Patent ID: 8093422
Filing Date: 2012-01-10
Classification: C07B,C07C

Abstract:
1. A method for deuteration of an aromatic ring comprising: reacting the aromatic ring under a neutral condition with a deuterated solvent that is neither deuterium peroxide (D wherein the aromatic ring may have at least one substituent and is at least one selected from the group consisting of benzene, naphthalene, anthracene, phenanthrene, 9,10-dihydroanthracene, naphthacene, pentaphene, pentacene, hexaphene, hexacene, heptaphene, heptacene, trinaphthylene, 1,4-dihydronaphthalene, pyrene, triphenylene, biphenylene, indene, indan, indacene, phenalene, fluorene, acenaphthene, acenaphthylene, fluoranthene, tetraphenylene, coranthrene, acephenanthrylene, aceanthrylene, cyclopentaphenanthrene, chrysene, picene, pleiadene, rubicene, pyranthrene, coronene, perylene, rubrene, dibenzophenanthrene, 1,2-dibenzo-1,3-cycloheptadiene and ovalene, the reaction is carried out at 180° C. or lower, and the only one activated catalyst is activated platinum carbon and is activated with hydrogen or heavy hydrogen gas.