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Therefore, the obtained yield decreases if longer reaction
mischen Industrie for financial support and to Bayer AG for
times are employed.
providing chemicals.
In summary, we have demonstrated the utility of employ-
ing R-aminodiphenylmethane 1 (benzhydrylamine) as a
Supporting Information Available: Characterization
substitute for ammonia in the dimethyltitanocene-catalyzed
data for compounds 4a-4g. This material is available free
hydroamination of alkynes. Using the presented hydroami-
of charge via the Internet at http://pubs.acs.org.
nation-reduction strategy, alkynes can be easily converted
into primary amines. However, the obtained overall yield OL006011E
Org. Lett., Vol. 2, No. 13, 2000 1937
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