Journal of Organic Chemistry p. 309 - 314 (1986)
Update date:2022-09-26
Topics:
Plate, Ralf
Hermkens, Pedro H. H.
Smits, Jan M. M.
Ottenheijm, Harry C. J.
The cycloaddition chemistry of nitrone 6, obtained by treatment of N-hydroxytryptophan ester 4 with methyl orthoformate, has been evaluated. 1,3-Dipolar cycloadditions with alkenes proceed with high or complete regioselectivity to yield 4'- or 5'-substituted isoxazolidines (Scheme II).Complete C(3)
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