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1,3-dipolar cycloaddition reactions of nitrile oxides with 4,5-dihydrooxazole and 4,5-dihydrothiazole derivatives

✍ Scribed by David J. Miller; Richard M. Scrowston; Peter D. Kennewell; Robert Westwood

Publisher: Elsevier Science
Year: 1992
Tongue: French
Weight: 659 KB
Volume: 48
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)90381-3

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✦ Synopsis

4,5-Dihydro-2-methyloxazole la and 4,5-dihydro-2,4.4-trimethyloxazole lb, which are examples of cyclic imidate esters, undergo 1,fdipolar cycloaddition reactions with benzonitrile N-oxide, to give the appropriate 5,6-dihydro-7a-methyl-3-

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