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. Author manuscript; available in PMC: 2008 Sep 15.
Published in final edited form as: J Am Chem Soc. 2007 May 16;129(23):7216–7217. doi: 10.1021/ja069019d

Table 1.

Heteroatom Diels-Alder reaction with Catalyst 6. a

Entry R (R)-BINOL B(OPh)3 % Yield 3 % ee 3 Ref
1 H 100 mol% 100 mol% 68–75 77–86 4a, 4b, this work
2 H 10 mol% 100 mol% 41 15–40 4b, this work
3 H 10 mol% 10 mol% <5 — 4b
4 Ph 100 mol% 100 mol% 0 — 4a, this work
5 Ph 10 mol% 100 mol% 0 — this work
a

All reactions run 0.03 M in 1.