-Trimet[ioxyflavasone 

 and the isonitroso derivative. 



Kostanecki, St. vou und ScMeifen- 

 baum, O. Berlin, Ber. D. chem. Ges., 

 37, 1904, (2631-263.3). 



1, 3, 3', 4-Tetramethoxyflavaxone 

 and the isonitroso derivative. 



Kostanecki, St. von, Lampe, V. und 

 Tambor, J. Berlin, Ber. D. chem. Ges., 

 37, 1904, (1402-1405). 



s-Dimethylxanthone 

 C6H3Me<^J>CoH3Me 



Fosse, R. et Robyn, A. Paris, Bui. 

 soc. chim., (ser. 3), 31, 1904, (257-264, 

 264-267). 



CYCLOID C, Hi.Oj 



9-Ph eny Ix an thy dr o 1 



UUmann, Fr. und Engi, (i. Berlin, 

 r.er. D. chem. Ges., 37, 1904, (2367- 

 g374). 



Also the ether and salts of phenyl 

 xanthonium. 



Biinzly, H. und Decker, H. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (2931- 



293S). 



CYCLOIDS C H Oi 



Diplleny^^■r^butyl-crotolactones 



_ CHPh.CPh 



()< 



CO - C'(CMe,) 



Japp, F. R. and Maitland, W. [Stable 

 A'-crotolactone derived from y3-phenvl- 

 a-feci.-butyl-)3-benzoylpropionic acid, 

 and its oxidation and the action of 

 potassium hvdroxide on it.] London, J. 

 Chem. Soc', 85, 1904, "(1496-1512); 

 [abstract] London, Proc. Chem. Soc, 20, 

 1901, (205-206). 



CPh : CPh 



^CO — CH(CMe3) 



Japp, F. R. and Maitland, W. [The 

 labile A--crotolactone formed bv the 

 action of acetic anhydride on j3 pheuyl- 

 a-/t'rA.-butyl-;8-benzoyl propionic acid, 

 and the action of sodimn hydroxide and 

 acetic anhvdride on it.] London, J. 

 Chem. Soc., 85, 1904, (1496 1512); 

 [abstract] London, Proc. Chem. Soc, 20, 

 1904, (205-206). 



C(CMe) : CH 

 XO CPh, 



Japp, F. R. and Maitland, \V. [Cro- 

 tolactone derived from oo-diphenyl-;3- 

 trimethacetjdpropionic acid, and its 

 oxidation and the action of potassium 

 hydroxide on it.] London, J. Chem 

 Soc, 85, 1904,(1496-1512); [al)stract] 

 London, Proc. Chem. Soc, 20, 1901, 

 (205-206). 



CYCLOIDS C: H 



Diphenyl-/.■)■^butyl-butyrolactones 

 Q^CHPh.CIlPIi 

 CO — ClKCM.sj 



Japp, F. R. and Maitland, W. [Lac- 

 tone of /87'-diphenyl-a-<cri.-l)utyl-7-hy- 

 dro.xybutyric acid.] London, J. Chem. 

 Soc, 85, 1904, (1496-1512); [alistraci] 

 London, Proc Chem. Soc, 20, 1904, 

 (205-^06). 



