may widen the scope of catalytic transfer hydrogenation chemistry
in general. Mechanistic studies and further applications for the
construction of more complex molecular structures are ongoing.
This work was partially supported by a Grant-in-Aid for
Scientific Research on Innovative Areas ‘‘Advanced Transforma-
tion by Organocatalysts’’ from the Ministry of Education, Culture,
Sports, Science and Technology, Japan, and a Grant-in-Aid for
Scientific Research from the Japan Society for the Promotion of
Science.
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9 We presume that addition of MS 5A accelerates the formation of
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12 It was very difficult to isolate the free amine using the standard
purification methods in our hands.
c
This journal is The Royal Society of Chemistry 2012
Chem. Commun., 2012, 48, 4573–4575 4575