With no explanation, label each line with "O", "other-chemicalthing", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
amine
or
ammonia
is
not
a
suitable
leaving
group
,
so
the
amine
is
first
either
alkylated
(
as
in
the
Hofmann
elimination
)
or
oxidized
to
an
amine
oxide
(
the
Cope
reaction
)
to
render
a
smooth
elimination
possible
.
The:O
amine:O
or:O
ammonia:O
is:O
not:O
a:O
suitable:O
leaving:O
group:O
,:O
so:O
the:O
amine:O
is:O
first:O
either:O
alkylated:O
(:O
as:O
in:O
the:O
Hofmann:person-scholar
elimination:O
):O
or:O
oxidized:O
to:O
an:O
amine:O
oxide:O
(:O
the:O
Cope:other-chemicalthing
reaction:other-chemicalthing
):O
to:O
render:O
a:O
smooth:O
elimination:O
possible:O
.:O