
TY  - JOUR
A1  - Barnes, CS 
A1  - Occolowitz, JL 
T1  - The mass spectra of some naturally occurring oxygen heterocycles and related compounds
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1964
VL  - 17
IS  - 9
SP  - 975
EP  - 986
KW  - 
UR  - https://doi.org/10.1071/CH9640975 
N2  - The mass spectra of some naturally occurring and synthetic &#945;- and &#947;-pyrones, benzofurans, and 2,2-dimethylchromenes have been determined. Under electron impact compounds derived from coumarin lose oxygen atoms as CO, usually forming a stable benzofuran ion. 2,2-Dimethylchromenes lose a methyl radical to give a stable benzopyrylium ion, while the most prominent fission of flavanoid compounds occurs by breaking both bonds &#946; to the A ring. 
ER  -

