
TY  - JOUR
A1  - Dalton, LK 
A1  - Elmes, BC 
A1  - Kolczynski, BV 
T1  - 2-Methylenebutyrolactones. II. Fluorene and diaryl derivatives
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1972
VL  - 25
IS  - 3
SP  - 633
EP  - 638
KW  - 
UR  - https://doi.org/10.1071/CH9720633 
N2  - Ethyl sodiomalonate with fluorene-9-spiro-2'-oxiran gave two carboxybutyro-lactones, (2a) and (3a). Fluorene-9-spiro-4'-(2'-methylenebutyrolactone) (3c) and 2-methylene-4,4-diphenylbutyrolactone (6c) have been prepared by the action of diethylamine and formaldehyde on their respective 2-oarboxybutyrolaotones. The reaction of trimethylsulphonium iodide with 4,4'-diethoxybenzophenone gave 2,2-bis(4'-ethoxypheny1)vinyl alcohol (6a) and not the oxiran. 
ER  -

