Tetrahedron p. 7741 - 7754 (1995)
Update date:2022-08-11
Topics:
Hales, Neil J.
Heaney, Harry
Hollinshead, John H.
Ley, Steven V.
Several new syntheses of 1- and 4-[14C]anisole have been investigated and routes from [14C]cyanide and from 2-[14C]acetone are described which are better than those previously reported. The key step in one of the syntheses was catalytic dehydrogenation of 1-[14C]cyclohexanone to 1-[14C]phenol. Degradation of 5,6,7,8-tetrachloro-3,4-dihydro-1,4-etheno-[14C]naphthalen-2-(1H)-on e (10) prepared from [14C]anisole and tetrachlorobenzene has shown that the key step had proceeded without scrambling of the label.
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