Cycloids contaming oxygen. 



808 



1911 



0< 



CYCLOIDS CtH,„02 



Methylenedimethylbutyrolactone 



CHj.C : Cxi2 

 Noyes. Am., 33, (350). 



Trimethylbutenolide 



CH<[^^!;,>CiIe3 

 Blaise et Courtot. Bl, 35, (989). 



CYCLOIDS C7H12O2 



Trimethylbutyrolactone 



Noyes. Am., 33, (356). 



Bromo derivative 



Also the DIBROMO DERIVATIVE. 



Blaise et Courtot. Bl., 35, (989). 

 a-Methyl-7-ethyl-butyrolactone 



CHEt<^'^^2 • ^'^^'^ 

 CO 



and its hydrazine compocnd. 



Blaise et Luttringer. BL, 33, (816). 



7-PropylbutyroIactone 



.CO 

 and its hydrazine compocsd. 

 Bagard. BL, 1, (307). 



a-lsopropylbutyrolactone 



MeoCH.ClI.CO 



CHo.CH, 



>0 



and ;S-lsopropylbutyrolactone 

 CH.CO^,^ 

 MejCILCHo. CH2 

 and their compounds with hydrazine. 

 Blanc. BL, 33, (897). 



aa-Dimethylvalerolactone 



X'Hj.Cilej 

 ^0 .CO 

 Blaise et Courtot. BL, 35, (580). 



2,3-Dimethylvalerolactone 

 CMe^.CO.O 

 CH2.CH2.CH2 

 Blanc. BL, 33, (879). 



CHMe<^ 



3,3-Dmiethylvalerolactone 



C.Mej.CIIj.CO 

 CII,.CII, . 6 

 Blanc. I'.L, 33, (897). 



CYCLOID C,oH„Ol. 



y3-Campholene-lactone 



^,jj CMe^.CMe.O ^-.^ 

 CHz- CH.CH2 

 Sj-nthesis. 

 Blanc, G. C.H., 146, (77). 



CYCLOIDS C,oH,e02 



a-Methyl-5-butyl-valeroIactone 



Hydrazine compound C10H22O2N2 

 Blaise et Luttringer. BL, 33, (1095). 



a-Methyl-7- amylbutyrolactone 



C5H„.CH<^^^2-C^^^ 

 . CO 



and its hy'drazine compound. 

 Blaise et Luttringer. loe. eit. 

 CYCLOID C12H12O2 



Phenyldimethylbutenolide 

 ATh.CMe2 

 ^0 — CO 

 Blaise et Courtot. BL, 35, (989). 

 CYCLOID C12HHO2 



3-Phenyl-aa-diinethylbutyrolactone 



;3-Bromo derivative 



Blaise et Courtot. BL, 35, (989). 

 CYCLOID CnHB02 



Oxanthone 

 3-XiTRo and 3-CHLORo derivatives. 

 UUmann u. Wagner, C. A., 355, (359). 

 CYCLOID C16H10O2 



3-Phenyl-isocoumarin 



4:-Cyano derivative 

 C H^^CICX) : CPh 



CO-- 



Pyr, J. B., 40, (1201). 



CYCLOID C15H12O2 



P-Benzoylcoumarane 



Eostanecki, Lampe u. MarscliaUc, 

 Ch. B., 40, (3660). 



CH<^ 



