Keten. Part 17. Addition Reactions of Ketens with N-Phenyl Nitrones
The N-phenyl nitrones (1a), (4b), and (15) react with ketens in two totally different ways.Triphenylnitrone (4b) forms oxidolones (6) whereas (1a) and (15) form oxazolidinones (2) and (17).The differences appear to be caused by steric interactions in (1a) and (15) which distort the nitrone function and prevent the N-phenyl group adopting the conformation necessary for the oxindole-forming pathway.
Hafiz, Mushtag,Taylor, Giles A.
p. 1700 - 1705
(2007/10/02)
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