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2005
Carboxylic amides
Q 0490
Investigations into the Enantioselective C-Protonation of Prostereogenic EnoDerived from N,N'-Diisopropyl-2-phenylpropanamide Using Suicide
16- 080 late(s)
C-Based Proton Sources. — Chiral proton sources (I) are used in the enantiomeric
enrichment of amide (II) under the conditions shown. The best results concerning the
both enantiomers are obtained with (Ia) and (Ik).The factors which are responsible for
the enantioselectivity are discussed in detail. — (COUMBARIDES, G. S.; EAMES*,
J.; GHILAGABER, S.; SUGGATE, M. J.; Tetrahedron Lett. 45 (2004) 51, 9469-9474;
Dep. Chem., Queen Mary Westfield Coll., Univ. London,
London E1 4NS, UK; Eng.) — Lindner
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