Acetylbenzoyl reacted with dimethylamine hydrochloride
and benzaldehyde in primary isoamyl alcohol under
reflux conditions to form 1,4-diphenvl-3-butene-1,2-dione,
compound I, which melted at 56-57°C.
Compound I formed a quinoxaline derivative, compound
II, which melted at 152.5-153°C.
Compound I was cleaved by hydrogen peroxide to form
cinnamic acid, compound III, which melted...
A source test was conducted to determine the particulate and the
total gaseous hydrocarbon emissions from a gas heated veneer dryer.
Samples were taken on eight separate days from the exhaust stacks
while the dryer was processing Douglas fir veneer. Of the eight days,
three was used to determine the...
Successful crop production depends initially on the availability of high-quality seed. By 2050 global climate change will have influenced crop yields, but will these changes affect seed quality? The present review examines the effects of elevated carbon dioxide (CO₂) and temperature during seed production on three seed quality components: seed...
Problem
The purpose of this investigation was to examine the status of
high school psychology in the state of Oregon by comparing Oregon
high school psychology with (1) general information from the literature,
(2) information obtained from a survey of 130 high school psychology
teachers in the United States, (3)...